org.openspaces.jpa.openjpa.query

Class BindVariableExpression

java.lang.Object

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

Constructors

Constructor and Description
BindVariableExpression()

Method Summary

Modifier and Type	Method and Description
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