Package org.datanucleus.api.jpa.criteria

Class ConcatExpression

java.lang.Object

org.datanucleus.api.jpa.criteria.ExpressionImpl<String>

org.datanucleus.api.jpa.criteria.ConcatExpression

All Implemented Interfaces:

Serializable, javax.persistence.criteria.Expression<String>, javax.persistence.criteria.Selection<String>, javax.persistence.TupleElement<String>

public class ConcatExpression
extends ExpressionImpl<String>

Representation of a CONCAT of two expressions.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.datanucleus.api.jpa.criteria.ExpressionImpl

cb

Constructor Summary

Constructors

Constructor	Description
ConcatExpression(CriteriaBuilderImpl cb, javax.persistence.criteria.Expression<String> expr1, javax.persistence.criteria.Expression<String> expr2)

Method Summary

Modifier and Type	Method	Description
org.datanucleus.store.query.expression.Expression	getQueryExpression()	Accessor for the underlying (generic) query expression.
String	toString()	Method to print out the expression as it would appear in JPQL single-string form.

Methods inherited from class org.datanucleus.api.jpa.criteria.ExpressionImpl

alias, as, getAlias, getCompoundSelectionItems, getJavaType, in, in, in, in, isCompoundSelection, isNotNull, isNull

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ConcatExpression

public ConcatExpression(CriteriaBuilderImpl cb,
                        javax.persistence.criteria.Expression<String> expr1,
                        javax.persistence.criteria.Expression<String> expr2)

Method Detail

getQueryExpression

public org.datanucleus.store.query.expression.Expression getQueryExpression()

Description copied from class: ExpressionImpl

Accessor for the underlying (generic) query expression.

Overrides:

getQueryExpression in class ExpressionImpl<String>

Returns:

The query expression

toString

public String toString()

Description copied from class: ExpressionImpl

Method to print out the expression as it would appear in JPQL single-string form.

Overrides:

toString in class ExpressionImpl<String>

Returns:

The JPQL single string form of this expression