org.hibernate.hql.ast.tree.InLogicOperatorNode Maven / Gradle / Ivy
The newest version!
package org.hibernate.hql.ast.tree;
import antlr.SemanticException;
import antlr.collections.AST;
import org.hibernate.type.Type;
/**
* @author Steve Ebersole
*/
public class InLogicOperatorNode extends BinaryLogicOperatorNode implements BinaryOperatorNode {
public Node getInList() {
return getRightHandOperand();
}
public void initialize() throws SemanticException {
Node lhs = getLeftHandOperand();
if ( lhs == null ) {
throw new SemanticException( "left-hand operand of in operator was null" );
}
Node inList = getInList();
if ( inList == null ) {
throw new SemanticException( "right-hand operand of in operator was null" );
}
// for expected parameter type injection, we expect that the lhs represents
// some form of property ref and that the children of the in-list represent
// one-or-more params.
if ( SqlNode.class.isAssignableFrom( lhs.getClass() ) ) {
Type lhsType = ( ( SqlNode ) lhs ).getDataType();
AST inListChild = inList.getFirstChild();
while ( inListChild != null ) {
if ( ExpectedTypeAwareNode.class.isAssignableFrom( inListChild.getClass() ) ) {
( ( ExpectedTypeAwareNode ) inListChild ).setExpectedType( lhsType );
}
inListChild = inListChild.getNextSibling();
}
}
}
}