Top Description Methods
org.eclipse.persistence.internal.jpa.querydef

public Interface InternalExpression

Known Direct Implementers
org.eclipse.persistence.internal.jpa.querydef.SubQueryImpl, org.eclipse.persistence.internal.jpa.querydef.ExpressionImpl

Purpose: Represents an Expression in the Criteria API implementation heirarchy.

Description: Expressions are expression nodes that can not be joined from and may or not be the result of a Path expression. The SubQuery is a special type of expression that requires certain methods but can not extend ExpressionImpl. This interface provide a common API.

Author
gyorke
Since
EclipseLink 1.2
See Also
Expression

Method Summary

Modifier and TypeMethod and Description
public boolean
isCompoundExpression()

public boolean
isExpression()

public boolean
isJunction()

public boolean
isLiteral()

public boolean
isParameter()

public boolean
isPredicate()

public boolean
isSubquery()

Method Detail

isCompoundExpressionback to summary
public boolean isCompoundExpression()
isExpressionback to summary
public boolean isExpression()
isJunctionback to summary
public boolean isJunction()
isLiteralback to summary
public boolean isLiteral()
isParameterback to summary
public boolean isParameter()
isPredicateback to summary
public boolean isPredicate()
isSubqueryback to summary
public boolean isSubquery()