org.chronos.chronosphere.internal.ogm.api

Class ChronoSphereGraphFormat

java.lang.Object

org.chronos.chronosphere.internal.ogm.api.ChronoSphereGraphFormat

public class ChronoSphereGraphFormat
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	E_LABEL__BUNDLE_OWNED_EPACKAGE The edge label that marks the connections between an EPackage Bundle and its contained EPackages.
static java.lang.String	E_LABEL__ECLASS_ESUPERTYPE The label for edges that connect an EClass vertex to one of its supertype vertices.
static java.lang.String	E_LABEL__ECLASS_OWNED_EATTRIBUTE The label for edges that connect an EClass vertex to an owned EAttribute vertex.
static java.lang.String	E_LABEL__ECLASS_OWNED_EREFERENCE The label for edges that connect an EClass vertex to an owned EReference vertex.
static java.lang.String	E_LABEL__ECONTAINER The edge label that marks the "eContainer" reference.
static java.lang.String	E_LABEL__EPACKAGE_OWNED_CLASSIFIERS The label for edges that connect an EClass vertex to the owning EPackage vertex.
static java.lang.String	E_LABEL__EPACKAGE_REGISTRY_OWNED_BUNDLE The edge label that marks the connections between the central EPackage Registry and the registered bundles.
static java.lang.String	E_LABEL__ESUBPACKAGE The label for edges that connect an EPackage vertex with the vertices representing the sub-EPackages.
static java.lang.String	E_LABEL_PREFIX__EREFERENCE The common prefix for labels on edges that represent EReference links.
static java.lang.String	E_PROP__ORDER The edge property that contains the ordering for multiplicity-many EReference links.
static java.lang.String	V_ID__EPACKAGE_REGISTRY
static java.lang.String	V_PROP__ECLASS_ID the vertex property that contains the ID of the EClass.
static java.lang.String	V_PROP__ECONTAININGFEATUREID The vertex property that holds the numeric Ecore ID of the EObject.eContainingFeature().
static java.lang.String	V_PROP__KIND The vertex property that contains the vertex kind.
static java.lang.String	V_PROP__NAME The vertex property that contains the name of EPackages, EClasses and EStructuralFeatures.
static java.lang.String	V_PROP__NS_PREFIX The vertex property that contains the namespace prefix of an EPackage .
static java.lang.String	V_PROP__NS_URI The vertex property that contains the namespace URI of an EPackage.
static java.lang.String	V_PROP__XMI_CONTENTS The vertex property that allows a Vertex representing an EPackage to hold the XMI contents of the EPackage.
static java.lang.String	V_PROP_PREFIX__EATTRIBUTE_VALUE The common prefix for vertex properties that represent EAttribute values.
static java.lang.String	VARIABLES__GRAPH_FORMAT_VERSION Graph Variable Name: The version of the graph format used by this instance.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	createEContainerReferenceEdgeLabel() Creates and returns the edge label for the eContainer reference edge.
static java.lang.String	createReferenceEdgeLabel(ChronoEPackageRegistry registry, org.eclipse.emf.ecore.EReference eReference) Creates the label for an Edge that represents an instance of the given EReference.
static org.apache.tinkerpop.gremlin.structure.Vertex	createVertexForEPackage(org.chronos.chronograph.api.structure.ChronoGraph graph, org.eclipse.emf.ecore.EPackage ePackage) Creates a vertex in the given graph for the given EPackage.
static org.apache.tinkerpop.gremlin.structure.Vertex	createVertexForEPackageBundle(org.chronos.chronograph.api.structure.ChronoGraph graph, EPackageBundle bundle) Creates a new Vertex for the given EPackageBundle.
static java.lang.String	createVertexPropertyKey(ChronoEPackageRegistry registry, org.eclipse.emf.ecore.EAttribute eAttribute) Creates the Property key for a Vertex that needs to store a value for the given EAttribute.
static java.lang.Object	getEAttributeValue(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex vertex, org.eclipse.emf.ecore.EAttribute attribute) Returns the value for the given multiplicity-one attribute in the given Vertex.
static java.util.Collection<?>	getEAttributeValues(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex vertex, org.eclipse.emf.ecore.EAttribute attribute) Returns the values for the given multiplicity-many attribute in the given Vertex.
static org.eclipse.emf.ecore.EClass	getEClassForEObjectVertex(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex vertex) Returns the EClass that acts as the classifier for the EObject represented by the given Vertex.
static org.apache.tinkerpop.gremlin.structure.Vertex	getEContainer(org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex) Returns the vertex representing the EObject that acts as the eContainer() of the given EObject.
static java.lang.Integer	getEContainingFeatureId(org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex) Returns the numeric Ecore ID of the eContainingFeature on the EObject represented by the given vertex.
static java.util.Set<org.apache.tinkerpop.gremlin.structure.Vertex>	getEpackageBundleVertices(org.chronos.chronograph.api.structure.ChronoGraph graph) Returns the set of vertices that represent EPackageBundles.
static org.apache.tinkerpop.gremlin.structure.Vertex	getEPackageVertexForEClassVertex(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex) Returns the Vertex that represents the EPackage that contains the EClass represented by the given vertex.
static int	getEReferenceEdgeOrder(org.apache.tinkerpop.gremlin.structure.Edge edge) Returns the order property of the given Edge that represents an EReference link.
static org.apache.tinkerpop.gremlin.structure.Vertex	getEReferenceTarget(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex, org.eclipse.emf.ecore.EReference eReference) Returns the single target of the given EReference on the given EObject vertex.
static java.util.List<org.apache.tinkerpop.gremlin.structure.Vertex>	getEReferenceTargets(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex, org.eclipse.emf.ecore.EReference eReference) Returns the targets of the given EReference on the given EObject vertex.
static java.lang.String	getNsPrefix(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex) Returns the namespace Prefix stored in the given EPackage vertex.
static java.lang.String	getNsURI(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex) Returns the namespace URI stored in the given EPackage vertex.
static org.apache.tinkerpop.gremlin.structure.Vertex	getRootEPackageVertexForEClassVertex(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex) Returns the Vertex that represents the root of the EPackage hierarchy that contains the EClass represented by the given vertex.
static org.apache.tinkerpop.gremlin.structure.Vertex	getRootEPackageVertexForEPackageVertex(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex) Returns the Vertex that represents the root of the EPackage hierarchy that contains the EPackage represented by the given vertex.
static org.apache.tinkerpop.gremlin.structure.Vertex	getVertexForEAttributeRaw(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex, org.eclipse.emf.ecore.EAttribute eAttribute) Returns the Vertex that represents the given EAttribute and is attached to the given EClass vertex.
static org.apache.tinkerpop.gremlin.structure.Vertex	getVertexForEClass(ChronoEPackageRegistry registry, org.chronos.chronograph.api.structure.ChronoGraph graph, org.eclipse.emf.ecore.EClass eClass) Returns the Vertex that represents the given EClass in the given graph.
static org.apache.tinkerpop.gremlin.structure.Vertex	getVertexForEClassRaw(org.chronos.chronograph.api.structure.ChronoGraph graph, org.eclipse.emf.ecore.EClass eClass) Attempts to find the Vertex that represents the given EClass in the graph.
static org.apache.tinkerpop.gremlin.structure.Vertex	getVertexForEObject(org.chronos.chronograph.api.structure.ChronoGraph graph, ChronoEObject eObject) Returns the vertex from the given graph that represents the given EObject.
static org.apache.tinkerpop.gremlin.structure.Vertex	getVertexForEObject(org.chronos.chronograph.api.structure.ChronoGraph graph, java.lang.String eObjectId) Returns the Vertex in the given ChronoGraph that represents the ChronoEObject with the given ID.
static org.apache.tinkerpop.gremlin.structure.Vertex	getVertexForEPackage(org.chronos.chronograph.api.structure.ChronoGraph graph, org.eclipse.emf.ecore.EPackage ePackage) Returns the Vertex that represents the given EPackage.
static org.apache.tinkerpop.gremlin.structure.Vertex	getVertexForEReferenceRaw(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex, org.eclipse.emf.ecore.EReference eReference) Returns the Vertex that represents the given EReference and is attached to the given EClass vertex.
static VertexKind	getVertexKind(org.apache.tinkerpop.gremlin.structure.Vertex vertex) Returns the kind of the vertex.
static java.lang.String	getVertexName(org.apache.tinkerpop.gremlin.structure.Vertex vertex) Returns the name of the given vertex.
static java.lang.String	getXMIContents(org.apache.tinkerpop.gremlin.structure.Vertex vertex) Returns the XMI contents stored in the given Vertex.
static org.apache.tinkerpop.gremlin.structure.Property<?>	setEAttributeValue(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex vertex, org.eclipse.emf.ecore.EAttribute attribute, java.lang.Object value) Sets the given multiplicity-one attribute value in the given Vertex.
static org.apache.tinkerpop.gremlin.structure.Property<?>	setEAttributeValues(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex vertex, org.eclipse.emf.ecore.EAttribute attribute, java.util.Collection<?> values) Sets the given multiplicity-many attribute value in the given Vertex.
static void	setEClassForEObjectVertex(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex vertex, org.eclipse.emf.ecore.EClass eClass) Sets the EClass for the EObject represented by the given vertex.
static void	setEContainer(org.apache.tinkerpop.gremlin.structure.Vertex sourceVertex, org.apache.tinkerpop.gremlin.structure.Vertex targetVertex) Sets the eContainer() of the EObject represented by the given source vertex to the EObject represented by the given target vertex.
static void	setEContainingFeatureId(org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex, java.lang.Integer containingFeatureId) Sets the numeric Ecore ID of the eContainingFeature on the EObject represented by the given vertex.
static void	setEReferenceEdgeOrder(org.apache.tinkerpop.gremlin.structure.Edge edge, int orderIndex) Sets the order property of the given Edge that represents an EReference link to the given value.
static void	setEReferenceTarget(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex, org.eclipse.emf.ecore.EReference eReference, org.apache.tinkerpop.gremlin.structure.Vertex target) Sets the target of the given EReference on the given EObject vertex to the given target vertex.
static void	setEReferenceTargets(ChronoEPackageRegistry registry, org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex, org.eclipse.emf.ecore.EReference eReference, java.util.List<org.apache.tinkerpop.gremlin.structure.Vertex> targets) Sets the target of the given EReference on the given EObject vertex to the given target vertices.
static void	setNsPrefix(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex, java.lang.String nsPrefix) Sets the namespace prefix for the given EPackage vertex.
static void	setNsURI(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex, java.lang.String nsURI) Sets the namespace URI for the given EPackage vertex.
static void	setVertexKind(org.apache.tinkerpop.gremlin.structure.Vertex vertex, VertexKind kind) Sets the kind of the vertex.
static void	setVertexName(org.apache.tinkerpop.gremlin.structure.Vertex vertex, java.lang.String name) Sets the name of the given vertex to the given value.
static void	setXMIContents(org.apache.tinkerpop.gremlin.structure.Vertex vertex, java.lang.String xmiContents) Sets the XMI contents of the given Vertex.
static void	updateEPackageBundleVertex(org.apache.tinkerpop.gremlin.structure.Vertex bundleVertex, EPackageBundle bundle) Updates the contents of the Vertex to reflect the given EPackageBundle.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

V_PROP__KIND

public static final java.lang.String V_PROP__KIND

The vertex property that contains the vertex kind. Value is one of the VertexKind literals.

See Also:

Constant Field Values

V_PROP__ECLASS_ID

public static final java.lang.String V_PROP__ECLASS_ID

the vertex property that contains the ID of the EClass.

See Also:

Constant Field Values

V_PROP_PREFIX__EATTRIBUTE_VALUE

public static final java.lang.String V_PROP_PREFIX__EATTRIBUTE_VALUE

The common prefix for vertex properties that represent EAttribute values.

See Also:

Constant Field Values

V_PROP__NS_URI

public static final java.lang.String V_PROP__NS_URI

The vertex property that contains the namespace URI of an EPackage.

See Also:

Constant Field Values

V_PROP__NS_PREFIX

public static final java.lang.String V_PROP__NS_PREFIX

The vertex property that contains the namespace prefix of an EPackage .

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Constant Field Values

V_PROP__NAME

public static final java.lang.String V_PROP__NAME

The vertex property that contains the name of EPackages, EClasses and EStructuralFeatures.

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Constant Field Values

V_PROP__XMI_CONTENTS

public static final java.lang.String V_PROP__XMI_CONTENTS

The vertex property that allows a Vertex representing an EPackage to hold the XMI contents of the EPackage.

See Also:

Constant Field Values

V_PROP__ECONTAININGFEATUREID

public static final java.lang.String V_PROP__ECONTAININGFEATUREID

The vertex property that holds the numeric Ecore ID of the EObject.eContainingFeature().

See Also:

Constant Field Values

E_LABEL__EPACKAGE_REGISTRY_OWNED_BUNDLE

public static final java.lang.String E_LABEL__EPACKAGE_REGISTRY_OWNED_BUNDLE

The edge label that marks the connections between the central EPackage Registry and the registered bundles.

See Also:

Constant Field Values

E_LABEL__BUNDLE_OWNED_EPACKAGE

public static final java.lang.String E_LABEL__BUNDLE_OWNED_EPACKAGE

The edge label that marks the connections between an EPackage Bundle and its contained EPackages.

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Constant Field Values

E_LABEL__ECONTAINER

public static final java.lang.String E_LABEL__ECONTAINER

The edge label that marks the "eContainer" reference.

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Constant Field Values

E_LABEL__EPACKAGE_OWNED_CLASSIFIERS

public static final java.lang.String E_LABEL__EPACKAGE_OWNED_CLASSIFIERS

The label for edges that connect an EClass vertex to the owning EPackage vertex.

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Constant Field Values

E_LABEL__ECLASS_OWNED_EATTRIBUTE

public static final java.lang.String E_LABEL__ECLASS_OWNED_EATTRIBUTE

The label for edges that connect an EClass vertex to an owned EAttribute vertex.

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Constant Field Values

E_LABEL__ECLASS_OWNED_EREFERENCE

public static final java.lang.String E_LABEL__ECLASS_OWNED_EREFERENCE

The label for edges that connect an EClass vertex to an owned EReference vertex.

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Constant Field Values

E_LABEL__ECLASS_ESUPERTYPE

public static final java.lang.String E_LABEL__ECLASS_ESUPERTYPE

The label for edges that connect an EClass vertex to one of its supertype vertices.

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Constant Field Values

E_LABEL__ESUBPACKAGE

public static final java.lang.String E_LABEL__ESUBPACKAGE

The label for edges that connect an EPackage vertex with the vertices representing the sub-EPackages.

See Also:

Constant Field Values

E_LABEL_PREFIX__EREFERENCE

public static final java.lang.String E_LABEL_PREFIX__EREFERENCE

The common prefix for labels on edges that represent EReference links.

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Constant Field Values

E_PROP__ORDER

public static final java.lang.String E_PROP__ORDER

The edge property that contains the ordering for multiplicity-many EReference links.

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Constant Field Values

V_ID__EPACKAGE_REGISTRY

public static final java.lang.String V_ID__EPACKAGE_REGISTRY

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Constant Field Values

VARIABLES__GRAPH_FORMAT_VERSION

public static final java.lang.String VARIABLES__GRAPH_FORMAT_VERSION

Graph Variable Name: The version of the graph format used by this instance.

See Also:

Constant Field Values

Method Detail

getVertexKind

public static VertexKind getVertexKind(org.apache.tinkerpop.gremlin.structure.Vertex vertex)

Returns the kind of the vertex.

Parameters:

vertex - The vertex to check. Must not be null.

Returns:

The vertex kind, or null if no kind is set.

setVertexKind

public static void setVertexKind(org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                 VertexKind kind)

Sets the kind of the vertex.

Parameters:

vertex - The vertex to assign the new vertex kind to. Must not be null.

kind - The vertex kind to assign to the vertex. Must not be null.

createVertexPropertyKey

public static java.lang.String createVertexPropertyKey(ChronoEPackageRegistry registry,
                                                       org.eclipse.emf.ecore.EAttribute eAttribute)

Creates the Property key for a Vertex that needs to store a value for the given EAttribute.

Parameters:

registry - The ChronoEPackageRegistry to use. Must not be null.

eAttribute - The EAttribute to generate the property key for. Must not be null.

Returns:

The property key. Never null.

createReferenceEdgeLabel

public static java.lang.String createReferenceEdgeLabel(ChronoEPackageRegistry registry,
                                                        org.eclipse.emf.ecore.EReference eReference)

Creates the label for an Edge that represents an instance of the given EReference.

Parameters:

registry - The ChronoEPackageRegistry to use. Must not be null.

eReference - The EReference to generate the edge label for. Must not be null.

Returns:

The edge label. Never null.

createEContainerReferenceEdgeLabel

public static java.lang.String createEContainerReferenceEdgeLabel()

Creates and returns the edge label for the eContainer reference edge.

Returns:

The edge label for the eContainer reference edge. Never null.

setEAttributeValues

public static org.apache.tinkerpop.gremlin.structure.Property<?> setEAttributeValues(ChronoEPackageRegistry registry,
                                                                                     org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                                                                     org.eclipse.emf.ecore.EAttribute attribute,
                                                                                     java.util.Collection<?> values)

Sets the given multiplicity-many attribute value in the given Vertex.

Parameters:

registry - The ChronoEPackageRegistry to use. Must not be null.

vertex - The vertex to write the values to. Must not be null.

attribute - The attribute to write. Must not be null, must be many-valued.

values - The collection of values to assign to the vertex property. May be null or empty to clear the property.

Returns:

The modified property, or null if the property was cleared.

getEAttributeValues

public static java.util.Collection<?> getEAttributeValues(ChronoEPackageRegistry registry,
                                                          org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                                          org.eclipse.emf.ecore.EAttribute attribute)

Returns the values for the given multiplicity-many attribute in the given Vertex.

Parameters:

registry - The ChronoEPackageRegistry to use. Must not be null.

vertex - The vertex to read the value from. Must not be null.

attribute - The attribute to read from the vertex. Must not be null, must be many-valued.

Returns:

The collection of values assigned to the vertex for the given attribute. May be empty, but never null.

setEAttributeValue

public static org.apache.tinkerpop.gremlin.structure.Property<?> setEAttributeValue(ChronoEPackageRegistry registry,
                                                                                    org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                                                                    org.eclipse.emf.ecore.EAttribute attribute,
                                                                                    java.lang.Object value)

Sets the given multiplicity-one attribute value in the given Vertex.

Parameters:

registry - The ChronoEPackageRegistry to use. Must not be null.

vertex - The vertex to write the value to. Must not be null.

attribute - The attribute to write. Must not be null, must not be many-valued.

value - The value to assign to the vertex property. May be null or empty to clear the property.

Returns:

The modified property, or null if the property was cleared.

getEAttributeValue

public static java.lang.Object getEAttributeValue(ChronoEPackageRegistry registry,
                                                  org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                                  org.eclipse.emf.ecore.EAttribute attribute)

Returns the value for the given multiplicity-one attribute in the given Vertex.

Parameters:

registry - The ChronoEPackageRegistry to use. Must not be null.

vertex - The vertex to read the value from. Must not be null.

attribute - The attribute to read from the vertex. Must not be null, must not be many-valued.

Returns:

The value assigned to the vertex for the given attribute. May be null if no value is set on the vertex for the given attribute.

setEReferenceEdgeOrder

public static void setEReferenceEdgeOrder(org.apache.tinkerpop.gremlin.structure.Edge edge,
                                          int orderIndex)

Sets the order property of the given Edge that represents an EReference link to the given value.

Parameters:

edge - The edge to set the order index for. Must not be null.

orderIndex - The oder index to set. Must not be negative.

getEReferenceEdgeOrder

public static int getEReferenceEdgeOrder(org.apache.tinkerpop.gremlin.structure.Edge edge)

Returns the order property of the given Edge that represents an EReference link.

Parameters:

edge - The edge to get the order property for. Must not be null.

Returns:

The order, as an integer. If no order is set, -1 will be returned.

getEReferenceTarget

public static org.apache.tinkerpop.gremlin.structure.Vertex getEReferenceTarget(ChronoEPackageRegistry registry,
                                                                                org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex,
                                                                                org.eclipse.emf.ecore.EReference eReference)

Returns the single target of the given EReference on the given EObject vertex.

Parameters:

registry - The package to work with. Must not be null.

eObjectVertex - The vertex that represents the EObject to get the reference target for. Must not be null.

eReference - The EReference to get the target for. Must not be null. Must not be many-valued.

Returns:

The target vertex, or null if none is set.

getEReferenceTargets

public static java.util.List<org.apache.tinkerpop.gremlin.structure.Vertex> getEReferenceTargets(ChronoEPackageRegistry registry,
                                                                                                 org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex,
                                                                                                 org.eclipse.emf.ecore.EReference eReference)

Returns the targets of the given EReference on the given EObject vertex.

Parameters:

registry - The package to work with. Must not be null.

eObjectVertex - The vertex that represents the EObject to get the reference target for. Must not be null.

eReference - The EReference to get the target for. Must not be null. Must be many-valued.

Returns:

The target vertices (in the correct order), or null if none is set.

setEReferenceTarget

public static void setEReferenceTarget(ChronoEPackageRegistry registry,
                                       org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex,
                                       org.eclipse.emf.ecore.EReference eReference,
                                       org.apache.tinkerpop.gremlin.structure.Vertex target)

Sets the target of the given EReference on the given EObject vertex to the given target vertex.

Parameters:

registry - The package to work with. Must not be null.

eObjectVertex - The vertex representing the EObject to change the reference target for (i.e. the reference owner). Must not be null.

eReference - The EReference to set. Must not be null, must not be many-valued.

target - The vertex representing the target EObject. May be null to clear the reference.

setEReferenceTargets

public static void setEReferenceTargets(ChronoEPackageRegistry registry,
                                        org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex,
                                        org.eclipse.emf.ecore.EReference eReference,
                                        java.util.List<org.apache.tinkerpop.gremlin.structure.Vertex> targets)

Sets the target of the given EReference on the given EObject vertex to the given target vertices.

Parameters:

registry - The package to work with. Must not be null.

eObjectVertex - The vertex representing the EObject to change the reference target for (i.e. the reference owner). Must not be null.

eReference - The EReference to set. Must not be null, must be many-valued.

targets - The vertices representing the target EObjects. May be null or empty to clear the reference.

getVertexForEClass

public static org.apache.tinkerpop.gremlin.structure.Vertex getVertexForEClass(ChronoEPackageRegistry registry,
                                                                               org.chronos.chronograph.api.structure.ChronoGraph graph,
                                                                               org.eclipse.emf.ecore.EClass eClass)

Returns the Vertex that represents the given EClass in the given graph.

Parameters:

registry - The ChronoEPackageRegistry to use. Must not be null.

graph - The graph to search in. Must not be null.

eClass - The EClass to get the vertex for. Must not be null.

Returns:

The vertex that represents the given EClass, or null if there is no such vertex.

getVertexForEClassRaw

public static org.apache.tinkerpop.gremlin.structure.Vertex getVertexForEClassRaw(org.chronos.chronograph.api.structure.ChronoGraph graph,
                                                                                  org.eclipse.emf.ecore.EClass eClass)

Attempts to find the Vertex that represents the given EClass in the graph.

In contrast to getVertexForEClass(ChronoEPackageRegistry, ChronoGraph, EClass), this method does not rely on IDs, but rather on the graph structure itself and on the name of the EClass.

This method should not be used outside of a package initialization process!

Parameters:

graph - The graph to search in. Must not be null.

eClass - The EClass to search the vertex for. Must not be null.

Returns:

The vertex that represents the given EClass, or null if no vertex is found.

getVertexForEObject

public static org.apache.tinkerpop.gremlin.structure.Vertex getVertexForEObject(org.chronos.chronograph.api.structure.ChronoGraph graph,
                                                                                ChronoEObject eObject)

Returns the vertex from the given graph that represents the given EObject.

Parameters:

graph - The graph to search in. Must not be null.

eObject - The EObject to search the vertex for. Must not be null.

Returns:

The vertex for the EObject, or null if none was found.

getVertexForEObject

public static org.apache.tinkerpop.gremlin.structure.Vertex getVertexForEObject(org.chronos.chronograph.api.structure.ChronoGraph graph,
                                                                                java.lang.String eObjectId)

Returns the Vertex in the given ChronoGraph that represents the ChronoEObject with the given ID.

Parameters:

graph - The graph to search in. Must not be null.

eObjectId - The ID of the ChronoEObject to search for. Must not be null.

Returns:

The vertex, or null if there is no ChronoEObject in the graph with the given ID.

getVertexForEPackage

public static org.apache.tinkerpop.gremlin.structure.Vertex getVertexForEPackage(org.chronos.chronograph.api.structure.ChronoGraph graph,
                                                                                 org.eclipse.emf.ecore.EPackage ePackage)

Returns the Vertex that represents the given EPackage.

Parameters:

graph - The graph to search in. Must not be null.

ePackage - The ePackage to get the vertex for. Must not be null.

Returns:

The vertex, or null if none exists.

createVertexForEPackage

public static org.apache.tinkerpop.gremlin.structure.Vertex createVertexForEPackage(org.chronos.chronograph.api.structure.ChronoGraph graph,
                                                                                    org.eclipse.emf.ecore.EPackage ePackage)

Creates a vertex in the given graph for the given EPackage.

This method will also create the corresponding edges and set the appropriate vertex properties on the newly created vertex.

Parameters:

graph - The graph to work on. Must not be null.

ePackage - The EPackage to create the vertex for. Must not be null. Must not exist in the graph yet.

Returns:

The newly created vertex. Never null.

Throws:

java.lang.IllegalStateException - Thrown if there is already a vertex in the graph for the given EPackage.

createVertexForEPackageBundle

public static org.apache.tinkerpop.gremlin.structure.Vertex createVertexForEPackageBundle(org.chronos.chronograph.api.structure.ChronoGraph graph,
                                                                                          EPackageBundle bundle)

Creates a new Vertex for the given EPackageBundle.

Parameters:

graph - The graph to modify. Must not be null.

bundle - The EPackageBundle to represent in the graph. Must not be null.

Returns:

The newly created vertex representing the bundle. Never null.

updateEPackageBundleVertex

public static void updateEPackageBundleVertex(org.apache.tinkerpop.gremlin.structure.Vertex bundleVertex,
                                              EPackageBundle bundle)

Updates the contents of the Vertex to reflect the given EPackageBundle.

Parameters:

bundleVertex - The bundle vertex to update. Must not be null.

bundle - The EPackageBundle to get the data from. Must not be null.

setVertexName

public static void setVertexName(org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                 java.lang.String name)

Sets the name of the given vertex to the given value.

Please note that not all vertices are meant to have a name. In particular, regular EObject vertices don't use this property. It is meant primarily for meta-elements, such as vertices that represent EPackages, EClasses, EAttributes and EReferences.

Parameters:

vertex - The vertex to set the name for. Must not be null.

name - The name to assign to the vertex. May be null to clear the name.

setNsURI

public static void setNsURI(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex,
                            java.lang.String nsURI)

Sets the namespace URI for the given EPackage vertex.

Parameters:

ePackageVertex - The vertex to modify. Must not be null.

nsURI - The namespace URI to set. May be null to clear the namespace URI property.

getNsURI

public static java.lang.String getNsURI(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex)

Returns the namespace URI stored in the given EPackage vertex.

Parameters:

ePackageVertex - The vertex to read the namespace URI from. Must not be null.

Returns:

The namespace URI, or null if none is set.

setNsPrefix

public static void setNsPrefix(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex,
                               java.lang.String nsPrefix)

Sets the namespace prefix for the given EPackage vertex.

Parameters:

ePackageVertex - The vertex to modify. Must not be null.

nsPrefix - The namespace prefix to set. May be null to clear the namespace Prefix property.

getNsPrefix

public static java.lang.String getNsPrefix(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex)

Returns the namespace Prefix stored in the given EPackage vertex.

Parameters:

ePackageVertex - The vertex to read the namespace Prefix from. Must not be null.

Returns:

The namespace Prefix, or null if none is set.

getVertexName

public static java.lang.String getVertexName(org.apache.tinkerpop.gremlin.structure.Vertex vertex)

Returns the name of the given vertex.

Please note that not all vertices are meant to have a name. In particular, regular EObject vertices don't use this property. It is meant primarily for meta-elements, such as vertices that represent EPackages, EClasses, EAttributes and EReferences.

Parameters:

vertex - The vertex to return the name property for. Must not be null.

Returns:

The name, or null if the given vertex doesn't have a name assigned.

setXMIContents

public static void setXMIContents(org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                  java.lang.String xmiContents)

Sets the XMI contents of the given Vertex.

Please note that this is intended exclusively for vertices that represent EPackages.

Parameters:

vertex - The vertex to set the XMI contents for. Must not be null.

xmiContents - The XMI contents to store in the vertex. May be null to clear.

getXMIContents

public static java.lang.String getXMIContents(org.apache.tinkerpop.gremlin.structure.Vertex vertex)

Returns the XMI contents stored in the given Vertex.

Please note that this is intended exclusively for vertices that represent EPackages.

Parameters:

vertex - The vertex to get the XMI data from. Must not be null.

Returns:

The XMI data stored in the vertex, or null if the vertex contains no XMI data.

getVertexForEAttributeRaw

public static org.apache.tinkerpop.gremlin.structure.Vertex getVertexForEAttributeRaw(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex,
                                                                                      org.eclipse.emf.ecore.EAttribute eAttribute)

Returns the Vertex that represents the given EAttribute and is attached to the given EClass vertex.

Parameters:

eClassVertex - The vertex that represents the EClass that owns the EAttribute. Must not be null.

eAttribute - The EAttribute to get the vertex for. Must not be null.

Returns:

The vertex that represents the given EAttribute within the given EClass. May be null if no vertex for the given EAttribute was found.

getVertexForEReferenceRaw

public static org.apache.tinkerpop.gremlin.structure.Vertex getVertexForEReferenceRaw(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex,
                                                                                      org.eclipse.emf.ecore.EReference eReference)

Returns the Vertex that represents the given EReference and is attached to the given EClass vertex.

Parameters:

eClassVertex - The vertex that represents the EClass that owns the EAttribute. Must not be null.

eReference - The EReference to get the vertex for. Must not be null.

Returns:

The vertex that represents the given EReference within the given EClass. May be null if no vertex for the given EReference was found.

getEClassForEObjectVertex

public static org.eclipse.emf.ecore.EClass getEClassForEObjectVertex(ChronoEPackageRegistry registry,
                                                                     org.apache.tinkerpop.gremlin.structure.Vertex vertex)

Returns the EClass that acts as the classifier for the EObject represented by the given Vertex.

Parameters:

registry - The package to work with. Must not be null.

vertex - The vertex representing the EObject to get the EClass for. Must not be null.

Returns:

The EClass, or null if none is found.

setEClassForEObjectVertex

public static void setEClassForEObjectVertex(ChronoEPackageRegistry registry,
                                             org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                                             org.eclipse.emf.ecore.EClass eClass)

Sets the EClass for the EObject represented by the given vertex.

Parameters:

registry - The package to work with. Must not be null.

vertex - The vertex representing the EObject to set the EClass for. Must not be null.

eClass - The eClass to use. Must be part of the given package. Must not be null.

setEContainer

public static void setEContainer(org.apache.tinkerpop.gremlin.structure.Vertex sourceVertex,
                                 org.apache.tinkerpop.gremlin.structure.Vertex targetVertex)

Sets the eContainer() of the EObject represented by the given source vertex to the EObject represented by the given target vertex.

Parameters:

sourceVertex - The source vertex that should be relocated to the new container. Must not be null.

targetVertex - The target vertex that should act as the new container. May be null to clear the eContainer of the source vertex.

getEContainer

public static org.apache.tinkerpop.gremlin.structure.Vertex getEContainer(org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex)

Returns the vertex representing the EObject that acts as the eContainer() of the given EObject.

Parameters:

eObjectVertex - The vertex that represents the eObject to get the eContainer for. Must not be null.

Returns:

The vertex representing the EObject that is the eContainer of the given eObject. May be null if no eContainer is present.

setEContainingFeatureId

public static void setEContainingFeatureId(org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex,
                                           java.lang.Integer containingFeatureId)

Sets the numeric Ecore ID of the eContainingFeature on the EObject represented by the given vertex.

Parameters:

eObjectVertex - The vertex representing the EObject where the eContainingFeatureID should be changed. Must not be null.

containingFeatureId - The new eContainingFeatureID to use. May be null to clear it.

getEContainingFeatureId

public static java.lang.Integer getEContainingFeatureId(org.apache.tinkerpop.gremlin.structure.Vertex eObjectVertex)

Returns the numeric Ecore ID of the eContainingFeature on the EObject represented by the given vertex.

Parameters:

eObjectVertex - The vertex representing the EObject where the eContainingFeatureID should be retrieved. Must not be null.

Returns:

The eContainingFeatureID (which may be negative according to the Ecore standard), or null if no eContainingFeatureID is set.

getRootEPackageVertexForEClassVertex

public static org.apache.tinkerpop.gremlin.structure.Vertex getRootEPackageVertexForEClassVertex(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex)

Returns the Vertex that represents the root of the EPackage hierarchy that contains the EClass represented by the given vertex.

Parameters:

eClassVertex - The vertex that represents the EClass. Must not be null.

Returns:

The vertex that represents the root EPackage that contains the given EPackage vertex. Never null.

getRootEPackageVertexForEPackageVertex

public static org.apache.tinkerpop.gremlin.structure.Vertex getRootEPackageVertexForEPackageVertex(org.apache.tinkerpop.gremlin.structure.Vertex ePackageVertex)

Returns the Vertex that represents the root of the EPackage hierarchy that contains the EPackage represented by the given vertex.

Parameters:

ePackageVertex - The vertex that represents the EPackage. Must not be null.

Returns:

The vertex that represents the root EPackage that contains the given EPackage vertex. Never null.

getEPackageVertexForEClassVertex

public static org.apache.tinkerpop.gremlin.structure.Vertex getEPackageVertexForEClassVertex(org.apache.tinkerpop.gremlin.structure.Vertex eClassVertex)

Returns the Vertex that represents the EPackage that contains the EClass represented by the given vertex.

Parameters:

eClassVertex - The vertex that represents the EClass. Must not be null.

Returns:

The vertex that represents the root EPackage that contains the given EClass vertex. Never null.

getEpackageBundleVertices

public static java.util.Set<org.apache.tinkerpop.gremlin.structure.Vertex> getEpackageBundleVertices(org.chronos.chronograph.api.structure.ChronoGraph graph)

Returns the set of vertices that represent EPackageBundles.

Parameters:

graph - The graph to search in. Must not be null.

Returns:

The set of vertices that represent the mapped bundles. May be empty, but never null.