/*
* 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.sca.implementation.widget;
import java.net.URL;
import java.util.Collections;
import java.util.List;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.ConstrainingType;
import org.apache.tuscany.sca.assembly.Implementation;
import org.apache.tuscany.sca.assembly.Property;
import org.apache.tuscany.sca.assembly.Reference;
import org.apache.tuscany.sca.assembly.Service;
import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
/**
* The model representing a widget implementation in an SCA assembly model.
*/
public class WidgetImplementation implements Implementation {
private AssemblyFactory assemblyFactory;
private Service widgetService;
private List<Reference> references = null;
private String location;
private URL url;
private boolean unresolved;
/**
* Constructs a new resource implementation.
*/
WidgetImplementation(AssemblyFactory assemblyFactory,
JavaInterfaceFactory javaFactory) {
this.assemblyFactory = assemblyFactory;
// Resource implementation always provide a single service exposing
// the Resource interface, and have no references and properties
widgetService = assemblyFactory.createService();
widgetService.setName("Widget");
// Create the Java interface contract for the Resource service
JavaInterface javaInterface;
try {
javaInterface = javaFactory.createJavaInterface(Widget.class);
} catch (InvalidInterfaceException e) {
throw new IllegalArgumentException(e);
}
JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
interfaceContract.setInterface(javaInterface);
widgetService.setInterfaceContract(interfaceContract);
}
public String getLocation() {
return location;
}
public void setLocation(String location) {
this.location = location;
}
public URL getLocationURL() {
return url;
}
public void setLocationURL(URL url) {
this.url = url;
}
public ConstrainingType getConstrainingType() {
// The resource implementation does not support constrainingTypes
return null;
}
public List<Property> getProperties() {
// The resource implementation does not support properties
return Collections.emptyList();
}
public List<Service> getServices() {
// The resource implementation does not support services
return Collections.singletonList(widgetService);
}
public List<Reference> getReferences() {
if(this.references == null) {
WidgetImplementationIntrospector widgetIntrospector = new WidgetImplementationIntrospector(assemblyFactory, this);
references = widgetIntrospector.getReferences();
}
return references;
}
public String getURI() {
return location;
}
public void setConstrainingType(ConstrainingType constrainingType) {
// The resource implementation does not support constrainingTypes
}
public void setURI(String uri) {
this.location = uri;
}
public boolean isUnresolved() {
return unresolved;
}
public void setUnresolved(boolean unresolved) {
this.unresolved = unresolved;
}
}