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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.context.impl;
import org.apache.tuscany.common.monitor.MonitorFactory;
import org.apache.tuscany.core.builder.BuilderConfigException;
import org.apache.tuscany.core.config.ConfigurationException;
import org.apache.tuscany.core.context.AggregateContext;
import org.apache.tuscany.core.context.AutowireContext;
import org.apache.tuscany.core.context.AutowireResolutionException;
import org.apache.tuscany.core.context.ConfigurationContext;
import org.apache.tuscany.core.context.EventContext;
import org.apache.tuscany.core.context.InstanceContext;
import org.apache.tuscany.core.context.QualifiedName;
import org.apache.tuscany.core.context.ScopeContext;
import org.apache.tuscany.core.context.ScopeStrategy;
import org.apache.tuscany.core.context.ServiceNotFoundException;
import org.apache.tuscany.core.context.TargetException;
import org.apache.tuscany.core.invocation.spi.ProxyFactory;
import org.apache.tuscany.core.system.annotation.Autowire;
import org.apache.tuscany.model.assembly.Extensible;
import org.osoa.sca.ModuleContext;
import org.osoa.sca.RequestContext;
import org.osoa.sca.ServiceReference;
import org.osoa.sca.ServiceUnavailableException;
/**
* The standard implementation of an aggregate context. Autowiring is performed by delegating to the parent context.
*
* @version $Rev$ $Date$
*/
public class AggregateContextImpl extends AbstractAggregateContext implements ConfigurationContext, ModuleContext {
// ----------------------------------
// Fields
// ----------------------------------
@Autowire(required = false)
private AutowireContext autowireContext;
// ----------------------------------
// Constructors
// ----------------------------------
public AggregateContextImpl() {
super();
eventContext = new EventContextImpl();
}
public AggregateContextImpl(String name, AggregateContext parent, ScopeStrategy strategy, EventContext ctx,
ConfigurationContext configCtx, MonitorFactory factory) {
super(name, parent, strategy, ctx, configCtx, factory);
}
public AggregateContextImpl(String name, AggregateContext parent, AutowireContext autowireContext, ScopeStrategy strategy,
EventContext ctx, ConfigurationContext configCtx, MonitorFactory factory) {
super(name, parent, strategy, ctx, configCtx, factory);
this.autowireContext = autowireContext;
}
// ----------------------------------
// ModuleContext methods
// ----------------------------------
private String uri;
public String getURI() {
return uri;
}
public void setURI(String uri) {
this.uri = uri;
}
public Object locateService(String qualifiedName) throws ServiceUnavailableException {
checkInit();
QualifiedName qName = new QualifiedName(qualifiedName);
ScopeContext scope = scopeIndex.get(qName.getPartName());
if (scope == null) {
throw new ServiceNotFoundException(qualifiedName);
}
InstanceContext ctx = scope.getContext(qName.getPartName());
try {
Object o = ctx.getInstance(qName, true);
if (o == null) {
throw new ServiceUnavailableException(qualifiedName);
}
return o;
} catch (TargetException e) {
e.addContextName(getName());
throw new ServiceUnavailableException(e);
}
}
public ServiceReference createServiceReference(String serviceName) {
throw new UnsupportedOperationException();
}
public RequestContext getRequestContext() {
throw new UnsupportedOperationException();
}
public ServiceReference createServiceReferenceForSession(Object self) {
throw new UnsupportedOperationException();
}
public ServiceReference createServiceReferenceForSession(Object self, String serviceName) {
throw new UnsupportedOperationException();
}
public ServiceReference newSession(String serviceName) {
throw new UnsupportedOperationException();
}
public ServiceReference newSession(String serviceName, Object sessionId) {
throw new UnsupportedOperationException();
}
// ----------------------------------
// AutowireContext methods
// ----------------------------------
public <T> T resolveInstance(Class<T> instanceInterface) throws AutowireResolutionException {
if (MonitorFactory.class.equals(instanceInterface)) {
return instanceInterface.cast(monitorFactory);
} else if (ConfigurationContext.class.equals(instanceInterface)) {
return instanceInterface.cast(this);
} else if (AutowireContext.class.equals(instanceInterface)) {
return instanceInterface.cast(this);
}
if (autowireContext != null) {
try {
return autowireContext.resolveInstance(instanceInterface);
} catch (AutowireResolutionException e) {
e.addContextName(getName());
throw e;
}
}
return null;
}
@Override
protected void registerAutowire(Extensible model) {
// this context only delegates autowiring
}
// ----------------------------------
// ConfigurationContext methods
// ----------------------------------
public void configure(Extensible model) throws ConfigurationException {
if (configurationContext != null) {
try {
configurationContext.configure(model);
} catch (ConfigurationException e) {
e.addContextName(getName());
throw e;
}
}
}
public void build(AggregateContext parent, Extensible model) throws BuilderConfigException {
if (configurationContext != null) {
try {
configurationContext.build(parent, model);
} catch (BuilderConfigException e) {
e.addContextName(getName());
throw e;
}
}
}
public void wire(ProxyFactory sourceFactory, ProxyFactory targetFactory, Class targetType, boolean downScope,
ScopeContext targetScopeContext) throws BuilderConfigException {
if (configurationContext != null) {
try {
configurationContext.wire(sourceFactory, targetFactory, targetType, downScope, targetScopeContext);
} catch (BuilderConfigException e) {
e.addContextName(getName());
throw e;
}
}
}
public void wire(ProxyFactory targetFactory, Class targetType, ScopeContext targetScopeContext) throws BuilderConfigException {
if (configurationContext != null) {
try {
configurationContext.wire(targetFactory, targetType, targetScopeContext);
} catch (BuilderConfigException e) {
e.addContextName(getName());
throw e;
}
}
}
// ----------------------------------
// InstanceContext methods
// ----------------------------------
public Object getImplementationInstance() throws TargetException {
return this;
}
public Object getImplementationInstance(boolean notify) throws TargetException {
return this;
}
}
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