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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.core.wire;
import org.apache.tuscany.spi.component.WorkContext;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.model.ServiceContract;
import org.apache.tuscany.spi.wire.IncompatibleServiceContractException;
import org.apache.tuscany.spi.wire.ProxyService;
/**
* Base class for wire service extensions
*
* @version $Rev$ $Date$
*/
public abstract class ProxyServiceExtension implements ProxyService {
protected WorkContext context;
protected ProxyServiceExtension(WorkContext context) {
this.context = context;
}
public boolean checkCompatibility(ServiceContract<?> source,
ServiceContract<?> target,
boolean ignoreCallback,
boolean silent)
throws IncompatibleServiceContractException {
if (source == target) {
// Shortcut for performance
return true;
}
if (source.isRemotable() != target.isRemotable()) {
if (!silent) {
throw new IncompatibleServiceContractException("Remotable settings do not match", source, target);
} else {
return false;
}
}
if (source.isConversational() != target.isConversational()) {
if (!silent) {
throw new IncompatibleServiceContractException("Interaction scopes do not match", source, target);
} else {
return false;
}
}
for (Operation<?> operation : source.getOperations().values()) {
Operation<?> targetOperation = target.getOperations().get(operation.getName());
if (targetOperation == null) {
if (!silent) {
throw new IncompatibleServiceContractException("Operation not found on target", source, target);
} else {
return false;
}
}
if (!operation.equals(targetOperation)) {
if (!silent) {
throw new IncompatibleServiceContractException("Target operations are not compatible", source,
target);
} else {
return false;
}
}
}
if (ignoreCallback) {
return true;
}
for (Operation<?> operation : source.getCallbackOperations().values()) {
Operation<?> targetOperation = target.getCallbackOperations().get(operation.getName());
if (targetOperation == null) {
if (!silent) {
throw new IncompatibleServiceContractException("Callback operation not found on target",
source,
target,
null,
targetOperation);
} else {
return false;
}
}
if (!operation.equals(targetOperation)) {
if (!silent) {
throw new IncompatibleServiceContractException("Target callback operation is not compatible",
source,
target,
operation,
targetOperation);
} else {
return false;
}
}
}
return true;
}
}
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