GigaSpaces XAP 9.1 API

org.openspaces.jpa.openjpa.query
Class EmptyExpression

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

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

Represents an empty expression where there's no WHERE clause.

Since:
8.0
Author:
idan
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from interface org.openspaces.jpa.openjpa.query.ExpressionNode
ExpressionNode.NodeType
 
Constructor Summary
EmptyExpression()
           
 
Method Summary
 void acceptVisit(org.apache.openjpa.kernel.exps.ExpressionVisitor visitor)
           
 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

EmptyExpression

public EmptyExpression()
Method Detail

acceptVisit

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

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.

GigaSpaces XAP 9.1 API

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