/*
* 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.container.groovy;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.tuscany.spi.ObjectCreationException;
import org.apache.tuscany.spi.ObjectFactory;
import org.apache.tuscany.spi.component.TargetException;
import org.apache.tuscany.spi.extension.AtomicComponentExtension;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.wire.InboundWire;
import org.apache.tuscany.spi.wire.OutboundWire;
import org.apache.tuscany.spi.wire.TargetInvoker;
import groovy.lang.GroovyObject;
/**
* The Groovy atomic component implementation. Groovy implementations may be "scripts" or classes.
*/
public class GroovyAtomicComponent extends AtomicComponentExtension {
private final Class<? extends GroovyObject> groovyClass;
private final List<Class<?>> services;
//FIXME properties should move up to AtomicComponentExtension
private final Map<String, ObjectFactory> properties;
private AsyncMonitor monitor;
public GroovyAtomicComponent(GroovyConfiguration configuration, AsyncMonitor monitor) {
super(configuration.getName(),
configuration.getParent(),
configuration.getScopeContainer(),
configuration.getWireService(),
configuration.getWorkContext(),
null, configuration.getInitLevel());
this.groovyClass = configuration.getGroovyClass();
this.services = Collections.unmodifiableList(configuration.getServices());
this.properties = new HashMap<String, ObjectFactory>();
assert groovyClass != null;
this.monitor = monitor;
}
public List<Class<?>> getServiceInterfaces() {
return services;
}
public TargetInvoker createTargetInvoker(String targetName, Operation operation) {
return new GroovyInvoker(operation.getName(), this);
}
public TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation) {
return new AsyncGroovyInvoker(operation.getName(), wire, this, monitor, workContext);
}
public Object createInstance() throws ObjectCreationException {
GroovyObject instance;
try {
instance = groovyClass.newInstance();
} catch (IllegalAccessException e) {
throw new ObjectCreationException(e);
} catch (InstantiationException e) {
throw new ObjectCreationException(e);
}
// inject properties
for (Map.Entry<String, ObjectFactory> property : properties.entrySet()) {
instance.setProperty(property.getKey(), property.getValue().getInstance());
}
// inject references
for (List<OutboundWire> referenceWires : getOutboundWires().values()) {
for (OutboundWire wire : referenceWires) {
instance.setProperty(wire.getReferenceName(), wireService.createProxy(wire));
}
}
return instance;
}
public GroovyObject getTargetInstance() throws TargetException {
return (GroovyObject) scopeContainer.getInstance(this);
}
public Object getServiceInstance() throws TargetException {
//TODO this should return a default service from a wire
return scopeContainer.getInstance(this);
}
public Object getServiceInstance(String service) throws TargetException {
InboundWire wire = getInboundWire(service);
if (wire == null) {
TargetException e = new TargetException("ServiceDefinition not found"); // TODO better error message
e.setIdentifier(service);
throw e;
}
return wireService.createProxy(wire);
}
public void addPropertyFactory(String name, ObjectFactory<?> factory) {
properties.put(name, factory);
}
}