Top Description Fields Constructors Methods
org.eclipse.persistence.jpa.jpql.tools.model.query

public Class UnknownExpressionStateObject

extends SimpleStateObject
Class Inheritance
Imports
org.eclipse.persistence.jpa.jpql.parser.UnknownExpression
This StateObject holds onto an unknown portion of a JPQL query that could not be parsed.
Author
Pascal Filion
Since
2.4
Version
2.4
See Also
UnknownExpression

Field Summary

Inherited from org.eclipse.persistence.jpa.jpql.tools.model.query.SimpleStateObject:
TEXT_PROPERTY

Constructor Summary

AccessConstructor and Description
public
UnknownExpressionStateObject(StateObject
The parent of this state object, which cannot be null
parent, String
The unknown expression
text)

Creates a new UnknownExpressionStateObject.

Method Summary

Modifier and TypeMethod and Description
public void
accept(StateObjectVisitor
The visitor to visit this object
visitor)

Implements org.eclipse.persistence.jpa.jpql.tools.model.query.StateObject.accept.

Visits this StateObject by the given visitor.
public UnknownExpression
getExpression()

Overrides org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractStateObject.getExpression.

Implements org.eclipse.persistence.jpa.jpql.tools.model.query.StateObject.getExpression.

Returns the actual parsed object if this StateObject representation of the JPQL query was created by parsing an existing JPQL query.
public void
setExpression(UnknownExpression
The parsed object representing an unknown expression
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.

Inherited from org.eclipse.persistence.jpa.jpql.tools.model.query.SimpleStateObject:
getTexthasTextisEquivalentsetTextsetTextInternallytoTextInternal

Constructor Detail

UnknownExpressionStateObjectback to summary
public UnknownExpressionStateObject(StateObject parent, String text)

Creates a new UnknownExpressionStateObject.

Parameters
parent:StateObject

The parent of this state object, which cannot be null

text:String

The unknown expression

Exceptions
NullPointerException:
The given parent cannot be null

Method Detail

acceptback to summary
public void accept(StateObjectVisitor visitor)

Implements org.eclipse.persistence.jpa.jpql.tools.model.query.StateObject.accept.

Doc from org.eclipse.persistence.jpa.jpql.tools.model.query.StateObject.accept.

Visits this StateObject by the given visitor.

Parameters
visitor:StateObjectVisitor

The visitor to visit this object

Annotations
@Override
getExpressionback to summary
public UnknownExpression getExpression()

Overrides org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractStateObject.getExpression.

Implements org.eclipse.persistence.jpa.jpql.tools.model.query.StateObject.getExpression.

Doc from org.eclipse.persistence.jpa.jpql.tools.model.query.StateObject.getExpression.

Returns the actual parsed object if this StateObject representation of the JPQL query was created by parsing an existing JPQL query.

Returns:UnknownExpression

The parsed object when a JPQL query is parsed and converted into a StateObject or null when the JPQL query is manually created (i.e. not from a string)

Annotations
@Override
setExpressionback to summary
public void setExpression(UnknownExpression 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.

Parameters
expression:UnknownExpression

The parsed object representing an unknown expression