Class KeywordExpressionStateObject
- java.lang.Object
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- org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractStateObject
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- org.eclipse.persistence.jpa.jpql.tools.model.query.SimpleStateObject
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- org.eclipse.persistence.jpa.jpql.tools.model.query.KeywordExpressionStateObject
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- All Implemented Interfaces:
StateObject
public class KeywordExpressionStateObject extends SimpleStateObject
The expression representing some keywords:TRUE,FALSEorNULL.- Version:
- 2.4
- See Also:
KeywordExpression- Author:
- Pascal Filion
- Since:
- 2.4
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Field Summary
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Fields inherited from class org.eclipse.persistence.jpa.jpql.tools.model.query.SimpleStateObject
TEXT_PROPERTY
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Constructor Summary
Constructors Constructor Description KeywordExpressionStateObject(StateObject parent)Creates a newKeywordExpressionStateObject.KeywordExpressionStateObject(StateObject parent, java.lang.String text)Creates a newKeywordExpressionStateObject.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaccept(StateObjectVisitor visitor)Visits thisStateObjectby the givenvisitor.KeywordExpressiongetExpression()Returns the actual parsed object if thisStateObjectrepresentation of the JPQL query was created by parsing an existing JPQL query.voidsetExpression(KeywordExpression expression)Keeps a reference of theparsed objectobject, which should only be done when this object is instantiated during the conversion of a parsed JPQL query intoStateObjects.voidsetText(java.lang.String text)Sets the text held by this state object.protected voidvalidateIdentifier(java.lang.String text)-
Methods inherited from class org.eclipse.persistence.jpa.jpql.tools.model.query.SimpleStateObject
getText, hasText, isEquivalent, setTextInternally, toTextInternal
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Methods inherited from class org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractStateObject
acceptUnknownVisitor, acceptUnknownVisitor, addChildren, 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
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Constructor Detail
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KeywordExpressionStateObject
public KeywordExpressionStateObject(StateObject parent)
Creates a newKeywordExpressionStateObject.- Parameters:
parent- The parent of this state object, which cannot benull- Throws:
java.lang.NullPointerException- The given parent cannot benull
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KeywordExpressionStateObject
public KeywordExpressionStateObject(StateObject parent, java.lang.String text)
Creates a newKeywordExpressionStateObject.
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Method Detail
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accept
public void accept(StateObjectVisitor visitor)
Visits thisStateObjectby the givenvisitor.- Parameters:
visitor- Thevisitorto visit this object
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getExpression
public KeywordExpression getExpression()
Returns the actual parsed object if thisStateObjectrepresentation of the JPQL query was created by parsing an existing JPQL query.- Specified by:
getExpressionin interfaceStateObject- Overrides:
getExpressionin classAbstractStateObject- Returns:
- The parsed object when a JPQL query is parsed and converted into a
StateObjectornullwhen the JPQL query is manually created (i.e. not from a string)
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setExpression
public void setExpression(KeywordExpression expression)
Keeps a reference of theparsed objectobject, which should only be done when this object is instantiated during the conversion of a parsed JPQL query intoStateObjects.- Parameters:
expression- Theparsed objectrepresenting one of the three possible keyword:TRUE,FALSEorNULL
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setText
public void setText(java.lang.String text)
Sets the text held by this state object.- Overrides:
setTextin classSimpleStateObject- Parameters:
text- This model's text value
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validateIdentifier
protected void validateIdentifier(java.lang.String text)
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