/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.console.mbui.bootstrap;
import com.google.gwt.user.client.rpc.AsyncCallback;
import org.jboss.as.console.mbui.model.StereoTypes;
import org.jboss.as.console.mbui.model.mapping.AddressMapping;
import org.jboss.as.console.mbui.model.mapping.DMRMapping;
import org.jboss.dmr.client.ModelNode;
import org.jboss.dmr.client.dispatch.DispatchAsync;
import org.jboss.dmr.client.dispatch.impl.DMRAction;
import org.jboss.dmr.client.dispatch.impl.DMRResponse;
import org.useware.kernel.gui.behaviour.FilteringStatementContext;
import org.useware.kernel.gui.behaviour.InteractionCoordinator;
import org.useware.kernel.gui.behaviour.StatementContext;
import org.useware.kernel.gui.reification.Context;
import org.useware.kernel.gui.reification.ContextKey;
import org.useware.kernel.model.Dialog;
import org.useware.kernel.model.behaviour.Resource;
import org.useware.kernel.model.behaviour.ResourceType;
import org.useware.kernel.model.structure.Container;
import org.useware.kernel.model.structure.InteractionUnit;
import org.useware.kernel.model.structure.QName;
import org.useware.kernel.model.structure.Trigger;
import org.useware.kernel.model.structure.builder.InteractionUnitVisitor;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.jboss.dmr.client.ModelDescriptionConstants.*;
import static org.useware.kernel.model.mapping.MappingType.DMR;
/**
*
* Reads the operation meta data associated to {@link Trigger} units.
*
* @author Heiko Braun
* @date 11/12/2012
*/
public class ReadOperationDescriptions extends ReificationBootstrap
{
final DispatchAsync dispatcher;
private static final QName RESOURCE_OP = QName.valueOf("org.jboss.as:resource-operation");
public ReadOperationDescriptions(final DispatchAsync dispatcher)
{
super("read operation description");
this.dispatcher = dispatcher;
}
@Override
public void prepare(final Dialog dialog, final Context context)
{
throw new UnsupportedOperationException("Only async preparation is supported");
}
@Override
public void prepareAsync(final Dialog dialog, final Context context, final Callback callback)
{
assert dialog != null && context != null && callback != null : "Interaction unit, context and callback must be present";
final CollectOperationsVisitor visitor = new CollectOperationsVisitor(context);
dialog.getInterfaceModel().accept(visitor);
ModelNode compsite = new ModelNode();
compsite.get(OP).set(COMPOSITE);
compsite.get(ADDRESS).setEmptyList();
compsite.get(STEPS).set(visitor.steps);
dispatcher.execute(new DMRAction(compsite), new AsyncCallback<DMRResponse>()
{
@Override
public void onFailure(final Throwable caught)
{
// In some case the retrieval fails due to lack of permissions to read the meta data (addressable=false)
callback.onError(new RuntimeException("Failed to read operation descriptions",caught));
}
@Override
public void onSuccess(final DMRResponse result)
{
ModelNode response = result.get();
if(!response.isFailure())
{
// evaluate step responses
for (String step : visitor.stepReference.keySet())
{
ModelNode stepResponse = response.get(RESULT).get(step);
if (!context.has(ContextKey.OPERATION_DESCRIPTIONS))
{
context.set(ContextKey.OPERATION_DESCRIPTIONS, new HashMap<QName, ModelNode>());
}
Resource<ResourceType> output = visitor.stepReference.get(step);
ModelNode operationMetaData = stepResponse.get(RESULT);
context.<Map>get(ContextKey.OPERATION_DESCRIPTIONS).put(output.getId(), operationMetaData);
//System.out.println(output.getId() + " > " + operationMetaData);
}
callback.onSuccess();
}
else
{
callback.onError(new RuntimeException("ReadOperationDescriptions failed: "+response.getFailureDescription()));
}
}
});
}
class CollectOperationsVisitor implements InteractionUnitVisitor<StereoTypes>
{
final Context context;
List<ModelNode> steps = new ArrayList<ModelNode>();
Set<QName> resolvedOperations = new HashSet<QName>();
Map<String, Resource<ResourceType>> stepReference = new HashMap<String, Resource<ResourceType>>();
public CollectOperationsVisitor(final Context context)
{
this.context = context;
}
@Override
public void startVisit(final Container container)
{
// ignore
}
@Override
public void visit(final InteractionUnit<StereoTypes> interactionUnit)
{
if(interactionUnit instanceof Trigger
&& interactionUnit.doesProduce())
addStep((Trigger) interactionUnit);
}
@Override
public void endVisit(final Container container)
{
// noop
}
private void addStep(Trigger<StereoTypes> interactionUnit)
{
InteractionCoordinator coordinator = context.get(ContextKey.COORDINATOR);
final StatementContext statementContext = coordinator.getDialogState().getContext(interactionUnit.getId());
assert statementContext != null : "StatementContext not provided";
assert interactionUnit.doesProduce();
Resource<ResourceType> output = interactionUnit.getOutputs().iterator().next();
// skip unqualified trigger that don't point to a resource operation
if(!output.getId().equalsIgnoreSuffix(RESOURCE_OP))
return;
String operationName = output.getId().getSuffix();
if(operationName==null)
throw new IllegalArgumentException("Illegal operation name mapping: "+ output.getId()+ " (suffix required)");
DMRMapping mapping = interactionUnit.findMapping(DMR);
String address = mapping.getResolvedAddress();
if (!resolvedOperations.contains(output.getId()))
{
AddressMapping addressMapping = AddressMapping.fromString(address);
ModelNode op = addressMapping.asResource(new FilteringStatementContext(
statementContext,
new FilteringStatementContext.Filter() {
@Override
public String filter(String key) {
if("selected.entity".equals(key))
return "*";
else
return null;
}
@Override
public String[] filterTuple(String key) {
return null;
}
}
) {
});
op.get(OP).set(READ_OPERATION_DESCRIPTION_OPERATION);
op.get(NAME).set(operationName);
steps.add(op);
resolvedOperations.add(output.getId());
stepReference.put("step-" + steps.size(), output);
}
}
}
}