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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.persistence.datasource;
import java.net.URI;
import java.util.List;
import org.apache.tuscany.spi.ObjectCreationException;
import org.apache.tuscany.spi.component.InstanceWrapper;
import org.apache.tuscany.spi.component.TargetDestructionException;
import org.apache.tuscany.spi.component.TargetInvokerCreationException;
import org.apache.tuscany.spi.component.TargetResolutionException;
import org.apache.tuscany.spi.extension.AtomicComponentExtension;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.model.physical.PhysicalOperationDefinition;
import org.apache.tuscany.spi.wire.TargetInvoker;
import org.apache.tuscany.spi.wire.Wire;
/**
* A system component that creates <code>DataSource</code> instances. The component uses a {@link ProviderObjectFactory}
* to instantiate the actual <code>DataSource</code>
*
* @version $Rev$ $Date$
*/
public class DataSourceComponent extends AtomicComponentExtension {
private ProviderObjectFactory instanceFactory;
/**
* Creates a <code>DataSourceComponent</code>
*
* @param uri the uri of the component
* @param instanceFactory the provider factory
* @param initLevel the initialization level
*/
public DataSourceComponent(URI uri,
ProviderObjectFactory instanceFactory,
int initLevel) {
super(uri, null, null, initLevel, -1, -1);
this.instanceFactory = instanceFactory;
}
public InstanceWrapper<?> createInstanceWrapper() throws ObjectCreationException {
return null;
}
public Object createInstance() throws ObjectCreationException {
return instanceFactory.getInstance();
}
public Object getTargetInstance() throws TargetResolutionException {
return null;
}
public Object getAssociatedTargetInstance() throws TargetResolutionException {
return null;
}
public void destroy(Object instance) throws TargetDestructionException {
if (instance instanceof DataSourceProvider) {
try {
((DataSourceProvider) instance).close();
} catch (ProviderException e) {
throw new DataSourceCloseException("Error closing data source provider", e);
}
}
}
public List<Wire> getWires(String name) {
return null;
}
public void attachCallbackWire(Wire wire) {
}
public void attachWire(Wire wire) {
}
public void attachWires(List<Wire> wires) {
}
public TargetInvoker createTargetInvoker(String targetName, Operation operation)
throws TargetInvokerCreationException {
return null;
}
public TargetInvoker createTargetInvoker(String targetName, PhysicalOperationDefinition operation)
throws TargetInvokerCreationException {
return null;
}
}
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