/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.controller.transform.description;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.UNDEFINE_ATTRIBUTE_OPERATION;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.WRITE_ATTRIBUTE_OPERATION;
import java.util.Collections;
import java.util.Iterator;
import java.util.Map;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.transform.OperationTransformer;
import org.jboss.as.controller.transform.TransformationContext;
import org.jboss.dmr.ModelNode;
/**
* @author Emanuel Muckenhuber
*/
class OperationTransformationOverrideBuilderImpl extends AttributeTransformationDescriptionBuilderImpl<OperationTransformationOverrideBuilder> implements OperationTransformationOverrideBuilder {
private boolean inherit = false;
private DiscardPolicy discardPolicy = DiscardPolicy.NEVER;
private OperationTransformer transformer = OperationTransformer.DEFAULT;
private String newName;
private final String operationName;
protected OperationTransformationOverrideBuilderImpl(final String operationName, final ResourceTransformationDescriptionBuilder builder) {
super(builder, new AttributeTransformationDescriptionBuilderImpl.AttributeTransformationDescriptionBuilderRegistry());
this.operationName = operationName;
}
@Override
public OperationTransformationOverrideBuilder inheritResourceAttributeDefinitions() {
this.inherit = true;
return this;
}
public OperationTransformationOverrideBuilder setCustomOperationTransformer(OperationTransformer transformer) {
this.transformer = transformer;
return this;
}
@Override
public OperationTransformationOverrideBuilder rename(String newName) {
this.newName = newName;
return this;
}
protected OperationTransformer createTransformer(final AttributeTransformationDescriptionBuilderRegistry resourceRegistry) {
final AttributeTransformationDescriptionBuilderRegistry registry = resultingRegistry(resourceRegistry);
final Map<String, AttributeTransformationDescription> descriptions = registry.buildAttributes();
if(WRITE_ATTRIBUTE_OPERATION.equals(operationName)) {
// Custom write-attribute operation
final TransformationRule first = new OperationTransformationRules.WriteAttributeRule(descriptions);
return createTransformer(first);
} else if(UNDEFINE_ATTRIBUTE_OPERATION.equals(operationName)) {
// Custom undefine-attribute operation
final TransformationRule first = new OperationTransformationRules.UndefineAttributeRule(descriptions);
return createTransformer(first);
} else {
final AttributeTransformationRule first = new AttributeTransformationRule(descriptions);
return createTransformer(first);
}
}
protected OperationTransformer createTransformer(final TransformationRule first) {
return new OperationTransformer() {
@Override
public TransformedOperation transformOperation(final TransformationContext ctx, final PathAddress address, final ModelNode operation) throws OperationFailedException {
if(discardPolicy == DiscardPolicy.SILENT) {
return OperationTransformer.DISCARD.transformOperation(ctx, address, operation);
} // TODO handle other cases
final Iterator<TransformationRule> iterator = Collections.<TransformationRule>emptyList().iterator();
final TransformationRule.ChainedOperationContext context = new TransformationRule.ChainedOperationContext(ctx) {
@Override
void invokeNext(OperationTransformer.TransformedOperation transformedOperation) throws OperationFailedException {
recordTransformedOperation(transformedOperation);
if(iterator.hasNext()) {
final TransformationRule next = iterator.next();
// TODO hmm, do we need to change the address?
next.transformOperation(transformedOperation.getTransformedOperation(), address, this);
} else {
if (newName != null) {
transformedOperation.getTransformedOperation().get(OP).set(newName);
}
final TransformationContext ctx = getContext();
recordTransformedOperation(transformer.transformOperation(ctx, address, transformedOperation.getTransformedOperation()));
}
}
};
operation.get(ModelDescriptionConstants.OP_ADDR).set(address.toModelNode());
// Kick off the chain
first.transformOperation(operation, address, context);
// Create the composite operation result
return context.createOp();
}
};
}
protected AttributeTransformationDescriptionBuilderRegistry resultingRegistry(final AttributeTransformationDescriptionBuilderRegistry resourceRegistry) {
final AttributeTransformationDescriptionBuilderRegistry local = getLocalRegistry();
if(inherit) {
return AttributeTransformationDescriptionBuilderImpl.mergeRegistries(resourceRegistry, local);
}
return local;
}
@Override
protected OperationTransformationOverrideBuilder thisBuilder() {
return this;
}
}