org.eclipse.persistence.jpa.jpql.model
Class AbstractSimpleSelectExpressionStateObjectBuilder

java.lang.Object
  org.eclipse.persistence.jpa.jpql.model.AbstractStateObjectBuilder
      org.eclipse.persistence.jpa.jpql.model.AbstractScalarExpressionStateObjectBuilder<ISimpleSelectExpressionStateObjectBuilder>
          org.eclipse.persistence.jpa.jpql.model.AbstractSimpleSelectExpressionStateObjectBuilder

All Implemented Interfaces:

IScalarExpressionStateObjectBuilder<ISimpleSelectExpressionStateObjectBuilder>, ISimpleSelectExpressionStateObjectBuilder

Direct Known Subclasses:

AbstractEclipseLinkSimpleSelectExpressionStateObjectBuilder, DefaultSimpleSelectExpressionStateObjectBuilder

public abstract class AbstractSimpleSelectExpressionStateObjectBuilder
extends AbstractScalarExpressionStateObjectBuilder<ISimpleSelectExpressionStateObjectBuilder>
implements ISimpleSelectExpressionStateObjectBuilder

The abstract implementation of ISimpleSelectExpressionStateObjectBuilder that supports the creation of the select expression based on the JPQL grammar defined in JPA 2.0.

Version:

2.4

Author:

Pascal Filion

Since:

2.4

Constructor Summary

protected

AbstractSimpleSelectExpressionStateObjectBuilder(AbstractSelectClauseStateObject parent) Creates a new AbstractSimpleSelectExpressionStateObjectBuilder.

Method Summary

protected AbstractSelectClauseStateObject	getParent() Returns the parent of the expression to build, which is only required when a JPQL fragment needs to be parsed.
ISimpleSelectExpressionStateObjectBuilder	variable(java.lang.String variable) Creates the expression representing an identification variable.

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

abs, add, arithmetic, avg, avg, avgDistinct, buildCollectionPath, buildIdentificationVariable, buildInputParameter, buildNumeric, buildNumeric, buildStateFieldPath, buildStringLiteral, case_, coalesce, concat, count, count, countDistinct, currentDate, currentTime, currentTimestamp, date, divide, entityType, enumLiteral, function, function, getCaseBuilder, index, length, literal, literals, locate, locate, max, max, maxDistinct, min, min, minDistinct, minus, mod, multiply, nullIf, numeric, numeric, parameter, path, plus, size, sqrt, stateObjects, stateObjects, string, sub, subtract, sum, sum, sumDistinct, type

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

add, checkBuilder, checkBuilders, hasStateObjects, pop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.persistence.jpa.jpql.model.ISimpleSelectExpressionStateObjectBuilder

commit

Methods inherited from interface org.eclipse.persistence.jpa.jpql.model.IScalarExpressionStateObjectBuilder

abs, add, avg, avgDistinct, case_, coalesce, concat, count, countDistinct, currentDate, currentTime, currentTimestamp, date, divide, entityType, enumLiteral, function, function, getCaseBuilder, index, length, locate, locate, max, maxDistinct, min, minDistinct, minus, mod, multiply, nullIf, numeric, numeric, parameter, path, plus, size, sqrt, string, sub, subtract, sum, sumDistinct, type

Constructor Detail

AbstractSimpleSelectExpressionStateObjectBuilder

protected AbstractSimpleSelectExpressionStateObjectBuilder(AbstractSelectClauseStateObject parent)

Creates a new AbstractSimpleSelectExpressionStateObjectBuilder.

Parameters:

parent - The select clause for which this builder can create a select expression

Method Detail

getParent

protected AbstractSelectClauseStateObject getParent()

Returns the parent of the expression to build, which is only required when a JPQL fragment needs to be parsed.

Overrides:

getParent in class AbstractScalarExpressionStateObjectBuilder<ISimpleSelectExpressionStateObjectBuilder>

Returns:

The parent

variable

public ISimpleSelectExpressionStateObjectBuilder variable(java.lang.String variable)

Creates the expression representing an identification variable.

Specified by:

variable in interface ISimpleSelectExpressionStateObjectBuilder

Parameters:

variable - The identification variable

Returns:

This builder