org.eclipse.persistence.jpa.jpql.model.query
Class NumericLiteralStateObject

java.lang.Object
  org.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject
      org.eclipse.persistence.jpa.jpql.model.query.SimpleStateObject
          org.eclipse.persistence.jpa.jpql.model.query.NumericLiteralStateObject

All Implemented Interfaces:

StateObject

public class NumericLiteralStateObject
extends SimpleStateObject

Exact numeric literals support the use of Java integer literal syntax as well as SQL exact numeric literal syntax. Approximate literals support the use of Java floating point literal syntax as well as SQL approximate numeric literal syntax.

Appropriate suffixes may be used to indicate the specific type of a numeric literal in accordance with the Java Language Specification.

Version:

2.4

See Also:

NumericLiteral

Author:

Pascal Filion

Since:

2.4

Field Summary

Fields inherited from class org.eclipse.persistence.jpa.jpql.model.query.SimpleStateObject

TEXT_PROPERTY

Constructor Summary

NumericLiteralStateObject(StateObject parent)
Creates a new NumericLiteralStateObject.

NumericLiteralStateObject(StateObject parent, java.lang.Number numeric)
Creates a new NumericLiteralStateObject.

NumericLiteralStateObject(StateObject parent, java.lang.String numeric)
Creates a new NumericLiteralStateObject.

Method Summary

void	accept(StateObjectVisitor visitor) Visits this StateObject by the given visitor.
NumericLiteral	getExpression() Returns the actual parsed object if this StateObject representation of the JPQL query was created by parsing an existing JPQL query.
void	setExpression(NumericLiteral 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.SimpleStateObject

getText, hasText, isEquivalent, setText, setTextInternally, toTextInternal

Methods inherited from class org.eclipse.persistence.jpa.jpql.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

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

NumericLiteralStateObject

public NumericLiteralStateObject(StateObject parent)

Creates a new NumericLiteralStateObject.

Parameters:

parent - The parent of this state object, which cannot be null

Throws:

java.lang.NullPointerException - The given parent cannot be null

NumericLiteralStateObject

public NumericLiteralStateObject(StateObject parent,
                                 java.lang.Number numeric)

Creates a new NumericLiteralStateObject.

Parameters:

parent - The parent of this state object, which cannot be null

numeric - The actual number

Throws:

java.lang.NullPointerException - The given parent cannot be null

NumericLiteralStateObject

public NumericLiteralStateObject(StateObject parent,
                                 java.lang.String numeric)

Creates a new NumericLiteralStateObject.

Parameters:

parent - The parent of this state object, which cannot be null

numeric - The string representation of the numeric literal

Throws:

java.lang.NullPointerException - The given parent cannot be null

Method Detail

accept

public void accept(StateObjectVisitor visitor)

Visits this StateObject by the given visitor.

Parameters:

visitor - The visitor to visit this object

getExpression

public NumericLiteral getExpression()

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

Specified by:

getExpression in interface StateObject

Overrides:

getExpression in class AbstractStateObject

Returns:

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)

setExpression

public void setExpression(NumericLiteral 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 - The parsed object representing a numeric literal