org.openspaces.jpa.openjpa.query

Class EmptyExpression

java.lang.Object

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

Constructors

Constructor and Description
EmptyExpression()

Method Summary

Modifier and Type	Method and Description
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.