/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.mapping.xml;
import java.util.Iterator;
import java.util.List;
import org.teiid.core.TeiidRuntimeException;
import org.teiid.query.QueryPlugin;
/**
* Node that describes a <b>choice</b> node in an XML Scheam Mapping document
*
* This allows only the criteria nodes to be added to choice node.
*/
public class MappingChoiceNode extends MappingBaseNode {
public MappingChoiceNode() {
this(false);
}
public MappingChoiceNode(boolean exceptionOnDefault) {
//setProperty(MappingNodeConstants.Properties.NAME, "{ChoiceNode}"); //$NON-NLS-1$
setProperty(MappingNodeConstants.Properties.NODE_TYPE, MappingNodeConstants.CHOICE);
setProperty(MappingNodeConstants.Properties.EXCEPTION_ON_DEFAULT, Boolean.valueOf(exceptionOnDefault));
}
public void acceptVisitor(MappingVisitor visitor) {
visitor.visit(this);
}
/**
* Adds the Element Node to the current Element node and returns the
* child node added to the current node.
*/
public MappingCriteriaNode addCriteriaNode(MappingCriteriaNode node) {
String criteria = node.getCriteria();
if (criteria == null && !node.isDefault()) {
throw new RuntimeException(QueryPlugin.Util.getString("NoCriteria")); //$NON-NLS-1$
}
addChild(node);
return node;
}
public MappingCriteriaNode getDefaultNode() {
List critNodes = getChildren();
for (final Iterator i = critNodes.iterator(); i.hasNext();) {
final MappingCriteriaNode node= (MappingCriteriaNode)i.next();
if (node.isDefault()) {
return node;
}
} // for
return null;
}
public boolean throwExceptionOnDefault() {
Boolean exceptionOnDefault = (Boolean)getProperty(MappingNodeConstants.Properties.EXCEPTION_ON_DEFAULT);
if (exceptionOnDefault != null) {
return exceptionOnDefault.booleanValue();
}
return false;
}
public MappingAllNode addAllNode(MappingAllNode elem) {
throw new TeiidRuntimeException(QueryPlugin.Util.getString("WrongTypeChild")); //$NON-NLS-1$
}
public MappingChoiceNode addChoiceNode(MappingChoiceNode elem) {
throw new TeiidRuntimeException(QueryPlugin.Util.getString("WrongTypeChild")); //$NON-NLS-1$
}
public MappingSequenceNode addSequenceNode(MappingSequenceNode elem) {
throw new TeiidRuntimeException(QueryPlugin.Util.getString("WrongTypeChild")); //$NON-NLS-1$
}
public MappingElement addChildElement(MappingElement elem) {
throw new TeiidRuntimeException(QueryPlugin.Util.getString("WrongTypeChild")); //$NON-NLS-1$
}
public MappingSourceNode addSourceNode(MappingSourceNode elem) {
throw new TeiidRuntimeException(QueryPlugin.Util.getString("WrongTypeChild")); //$NON-NLS-1$
}
}