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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.embedded;
import static org.apache.tuscany.runtime.embedded.SimpleRuntimeInfo.DEFAULT_COMPOSITE;
import java.net.URI;
import java.net.URL;
import java.util.Collection;
import org.apache.tuscany.api.annotation.LogLevel;
import org.apache.tuscany.core.component.SimpleWorkContext;
import org.apache.tuscany.core.implementation.PojoWorkContextTunnel;
import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation;
import org.apache.tuscany.core.runtime.AbstractRuntime;
import org.apache.tuscany.spi.builder.BuilderException;
import org.apache.tuscany.spi.component.AtomicComponent;
import org.apache.tuscany.spi.component.Component;
import org.apache.tuscany.spi.component.ComponentException;
import org.apache.tuscany.spi.component.SCAObject;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.component.ScopeRegistry;
import org.apache.tuscany.spi.component.TargetResolutionException;
import org.apache.tuscany.spi.component.WorkContext;
import org.apache.tuscany.spi.loader.LoaderException;
import org.apache.tuscany.spi.model.ComponentDefinition;
import org.apache.tuscany.spi.model.CompositeImplementation;
import org.apache.tuscany.spi.model.Scope;
import org.apache.tuscany.spi.resolver.ResolutionException;
/**
* @version $Rev$ $Date$
*/
public class SimpleRuntimeImpl extends AbstractRuntime<SimpleRuntimeInfo> implements SimpleRuntime {
private ScopeContainer<URI> container;
public SimpleRuntimeImpl(SimpleRuntimeInfo runtimeInfo) {
super(SimpleRuntimeInfo.class);
ClassLoader hostClassLoader = ClassLoader.getSystemClassLoader();
setHostClassLoader(hostClassLoader);
setApplicationScdl(runtimeInfo.getApplicationSCDL());
setSystemScdl(runtimeInfo.getSystemSCDL());
setRuntimeInfo(runtimeInfo);
}
public interface SimpleMonitor {
@LogLevel("SEVERE")
void runError(Exception e);
}
protected Collection<Component> deployExtension(Component parent,
URI name,
URL extensionSCDL,
ClassLoader systemClassLoader) throws LoaderException,
BuilderException, ComponentException, ResolutionException {
SystemCompositeImplementation impl = new SystemCompositeImplementation();
impl.setScdlLocation(extensionSCDL);
impl.setClassLoader(systemClassLoader);
ComponentDefinition<SystemCompositeImplementation> definition
= new ComponentDefinition<SystemCompositeImplementation>(name, impl);
Collection<Component> components = getDeployer().deploy(parent, definition);
for (Component component : components) {
component.start();
}
return components;
}
@SuppressWarnings("unchecked")
public Component start() throws Exception {
initialize();
ScopeRegistry scopeRegistry = getScopeRegistry();
container = scopeRegistry.getScopeContainer(Scope.COMPOSITE);
/*
int i = 0;
for (URL ext : runtimeInfo.getExtensionSCDLs()) {
URI uri = URI.create("/extensions/extension" + (i++));
deployExtension(null, uri, ext, runtimeInfo.getClassLoader());
}
*/
CompositeImplementation impl = new CompositeImplementation();
impl.setScdlLocation(applicationScdl);
impl.setClassLoader(runtimeInfo.getClassLoader());
ComponentDefinition<CompositeImplementation> definition
= new ComponentDefinition<CompositeImplementation>(DEFAULT_COMPOSITE, impl);
Collection<Component> components = getDeployer().deploy(null, definition);
for (Component component : components) {
component.start();
}
container.startContext(DEFAULT_COMPOSITE, DEFAULT_COMPOSITE);
getWorkContext().setIdentifier(Scope.COMPOSITE, DEFAULT_COMPOSITE);
WorkContext workContext = new SimpleWorkContext();
workContext.setIdentifier(Scope.COMPOSITE, DEFAULT_COMPOSITE);
PojoWorkContextTunnel.setThreadWorkContext(workContext);
return componentManager.getComponent(definition.getUri());
}
@SuppressWarnings("deprecation")
public <T> T getSystemService(Class<T> type, String name) throws TargetResolutionException {
SCAObject child = componentManager.getComponent(URI.create(name));
if (child == null) {
return null;
}
AtomicComponent service = (AtomicComponent)child;
return type.cast(service.getTargetInstance());
}
@Override
public void destroy() {
container.stopContext(DEFAULT_COMPOSITE);
getWorkContext().setIdentifier(Scope.COMPOSITE, null);
super.destroy();
}
}
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