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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.query.criteria.internal.expression;
import java.util.List;
import javax.persistence.criteria.Selection;
import org.hibernate.query.criteria.internal.ParameterRegistry;
import org.hibernate.query.criteria.internal.ValueHandlerFactory;
/**
* Implementation of {@link javax.persistence.criteria.Expression} wraps another Expression and delegates most of its
* functionality to that wrapped Expression
*
* @author Steve Ebersole
*/
public abstract class DelegatedExpressionImpl extends ExpressionImpl {
private final ExpressionImpl wrapped;
public DelegatedExpressionImpl(ExpressionImpl wrapped) {
super( wrapped.criteriaBuilder(), wrapped.getJavaType() );
this.wrapped = wrapped;
}
public ExpressionImpl getWrapped() {
return wrapped;
}
// delegations ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@Override
public void registerParameters(ParameterRegistry registry) {
wrapped.registerParameters( registry );
}
@Override
public Selection alias(String alias) {
wrapped.alias( alias );
return this;
}
@Override
public boolean isCompoundSelection() {
return wrapped.isCompoundSelection();
}
@Override
public List getValueHandlers() {
return wrapped.getValueHandlers();
}
@Override
public List> getCompoundSelectionItems() {
return wrapped.getCompoundSelectionItems();
}
@Override
public Class getJavaType() {
return wrapped.getJavaType();
}
@Override
protected void resetJavaType(Class targetType) {
wrapped.resetJavaType( targetType );
}
@Override
protected void forceConversion(ValueHandlerFactory.ValueHandler tValueHandler) {
wrapped.forceConversion( tValueHandler );
}
@Override
public ValueHandlerFactory.ValueHandler getValueHandler() {
return wrapped.getValueHandler();
}
@Override
public String getAlias() {
return wrapped.getAlias();
}
@Override
protected void setAlias(String alias) {
wrapped.setAlias( alias );
}
}