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EclipseLink 2.4.2, build 'v20130514-5956486' API Reference | ||||||||
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java.lang.Objectorg.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject
org.eclipse.persistence.jpa.jpql.model.query.SimpleStateObject
public abstract class SimpleStateObject
This StateObject
simply holds onto a string.
Field Summary | |
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static java.lang.String |
TEXT_PROPERTY
Notifies the text property has changed. |
Constructor Summary | |
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protected |
SimpleStateObject(StateObject parent)
Creates a new SimpleStateObject . |
protected |
SimpleStateObject(StateObject parent,
java.lang.String text)
Creates a new SimpleStateObject . |
Method Summary | |
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java.lang.String |
getText()
Returns the text held by this state object. |
boolean |
hasText()
Determines whether this state object is holding a non-empty string. |
boolean |
isEquivalent(StateObject stateObject)
Determines whether the given StateObject is equivalent to this one, i.e. the
information of both StateObject is the same. |
void |
setText(java.lang.String text)
Sets the text held by this state object. |
protected void |
setTextInternally(java.lang.String text)
Sets the text to the given value without notifying the listeners. |
protected void |
toTextInternal(java.lang.Appendable writer)
Prints out a string representation of this StateObject , which should not be used to
define a true string representation of a JPQL query but should be used for
debugging purposes. |
Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject |
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acceptUnknownVisitor, acceptUnknownVisitor, addChildren, addProblems, addPropertyChangeListener, areEquivalent, buildProblem, buildProblem, buildStateObject, buildStateObjects, checkParent, children, decorate, equals, findIdentificationVariable, firePropertyChanged, getChangeSupport, getDeclaration, getDecorator, getExpression, 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 |
Methods inherited from interface org.eclipse.persistence.jpa.jpql.model.query.StateObject |
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accept |
Field Detail |
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public static final java.lang.String TEXT_PROPERTY
Constructor Detail |
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protected SimpleStateObject(StateObject parent)
SimpleStateObject
.
parent
- The parent of this state object, which cannot be null
java.lang.NullPointerException
- The given parent cannot be null
protected SimpleStateObject(StateObject parent, java.lang.String text)
SimpleStateObject
.
parent
- The parent of this state object, which cannot be null
text
- The text held by this state object
java.lang.NullPointerException
- The given parent cannot be null
Method Detail |
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public java.lang.String getText()
public boolean hasText()
true
if the text is non-empty; false
otherwisepublic boolean isEquivalent(StateObject stateObject)
StateObject
is equivalent to this one, i.e. the
information of both StateObject
is the same.
isEquivalent
in interface StateObject
isEquivalent
in class AbstractStateObject
stateObject
- The StateObject
to compare its content to this one
true
if both object are equivalent; false
otherwisepublic void setText(java.lang.String text)
text
- This model's text valueprotected void setTextInternally(java.lang.String text)
text
- This model's text valueprotected void toTextInternal(java.lang.Appendable writer) throws java.io.IOException
StateObject
, which should not be used to
define a true
string representation of a JPQL query but should be used for
debugging purposes.
toTextInternal
in class AbstractStateObject
writer
- The writer used to print out the string representation
java.io.IOException
- This should never happens, it is only required because Appendable
is used instead of any concrete class
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