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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.core.deployer;
import java.net.URI;
import java.util.Collection;
import javax.xml.stream.XMLInputFactory;
import org.osoa.sca.annotations.Reference;
import org.apache.tuscany.api.annotation.Monitor;
import org.apache.tuscany.core.resolver.AutowireResolver;
import org.apache.tuscany.spi.builder.Builder;
import org.apache.tuscany.spi.builder.BuilderException;
import org.apache.tuscany.spi.builder.BuilderInstantiationException;
import org.apache.tuscany.spi.builder.BuilderRegistry;
import org.apache.tuscany.spi.builder.Connector;
import org.apache.tuscany.spi.component.Component;
import org.apache.tuscany.spi.component.ComponentManager;
import org.apache.tuscany.spi.component.RegistrationException;
import org.apache.tuscany.spi.component.SCAObject;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.component.ScopeContainerMonitor;
import org.apache.tuscany.spi.component.ScopeRegistry;
import org.apache.tuscany.spi.deployer.Deployer;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.loader.Loader;
import org.apache.tuscany.spi.loader.LoaderException;
import org.apache.tuscany.spi.loader.LoaderRegistry;
import org.apache.tuscany.spi.model.ComponentDefinition;
import org.apache.tuscany.spi.model.Implementation;
import org.apache.tuscany.spi.model.Scope;
import org.apache.tuscany.spi.resolver.ResolutionException;
/**
* Default implementation of Deployer.
*
* @version $Rev$ $Date$
*/
public class DeployerImpl implements Deployer {
private XMLInputFactory xmlFactory;
private Loader loader;
private Builder builder;
private ScopeContainerMonitor monitor;
private AutowireResolver resolver;
private Connector connector;
private ComponentManager componentManager;
private ScopeRegistry scopeRegistry;
public DeployerImpl(XMLInputFactory xmlFactory,
Loader loader,
Builder builder,
ComponentManager componentManager,
AutowireResolver resolver,
Connector connector) {
this.xmlFactory = xmlFactory;
this.builder = builder;
this.loader = loader;
this.componentManager = componentManager;
this.resolver = resolver;
this.connector = connector;
}
public DeployerImpl() {
xmlFactory = XMLInputFactory.newInstance("javax.xml.stream.XMLInputFactory", getClass().getClassLoader());
}
@Reference
public void setBuilder(BuilderRegistry builder) {
this.builder = builder;
}
@Monitor
public void setMonitor(ScopeContainerMonitor monitor) {
this.monitor = monitor;
}
@Reference
public void setResolver(AutowireResolver resolver) {
this.resolver = resolver;
}
@Reference
public void setConnector(Connector connector) {
this.connector = connector;
}
@Reference
public void setComponentManager(ComponentManager componentManager) {
this.componentManager = componentManager;
}
@Reference
public void setScopeRegistry(ScopeRegistry scopeRegistry) {
this.scopeRegistry = scopeRegistry;
}
public <I extends Implementation<?>> Collection<Component> deploy(Component parent,
ComponentDefinition<I> componentDefinition)
throws LoaderException, BuilderException, ResolutionException {
@SuppressWarnings("unchecked")
ScopeContainer<URI> scopeContainer = scopeRegistry.getScopeContainer(Scope.COMPOSITE);
URI groupId = componentDefinition.getUri();
DeploymentContext deploymentContext =
new RootDeploymentContext(null, null, groupId, xmlFactory, scopeContainer, false);
// load the model
load(parent, componentDefinition, deploymentContext);
// resolve autowires
resolver.resolve(null, componentDefinition);
// build runtime artifacts
build(parent, componentDefinition, deploymentContext);
/*
// create a listener so the scope container is shutdown when the top-level composite stops
RuntimeEventListener listener = new RuntimeEventListener() {
public void onEvent(Event event) {
scopeContainer.onEvent(event);
if (event instanceof ComponentStop) {
scopeContainer.stop();
}
}
};
component.addListener(listener);
*/
Collection<Component> components = deploymentContext.getComponents().values();
for (Component toRegister : components) {
try {
componentManager.register(toRegister);
} catch (RegistrationException e) {
throw new BuilderInstantiationException("Error registering component", e);
}
}
connector.connect(componentDefinition);
return components;
}
/**
* Load the componentDefinition type information for the componentDefinition being deployed. For a typical
* deployment this will result in the SCDL definition being loaded.
*
* @param componentDefinition the componentDefinition being deployed
* @param deploymentContext the current deployment context
*/
protected <I extends Implementation<?>> void load(Component parent,
ComponentDefinition<I> componentDefinition,
DeploymentContext deploymentContext) throws LoaderException {
loader.loadComponentType(componentDefinition.getImplementation(), deploymentContext);
}
/**
* Build the runtime context for a loaded componentDefinition.
*
* @param parent the context that will be the parent of the new sub-context
* @param componentDefinition the componentDefinition being deployed
* @param deploymentContext the current deployment context
* @return the new runtime context
*/
protected <I extends Implementation<?>> SCAObject build(Component parent,
ComponentDefinition<I> componentDefinition,
DeploymentContext deploymentContext)
throws BuilderException {
return builder.build(componentDefinition, deploymentContext);
}
/**
* @return the builder
*/
public Builder getBuilder() {
return builder;
}
/**
* @return the loader
*/
public Loader getLoader() {
return loader;
}
}
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