GigaSpaces XAP 8.0 API

org.openspaces.jpa.openjpa.query
Class BindVariableExpression

java.lang.Object
  extended by org.openspaces.jpa.openjpa.query.BindVariableExpression
All Implemented Interfaces:
Serializable, org.apache.openjpa.kernel.exps.Expression, ExpressionNode

public class BindVariableExpression
extends Object
implements org.apache.openjpa.kernel.exps.Expression, ExpressionNode

Represents a JPQL bound variable expression node. OpenJPA adds this dummy node containing the mapping info when a property is JOINED. The node is translated to a "1 = 1" expression.

Since:
8.0
Author:
Idan Moyal
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from interface org.openspaces.jpa.openjpa.query.ExpressionNode
ExpressionNode.NodeType
 
Constructor Summary
BindVariableExpression()
           
 
Method Summary
 void acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor arg0)
           
 void appendSql(StringBuilder sql)
          Appends the node SQL string to the string builder.
 ExpressionNode.NodeType getNodeType()
          Gets the node type
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

BindVariableExpression

public BindVariableExpression()
Method Detail

appendSql

public void appendSql(StringBuilder sql)
Description copied from interface: ExpressionNode
Appends the node SQL string to the string builder.

Specified by:
appendSql in interface ExpressionNode
Parameters:
sql - The SQL string builder to append to.

getNodeType

public ExpressionNode.NodeType getNodeType()
Description copied from interface: ExpressionNode
Gets the node type

Specified by:
getNodeType in interface ExpressionNode
Returns:
The node type.

acceptVisit

public void acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor arg0)
Specified by:
acceptVisit in interface org.apache.openjpa.kernel.exps.Expression

GigaSpaces XAP 8.0 API

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