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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.AbstractEncapsulatedExpressionStateObject
org.eclipse.persistence.jpa.jpql.model.query.AbstractTripleEncapsulatedExpressionStateObject
org.eclipse.persistence.jpa.jpql.model.query.SubstringExpressionStateObject
public class SubstringExpressionStateObject
The second and third arguments of the SUBSTRING function denote the starting
position and length of the substring to be returned. These arguments are integers. The first
position of a string is denoted by 1. The SUBSTRING function returns a string.
JPA 1.0:
JPA 2.0:
SubstringExpression| Field Summary |
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| Fields inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractTripleEncapsulatedExpressionStateObject |
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FIRST_STATE_OBJECT_PROPERTY, SECOND_STATE_OBJECT_PROPERTY, THIRD_STATE_OBJECT_PROPERTY |
| Constructor Summary | |
|---|---|
SubstringExpressionStateObject(StateObject parent)
Creates a new SubstringExpressionStateObject. |
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SubstringExpressionStateObject(StateObject parent,
StateObject firstStateObject,
StateObject secondStateObject)
Creates a new SubstringExpressionStateObject. |
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SubstringExpressionStateObject(StateObject parent,
StateObject firstStateObject,
StateObject secondStateObject,
StateObject thirdStateObject)
Creates a new SubstringExpressionStateObject. |
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SubstringExpressionStateObject(StateObject parent,
java.lang.String firstJpqlFragment,
java.lang.String secondJpqlFragment)
Creates a new SubstringExpressionStateObject. |
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SubstringExpressionStateObject(StateObject parent,
java.lang.String firstJpqlFragment,
java.lang.String secondJpqlFragment,
java.lang.String thirdJpqlFragment)
Creates a new SubstringExpressionStateObject. |
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| Method Summary | |
|---|---|
void |
accept(StateObjectVisitor visitor)
Visits this StateObject by the given visitor. |
SubstringExpression |
getExpression()
Returns the actual parsed object if this StateObject representation of the JPQL query
was created by parsing an existing JPQL query. |
protected java.lang.String |
getFirstQueryBNFId()
Returns the unique identifier of the BNF that will be used to parse a JPQL fragment as the first encapsulated expression. |
java.lang.String |
getIdentifier()
Returns the JPQL identifier of the expression represented by this AbstractSingleEncapsulatedExpressionStateObject. |
protected java.lang.String |
getSecondQueryBNFId()
Returns the unique identifier of the BNF that will be used to parse a JPQL fragment as the second encapsulated expression. |
protected java.lang.String |
getThirdQueryBNFId()
Returns the unique identifier of the BNF that will be used to parse a JPQL fragment as the third encapsulated expression. |
void |
setExpression(SubstringExpression 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.AbstractTripleEncapsulatedExpressionStateObject |
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addChildren, getFirst, getSecond, getThird, hasFirst, hasSecond, hasThird, isEquivalent, parseFirst, parseSecond, parseThird, setFirst, setSecond, setThird, toTextEncapsulatedExpression |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractEncapsulatedExpressionStateObject |
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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, initialize, 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 |
| Constructor Detail |
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public SubstringExpressionStateObject(StateObject parent)
SubstringExpressionStateObject.
parent - The parent of this state object, which cannot be null
java.lang.NullPointerException - The given parent cannot be nullpublic SubstringExpressionStateObject(StateObject parent, StateObject firstStateObject, StateObject secondStateObject)
SubstringExpressionStateObject.
parent - The parent of this state object, which cannot be nullfirstStateObject - The StateObject of the first expressionsecondStateObject - The StateObject of the second expression
java.lang.NullPointerException - The given parent cannot be nullpublic SubstringExpressionStateObject(StateObject parent, StateObject firstStateObject, StateObject secondStateObject, StateObject thirdStateObject)
SubstringExpressionStateObject.
parent - The parent of this state object, which cannot be nullfirstStateObject - The StateObject of the first expressionsecondStateObject - The StateObject of the second expressionthirdStateObject - The StateObject of the third encapsulated expression
java.lang.NullPointerException - The given parent cannot be nullpublic SubstringExpressionStateObject(StateObject parent, java.lang.String firstJpqlFragment, java.lang.String secondJpqlFragment)
SubstringExpressionStateObject.
parent - The parent of this state object, which cannot be nullfirstJpqlFragment - The string representation of the first encapsulated expression to
parse and to convert into a StateObject representationsecondJpqlFragment - The string representation of the second encapsulated expression to
parse and to convert into a StateObject representation
java.lang.NullPointerException - The given parent cannot be nullpublic SubstringExpressionStateObject(StateObject parent, java.lang.String firstJpqlFragment, java.lang.String secondJpqlFragment, java.lang.String thirdJpqlFragment)
SubstringExpressionStateObject.
parent - The parent of this state object, which cannot be nullfirstJpqlFragment - The string representation of the first encapsulated expression to
parse and to convert into a StateObject representationsecondJpqlFragment - The string representation of the second encapsulated expression to
parse and to convert into a StateObject representationthirdJpqlFragment - The string representation of the third encapsulated expression to
parse and to convert into a StateObject representation
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 SubstringExpression getExpression()
StateObject representation of the JPQL query
was created by parsing an existing JPQL query.
getExpression in interface StateObjectgetExpression in class AbstractTripleEncapsulatedExpressionStateObjectStateObject
or null when the JPQL query is manually created (i.e. not from a string)protected java.lang.String getFirstQueryBNFId()
getFirstQueryBNFId in class AbstractTripleEncapsulatedExpressionStateObjectpublic java.lang.String getIdentifier()
AbstractSingleEncapsulatedExpressionStateObject.
getIdentifier in class AbstractEncapsulatedExpressionStateObjectprotected java.lang.String getSecondQueryBNFId()
getSecondQueryBNFId in class AbstractTripleEncapsulatedExpressionStateObjectprotected java.lang.String getThirdQueryBNFId()
getThirdQueryBNFId in class AbstractTripleEncapsulatedExpressionStateObjectpublic void setExpression(SubstringExpression 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 SUBSTRING
expression
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EclipseLink 2.4.1, build 'v20121003-ad44345' API Reference | ||||||||
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