org.chronos.chronosphere.impl.transaction

Class ChronoSphereTransactionImpl

java.lang.Object

org.chronos.chronosphere.impl.transaction.ChronoSphereTransactionImpl

All Implemented Interfaces:

java.lang.AutoCloseable, ChronoSphereTransaction, ChronoSphereTransactionInternal

public class ChronoSphereTransactionImpl
extends java.lang.Object
implements ChronoSphereTransactionInternal

Constructor Summary

Constructors

Constructor and Description
ChronoSphereTransactionImpl(ChronoSphereInternal owningSphere, org.chronos.chronograph.api.structure.ChronoGraph txGraph)

Method Summary

Modifier and Type	Method and Description
void	attach(org.eclipse.emf.ecore.EObject eObject)
void	attach(java.lang.Iterable<? extends org.eclipse.emf.ecore.EObject> eObjects)
void	attach(java.util.Iterator<? extends org.eclipse.emf.ecore.EObject> eObjects)
void	batchInsert(java.util.Iterator<org.eclipse.emf.ecore.EObject> model)
void	close()
void	commit()
void	commit(java.lang.Object commitMetadata)
void	commitIncremental()
org.eclipse.emf.ecore.EObject	createAndAttach(org.eclipse.emf.ecore.EClass eClass)
org.eclipse.emf.ecore.EObject	createAndAttach(org.eclipse.emf.ecore.EClass eClass, java.lang.String eObjectID)
void	delete(org.eclipse.emf.ecore.EObject eObject)
void	delete(java.util.Iterator<? extends org.eclipse.emf.ecore.EObject> eObjects, boolean cascadeDeletionToEContents)
QueryStepBuilderStarter	find()
SphereBranch	getBranch()
org.eclipse.emf.ecore.EAttribute	getEAttributeByQualifiedName(java.lang.String qualifiedName)
org.eclipse.emf.ecore.EClass	getEClassByQualifiedName(java.lang.String qualifiedName)
org.eclipse.emf.ecore.EClass	getEClassBySimpleName(java.lang.String simpleName)
org.eclipse.emf.ecore.EClassifier	getEClassifierByQualifiedName(java.lang.String qualifiedName)
org.eclipse.emf.ecore.EClassifier	getEClassifierBySimpleName(java.lang.String simpleName)
java.util.Map<java.lang.String,ChronoEObject>	getEObjectById(java.lang.Iterable<java.lang.String> eObjectIDs) Retrieves the ChronoEObjects for the given unique identifiers.
java.util.Map<java.lang.String,ChronoEObject>	getEObjectById(java.util.Iterator<java.lang.String> eObjectIDs) Retrieves the ChronoEObjects for the given unique identifiers.
ChronoEObject	getEObjectById(java.lang.String eObjectID) Retrieves a single ChronoEObject by its unique identifier.
java.util.Iterator<java.lang.Long>	getEObjectHistory(org.eclipse.emf.ecore.EObject eObject) Returns an iterator over the change timestamps in the history of the given EObject.
java.util.Iterator<org.apache.commons.lang3.tuple.Pair<java.lang.Long,java.lang.String>>	getEObjectModificationsBetween(long timestampLowerBound, long timestampUpperBound) Returns an iterator over all EObject modifications that have taken place in the given time range.
org.eclipse.emf.ecore.EPackage	getEPackageByNsURI(java.lang.String namespaceURI)
org.eclipse.emf.ecore.EPackage	getEPackageByQualifiedName(java.lang.String qualifiedName)
org.eclipse.emf.ecore.EPackage	getEPackageBySimpleName(java.lang.String simpleName)
ChronoEPackageRegistry	getEPackageRegistry()
java.util.Set<org.eclipse.emf.ecore.EPackage>	getEPackages()
org.eclipse.emf.ecore.EReference	getEReferenceByQualifiedName(java.lang.String qualifiedName)
org.eclipse.emf.ecore.EStructuralFeature	getFeatureByQualifiedName(java.lang.String qualifiedName)
org.chronos.chronograph.api.structure.ChronoGraph	getGraph()
ChronoGraphEStore	getGraphEStore()
ChronoSphereInternal	getOwningSphere()
long	getTimestamp()
boolean	isClosed()
boolean	isOpen()
void	reloadEPackageRegistryFromGraph()
void	rollback()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.chronos.chronosphere.api.ChronoSphereTransaction

delete, delete, delete, delete

Constructor Detail

ChronoSphereTransactionImpl

public ChronoSphereTransactionImpl(ChronoSphereInternal owningSphere,
                                   org.chronos.chronograph.api.structure.ChronoGraph txGraph)

Method Detail

getTimestamp

public long getTimestamp()

Specified by:

getTimestamp in interface ChronoSphereTransaction

getBranch

public SphereBranch getBranch()

Specified by:

getBranch in interface ChronoSphereTransaction

createAndAttach

public org.eclipse.emf.ecore.EObject createAndAttach(org.eclipse.emf.ecore.EClass eClass)

Specified by:

createAndAttach in interface ChronoSphereTransaction

createAndAttach

public org.eclipse.emf.ecore.EObject createAndAttach(org.eclipse.emf.ecore.EClass eClass,
                                                     java.lang.String eObjectID)

Specified by:

createAndAttach in interface ChronoSphereTransactionInternal

attach

public void attach(org.eclipse.emf.ecore.EObject eObject)

Specified by:

attach in interface ChronoSphereTransaction

attach

public void attach(java.lang.Iterable<? extends org.eclipse.emf.ecore.EObject> eObjects)

Specified by:

attach in interface ChronoSphereTransaction

attach

public void attach(java.util.Iterator<? extends org.eclipse.emf.ecore.EObject> eObjects)

Specified by:

attach in interface ChronoSphereTransaction

delete

public void delete(org.eclipse.emf.ecore.EObject eObject)

Specified by:

delete in interface ChronoSphereTransaction

delete

public void delete(java.util.Iterator<? extends org.eclipse.emf.ecore.EObject> eObjects,
                   boolean cascadeDeletionToEContents)

Specified by:

delete in interface ChronoSphereTransaction

getEPackageByNsURI

public org.eclipse.emf.ecore.EPackage getEPackageByNsURI(java.lang.String namespaceURI)

Specified by:

getEPackageByNsURI in interface ChronoSphereTransaction

getEPackages

public java.util.Set<org.eclipse.emf.ecore.EPackage> getEPackages()

Specified by:

getEPackages in interface ChronoSphereTransaction

getEPackageByQualifiedName

public org.eclipse.emf.ecore.EPackage getEPackageByQualifiedName(java.lang.String qualifiedName)

Specified by:

getEPackageByQualifiedName in interface ChronoSphereTransaction

getEClassifierByQualifiedName

public org.eclipse.emf.ecore.EClassifier getEClassifierByQualifiedName(java.lang.String qualifiedName)

Specified by:

getEClassifierByQualifiedName in interface ChronoSphereTransaction

getEClassByQualifiedName

public org.eclipse.emf.ecore.EClass getEClassByQualifiedName(java.lang.String qualifiedName)

Specified by:

getEClassByQualifiedName in interface ChronoSphereTransaction

getFeatureByQualifiedName

public org.eclipse.emf.ecore.EStructuralFeature getFeatureByQualifiedName(java.lang.String qualifiedName)

Specified by:

getFeatureByQualifiedName in interface ChronoSphereTransaction

getEAttributeByQualifiedName

public org.eclipse.emf.ecore.EAttribute getEAttributeByQualifiedName(java.lang.String qualifiedName)

Specified by:

getEAttributeByQualifiedName in interface ChronoSphereTransaction

getEReferenceByQualifiedName

public org.eclipse.emf.ecore.EReference getEReferenceByQualifiedName(java.lang.String qualifiedName)

Specified by:

getEReferenceByQualifiedName in interface ChronoSphereTransaction

getEPackageBySimpleName

public org.eclipse.emf.ecore.EPackage getEPackageBySimpleName(java.lang.String simpleName)

Specified by:

getEPackageBySimpleName in interface ChronoSphereTransaction

getEClassifierBySimpleName

public org.eclipse.emf.ecore.EClassifier getEClassifierBySimpleName(java.lang.String simpleName)

Specified by:

getEClassifierBySimpleName in interface ChronoSphereTransaction

getEClassBySimpleName

public org.eclipse.emf.ecore.EClass getEClassBySimpleName(java.lang.String simpleName)

Specified by:

getEClassBySimpleName in interface ChronoSphereTransaction

getEObjectById

public ChronoEObject getEObjectById(java.lang.String eObjectID)

Description copied from interface: ChronoSphereTransaction

Retrieves a single ChronoEObject by its unique identifier.

Specified by:

getEObjectById in interface ChronoSphereTransaction

Parameters:

eObjectID - The ID of the EObject to retrieve. Must not be null.

Returns:

The EObject. May be null if there is no EObject for the given ID.

getEObjectById

public java.util.Map<java.lang.String,ChronoEObject> getEObjectById(java.lang.Iterable<java.lang.String> eObjectIDs)

Description copied from interface: ChronoSphereTransaction

Retrieves the ChronoEObjects for the given unique identifiers.

Specified by:

getEObjectById in interface ChronoSphereTransaction

Parameters:

eObjectIDs - The IDs of the EObjects to retrieve. May be empty, but must not be null.

Returns:

The mapping from unique ID to retrieved EObject. May be empty, but never null. Is guaranteed to include every given ID as a key. The IDs that did not have a matching EObject have null values assigned in the map.

getEObjectById

public java.util.Map<java.lang.String,ChronoEObject> getEObjectById(java.util.Iterator<java.lang.String> eObjectIDs)

Description copied from interface: ChronoSphereTransaction

Retrieves the ChronoEObjects for the given unique identifiers.

Specified by:

getEObjectById in interface ChronoSphereTransaction

Parameters:

eObjectIDs - The IDs of the EObjects to retrieve. May be empty, but must not be null.

Returns:

The mapping from unique ID to retrieved EObject. May be empty, but never null. Is guaranteed to include every given ID as a key. The IDs that did not have a matching EObject have null values assigned in the map.

find

public QueryStepBuilderStarter find()

Specified by:

find in interface ChronoSphereTransaction

getEObjectHistory

public java.util.Iterator<java.lang.Long> getEObjectHistory(org.eclipse.emf.ecore.EObject eObject)

Description copied from interface: ChronoSphereTransaction

Returns an iterator over the change timestamps in the history of the given EObject.

Specified by:

getEObjectHistory in interface ChronoSphereTransaction

Parameters:

eObject - The eObject in question. Must not be null.

Returns:

An iterator over the change timestamps, in descending order. May be empty if the given object is not attached.

getEObjectModificationsBetween

public java.util.Iterator<org.apache.commons.lang3.tuple.Pair<java.lang.Long,java.lang.String>> getEObjectModificationsBetween(long timestampLowerBound,
                                                                                                                               long timestampUpperBound)

Description copied from interface: ChronoSphereTransaction

Returns an iterator over all EObject modifications that have taken place in the given time range.

Specified by:

getEObjectModificationsBetween in interface ChronoSphereTransaction

Parameters:

timestampLowerBound - The lower bound of the time range to search in. Must not be negative. Must be less than or equal to timestampUpperBound. Must be less than or equal to the transaction timestamp.

timestampUpperBound - The upper bound of the time range to search in. Must not be negative. Must be greater than or equal to timestampLowerBound. Must be less than or equal to the transaction timestamp.

Returns:

An iterator over pairs, containing the change timestamp at the first and the modified EObject id at the second position. May be empty, but never null.

commit

public void commit()

Specified by:

commit in interface ChronoSphereTransaction

commit

public void commit(java.lang.Object commitMetadata)

Specified by:

commit in interface ChronoSphereTransaction

commitIncremental

public void commitIncremental()

Specified by:

commitIncremental in interface ChronoSphereTransaction

rollback

public void rollback()

Specified by:

rollback in interface ChronoSphereTransaction

isClosed

public boolean isClosed()

Specified by:

isClosed in interface ChronoSphereTransaction

isOpen

public boolean isOpen()

Specified by:

isOpen in interface ChronoSphereTransaction

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface ChronoSphereTransaction

getOwningSphere

public ChronoSphereInternal getOwningSphere()

Specified by:

getOwningSphere in interface ChronoSphereTransactionInternal

getGraph

public org.chronos.chronograph.api.structure.ChronoGraph getGraph()

Specified by:

getGraph in interface ChronoSphereTransactionInternal

getGraphEStore

public ChronoGraphEStore getGraphEStore()

Specified by:

getGraphEStore in interface ChronoSphereTransactionInternal

getEPackageRegistry

public ChronoEPackageRegistry getEPackageRegistry()

Specified by:

getEPackageRegistry in interface ChronoSphereTransactionInternal

batchInsert

public void batchInsert(java.util.Iterator<org.eclipse.emf.ecore.EObject> model)

Specified by:

batchInsert in interface ChronoSphereTransactionInternal

reloadEPackageRegistryFromGraph

public void reloadEPackageRegistryFromGraph()

Specified by:

reloadEPackageRegistryFromGraph in interface ChronoSphereTransactionInternal