org.cloudgraph.test.socialgraph.actor.query

Class QNode

java.lang.Object

org.plasma.query.dsl.DomainObject

org.plasma.query.dsl.PathNode

org.plasma.query.dsl.DomainRoot

org.cloudgraph.test.socialgraph.actor.query.QNode

All Implemented Interfaces:

org.plasma.query.dsl.DomainQuery, org.plasma.query.PathProperty, org.plasma.query.Property, org.plasma.query.Query, org.plasma.query.Term

public class QNode
extends org.plasma.query.dsl.DomainRoot

In a social network all entities such as people, groups, events, topics, images, stories, etc. are represented as nodes. Nodes have some common characteristics. For example: title, description, unique URL, and Geo-location information. All nodes can be tagged and commented on.

Generated Domain Specific Language (DSL) implementation class representing the domain model entity Node.

Data Store Mapping: Corresponds to the physical data store entity N.

Field Summary

Fields inherited from class org.plasma.query.dsl.PathNode

expr, isRoot, type

Fields inherited from class org.plasma.query.dsl.DomainObject

source, sourceProperty

Constructor Summary

Constructors

Constructor and Description
QNode(org.plasma.query.dsl.PathNode source, String sourceProperty) Constructor which instantiates a domain query path node.
QNode(org.plasma.query.dsl.PathNode source, String sourceProperty, org.plasma.query.Expression expr) Constructor which instantiates a domain query path node.

Method Summary

Modifier and Type	Method and Description
org.plasma.query.TemporalDataProperty	createdDate() Returns a DSL data element for property, createdDate.
org.plasma.query.StringDataProperty	description() Returns a DSL data element for property, description.
org.plasma.query.StringDataProperty	id() Returns a DSL data element for property, id.
org.plasma.query.TemporalDataProperty	modifiedDate() Returns a DSL data element for property, modifiedDate.
org.plasma.query.IntegralDataProperty	modifiedVersion() Returns a DSL data element for property, modifiedVersion.
org.plasma.query.StringDataProperty	name() Returns a DSL data element for property, name.
static QNode	newQuery() Returns a new DSL query for Type Node which can be used either as a query root or as the start (entry point) for a new path predicate expression.
QEdge	sourceEdge() Returns a DSL query element for reference property, sourceEdge.
QEdge	sourceEdge(org.plasma.query.Expression expr) Returns a DSL query element for reference property, sourceEdge, while adding the given path predicate expression.
QEdge	targetEdge() Returns a DSL query element for reference property, targetEdge.
QEdge	targetEdge(org.plasma.query.Expression expr) Returns a DSL query element for reference property, targetEdge, while adding the given path predicate expression.

Methods inherited from class org.plasma.query.dsl.DomainRoot

addConfigurationProperty, clearOrderByClause, findGroupByClause, findHavingClause, findJoinClauses, findOrderByClause, findWhereClause, getConfigurationProperty, getEndRange, getFromClause, getModel, getName, getSelectClause, getStartRange, getWhereClause, groupBy, having, orderBy, select, select, select, setEndRange, setName, setStartRange, where

Methods inherited from class org.plasma.query.dsl.PathNode

dataWildcard, getSource, getSourceProperty, group, isNotNull, isNull, isRoot, referenceWildcard, subclassDataWildcard, wildcard

Methods inherited from class java.lang.Object

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

Constructor Detail

QNode

public QNode(org.plasma.query.dsl.PathNode source,
             String sourceProperty)

Constructor which instantiates a domain query path node. A path may span multiple namespaces and therefore Java inplementation packages based on the Condiguration. Note: while this constructor is public, it is not for application use!

Parameters:

source - the source path node

sourceProperty - the source property logical name

QNode

public QNode(org.plasma.query.dsl.PathNode source,
             String sourceProperty,
             org.plasma.query.Expression expr)

Constructor which instantiates a domain query path node. A path may span multiple namespaces and therefore Java inplementation packages based on the Condiguration. Note: while this constructor is public, it is not for application use!

Parameters:

source - the source path node

sourceProperty - the source property logical name

expr - the path predicate expression

Method Detail

newQuery

public static QNode newQuery()

Returns a new DSL query for Type Node which can be used either as a query root or as the start (entry point) for a new path predicate expression.

Returns:

a new DSL query

createdDate

public org.plasma.query.TemporalDataProperty createdDate()

Returns a DSL data element for property, createdDate.

Returns:

a Temporal DSL data element for property, createdDate.

description

public org.plasma.query.StringDataProperty description()

Returns a DSL data element for property, description.

Returns:

a String DSL data element for property, description.

id

public org.plasma.query.StringDataProperty id()

Returns a DSL data element for property, id.

Returns:

a String DSL data element for property, id.

modifiedDate

public org.plasma.query.TemporalDataProperty modifiedDate()

Returns a DSL data element for property, modifiedDate.

Returns:

a Temporal DSL data element for property, modifiedDate.

modifiedVersion

public org.plasma.query.IntegralDataProperty modifiedVersion()

Returns a DSL data element for property, modifiedVersion.

Returns:

an Integral DSL data element for property, modifiedVersion.

name

public org.plasma.query.StringDataProperty name()

Returns a DSL data element for property, name.

Returns:

a String DSL data element for property, name.

sourceEdge

public QEdge sourceEdge()

Returns a DSL query element for reference property, sourceEdge.

Returns:

a DSL query element for reference property, sourceEdge.

sourceEdge

public QEdge sourceEdge(org.plasma.query.Expression expr)

Returns a DSL query element for reference property, sourceEdge, while adding the given path predicate expression. Path predicate expressions are used to restrict the query results for a collection property within a DataGraph.

Parameters:

expr - the path predicate expression

Returns:

a DSL query element for reference property, sourceEdge.

targetEdge

public QEdge targetEdge()

Returns a DSL query element for reference property, targetEdge.

Returns:

a DSL query element for reference property, targetEdge.

targetEdge

public QEdge targetEdge(org.plasma.query.Expression expr)

Returns a DSL query element for reference property, targetEdge, while adding the given path predicate expression. Path predicate expressions are used to restrict the query results for a collection property within a DataGraph.

Parameters:

expr - the path predicate expression

Returns:

a DSL query element for reference property, targetEdge.