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HHH-4881: Keep track of the owning expression so we can get the path identifier

This commit is contained in:
James Gilbertson 2011-10-08 00:24:45 -06:00 committed by Strong Liu
parent 1b30c4a9f2
commit 972aa060a6
2 changed files with 7 additions and 4 deletions
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9
hibernate-entitymanager/src/main/java/org/hibernate/ejb/criteria/expression/PathTypeExpression.java
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@ -26,6 +26,7 @@ import java.io.Serializable;
import org.hibernate.ejb.criteria.CriteriaBuilderImpl;
import org.hibernate.ejb.criteria.CriteriaQueryCompiler;
import org.hibernate.ejb.criteria.ParameterRegistry;
import org.hibernate.ejb.criteria.path.AbstractPathImpl;
/**
* Used to construct the result of {@link javax.persistence.criteria.Path#type()}
@ -33,8 +34,11 @@ import org.hibernate.ejb.criteria.ParameterRegistry;
* @author Steve Ebersole
*/
public class PathTypeExpression<T> extends ExpressionImpl<T> implements Serializable {
public PathTypeExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType) {
private final AbstractPathImpl<T> pathImpl;
public PathTypeExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, AbstractPathImpl<T> pathImpl) {
super( criteriaBuilder, javaType );
this.pathImpl = pathImpl;
}
public void registerParameters(ParameterRegistry registry) {
@ -42,8 +46,7 @@ public class PathTypeExpression<T> extends ExpressionImpl<T> implements Serializ
}
public String render(CriteriaQueryCompiler.RenderingContext renderingContext) {
// todo : is it valid for this to get rendered into the query itself?
throw new IllegalArgumentException( "Unexpected call on EntityTypeExpression#render" );
return "type(" + pathImpl.getPathIdentifier() + ")";
}
public String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext) {

2
hibernate-entitymanager/src/main/java/org/hibernate/ejb/criteria/path/AbstractPathImpl.java
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@ -67,7 +67,7 @@ public abstract class AbstractPathImpl<X>
PathSource pathSource) {
super( criteriaBuilder, javaType );
this.pathSource = pathSource;
this.typeExpression = new PathTypeExpression( criteriaBuilder(), getJavaType() );
this.typeExpression = new PathTypeExpression( criteriaBuilder(), getJavaType(), this );
}
public PathSource getPathSource() {