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EclipseLink 2.4.1, build 'v20121003-ad44345' API Reference | ||||||||
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java.lang.Objectorg.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject
org.eclipse.persistence.jpa.jpql.model.query.AbstractPathExpressionStateObject
org.eclipse.persistence.jpa.jpql.model.query.CollectionValuedPathExpressionStateObject
public class CollectionValuedPathExpressionStateObject
A collection-valued field is designated by the name of an association field in a one-to-many or a many-to-many relationship or by the name of an element collection field. The type of a collection-valued field is a collection of values of the abstract schema type of the related entity or element type.
collection_valued_path_expression ::= general_identification_variable.{single_valued_object_field.}*collection_valued_field
CollectionValuedPathExpression| Field Summary |
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| Fields inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractPathExpressionStateObject |
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IDENTIFICATION_VARIABLE_PROPERTY, PATHS_LIST |
| Constructor Summary | |
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CollectionValuedPathExpressionStateObject(StateObject parent)
Creates a new CollectionValuedPathExpressionStateObject. |
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CollectionValuedPathExpressionStateObject(StateObject parent,
java.lang.String path)
Creates a new CollectionValuedPathExpressionStateObject. |
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| Method Summary | |
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void |
accept(StateObjectVisitor visitor)
Visits this StateObject by the given visitor. |
CollectionValuedPathExpression |
getExpression()
Returns the actual parsed object if this StateObject representation of the JPQL query
was created by parsing an existing JPQL query. |
protected IManagedType |
resolveManagedType()
Resolves |
protected IType |
resolveType()
Resolves the IType of the property handled by this object. |
void |
setExpression(CollectionValuedPathExpression expression)
Keeps a reference of the parsed object object, which
should only be done when this object is instantiated during the conversion of a parsed JPQL
query into StateObjects. |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractPathExpressionStateObject |
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addChildren, addItem, addItems, addListChangeListener, append, canMoveDown, canMoveUp, clearResolvedObjects, getIdentificationVariable, getItem, getManagedType, getMapping, getMapping, getPath, getType, getTypeDeclaration, hasIdentificationVariable, hasItems, initialize, isEquivalent, items, itemsSize, moveDown, moveUp, removeItem, removeItem, removeItems, removeListChangeListener, resolveMappings, resolveTypeDeclaration, setIdentificationVariable, setIdentificationVariableInternally, setPath, setPath, setPaths, setPaths, setPaths, toTextInternal |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject |
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acceptUnknownVisitor, acceptUnknownVisitor, addProblems, addPropertyChangeListener, areEquivalent, buildProblem, buildProblem, buildStateObject, buildStateObjects, checkParent, children, decorate, equals, findIdentificationVariable, firePropertyChanged, getChangeSupport, getDeclaration, getDecorator, getGrammar, getManagedTypeProvider, getParent, getQueryBuilder, getRoot, getType, getType, getTypeHelper, getTypeRepository, hashCode, isDecorated, parent, parent, parent, removePropertyChangeListener, setExpression, setParent, toString, toString, toStringInternal, toStringItems, toText |
| Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface org.eclipse.persistence.jpa.jpql.model.query.StateObject |
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addPropertyChangeListener, children, decorate, findIdentificationVariable, getDeclaration, getDecorator, getGrammar, getManagedTypeProvider, getParent, getQueryBuilder, getRoot, isDecorated, removePropertyChangeListener, setParent, toString, toText |
| Constructor Detail |
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public CollectionValuedPathExpressionStateObject(StateObject parent)
CollectionValuedPathExpressionStateObject.
parent - The parent of this state object, which cannot be null
java.lang.NullPointerException - The given parent cannot be nullpublic CollectionValuedPathExpressionStateObject(StateObject parent, java.lang.String path)
CollectionValuedPathExpressionStateObject.
parent - The parent of this state object, which cannot be nullpath - The collection-valued path expression
java.lang.NullPointerException - The given parent cannot be null| Method Detail |
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public void accept(StateObjectVisitor visitor)
StateObject by the given visitor.
visitor - The visitor to visit this objectpublic CollectionValuedPathExpression getExpression()
StateObject representation of the JPQL query
was created by parsing an existing JPQL query.
getExpression in interface StateObjectgetExpression in class AbstractPathExpressionStateObjectStateObject
or null when the JPQL query is manually created (i.e. not from a string)protected IManagedType resolveManagedType()
resolveManagedType in class AbstractPathExpressionStateObjectprotected IType resolveType()
IType of the property handled by this object.
resolveType in class AbstractPathExpressionStateObjectIType that was resolved by this object or the IType for
IType.UNRESOLVABLE_TYPE if it could not be resolvedpublic void setExpression(CollectionValuedPathExpression expression)
parsed object object, which
should only be done when this object is instantiated during the conversion of a parsed JPQL
query into StateObjects.
expression - The parsed object representing a
collection-valued path expression
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