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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.runtime.standalone.host;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.net.URL;
import java.util.Collection;
import java.util.Map;
import org.apache.tuscany.api.annotation.LogLevel;
import org.apache.tuscany.core.implementation.PojoWorkContextTunnel;
import org.apache.tuscany.core.monitor.JavaLoggingMonitorFactory;
import org.apache.tuscany.core.runtime.AbstractRuntime;
import org.apache.tuscany.core.component.SimpleWorkContext;
import org.apache.tuscany.runtime.standalone.StandaloneRuntime;
import org.apache.tuscany.runtime.standalone.StandaloneRuntimeInfo;
import org.apache.tuscany.runtime.standalone.host.implementation.launched.Launched;
import org.apache.tuscany.spi.component.Component;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.component.ScopeRegistry;
import org.apache.tuscany.spi.component.TargetInvokerCreationException;
import org.apache.tuscany.spi.component.WorkContext;
import org.apache.tuscany.spi.implementation.java.JavaMappedService;
import org.apache.tuscany.spi.implementation.java.PojoComponentType;
import org.apache.tuscany.spi.model.ComponentDefinition;
import org.apache.tuscany.spi.model.CompositeComponentType;
import org.apache.tuscany.spi.model.CompositeImplementation;
import org.apache.tuscany.spi.model.Implementation;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.model.Scope;
import org.apache.tuscany.spi.wire.TargetInvoker;
/**
* @version $Rev$ $Date$
*/
public class StandaloneRuntimeImpl extends AbstractRuntime<StandaloneRuntimeInfo> implements StandaloneRuntime {
JavaLoggingMonitorFactory monitorFactory;
StandaloneMonitor monitor;
public StandaloneRuntimeImpl() {
super(StandaloneRuntimeInfo.class);
monitorFactory = new JavaLoggingMonitorFactory();
setMonitorFactory(monitorFactory);
monitor = monitorFactory.getMonitor(StandaloneMonitor.class);
}
/**
* Deploys the specified application SCDL and runs the lauched component within the deployed composite.
*
* @param applicationScdl Application SCDL that implements the composite.
* @param applicationClassLoader Classloader used to deploy the composite.
* @param args Arguments to be passed to the lauched component.
* @deprecated This is a hack for deployment and should be removed.
*/
public int deployAndRun(URL applicationScdl, ClassLoader applicationClassLoader, String[] args) throws Exception {
URI compositeUri = new URI("/test/composite");
URI compositeBase = new URI("/test/composite/");
CompositeImplementation impl = new CompositeImplementation();
impl.setScdlLocation(applicationScdl);
impl.setClassLoader(applicationClassLoader);
ComponentDefinition<CompositeImplementation> definition =
new ComponentDefinition<CompositeImplementation>(compositeUri, impl);
try {
Collection<Component> components = getDeployer().deploy(null, definition);
for (Component component : components) {
component.start();
}
ScopeRegistry scopeRegistry = getScopeRegistry();
ScopeContainer<URI> container = scopeRegistry.getScopeContainer(Scope.COMPOSITE);
container.startContext(compositeUri, compositeUri);
getWorkContext().setIdentifier(Scope.COMPOSITE, compositeUri);
WorkContext workContext = new SimpleWorkContext();
workContext.setIdentifier(Scope.COMPOSITE, compositeUri);
PojoWorkContextTunnel.setThreadWorkContext(workContext);
try {
return run(impl, args, compositeBase, workContext);
} finally {
container.stopContext(compositeUri);
getWorkContext().setIdentifier(Scope.COMPOSITE, null);
}
} catch (Exception e) {
monitor.runError(e);
}
return -1;
}
private int run(CompositeImplementation impl, String[] args, URI compositeUri, WorkContext workContext) throws Exception {
CompositeComponentType<?, ?, ?> componentType = impl.getComponentType();
Map<String, ComponentDefinition<? extends Implementation<?>>> components = componentType.getComponents();
for (Map.Entry<String, ComponentDefinition<? extends Implementation<?>>> entry : components.entrySet()) {
String name = entry.getKey();
ComponentDefinition<? extends Implementation<?>> launchedDefinition = entry.getValue();
Implementation implementation = launchedDefinition.getImplementation();
if (implementation.getClass().isAssignableFrom(Launched.class)) {
return run(compositeUri.resolve(name), implementation, args, workContext);
}
}
return -1;
}
private int run(URI componentUri, Implementation implementation, String[] args, WorkContext workContext)
throws TargetInvokerCreationException, InvocationTargetException {
Launched launched = (Launched) implementation;
PojoComponentType launchedType = launched.getComponentType();
Map services = launchedType.getServices();
JavaMappedService testService = (JavaMappedService) services.get("main");
Operation<?> operation = testService.getServiceContract().getOperations().get("main");
Component component = getComponentManager().getComponent(componentUri);
TargetInvoker targetInvoker = component.createTargetInvoker("main", operation);
Object result = targetInvoker.invokeTarget(new Object[]{args}, TargetInvoker.NONE, workContext);
try {
return int.class.cast(result);
} catch (ClassCastException e) {
return 0;
}
}
public interface StandaloneMonitor {
@LogLevel("SEVERE")
void runError(Exception e);
}
}
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