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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.sca.core.assembly.impl;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import org.apache.tuscany.sca.assembly.impl.EndpointImpl;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.core.assembly.EndpointSerializer;
/**
* Runtime model for Endpoint that supports java serialization
*/
public class RuntimeEndpointImpl extends EndpointImpl implements Externalizable {
private EndpointSerializer serializer;
private String xml;
/**
* No-arg constructor for Java serilization
*/
public RuntimeEndpointImpl() {
super(null);
}
public RuntimeEndpointImpl(ExtensionPointRegistry registry) {
super(registry);
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
this.uri = in.readUTF();
this.xml = in.readUTF();
// Defer the loading to resolve();
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeUTF(getURI());
out.writeUTF(getSerializer().write(this));
}
private synchronized EndpointSerializer getSerializer() {
if (serializer == null) {
if (registry != null) {
serializer =
registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(EndpointSerializer.class);
} else {
throw new IllegalStateException("No extension registry is set");
}
}
return serializer;
}
@Override
protected void reset() {
super.reset();
this.xml = null;
}
@Override
protected void resolve() {
if (component == null && xml != null) {
try {
getSerializer().read(this, xml);
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
super.resolve();
}
@Override
public void setExtensionPointRegistry(ExtensionPointRegistry registry) {
if (this.registry != registry) {
super.setExtensionPointRegistry(registry);
serializer = null;
}
// resolve();
}
}
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