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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.implementation.scala.provider;
import org.apache.tuscany.sca.implementation.scala.util.ScalaEngine;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
public class ScalaInvoker implements Invoker {
private Operation operation;
private ScalaEngine scalaEngine;
public ScalaInvoker(ScalaEngine scalaEngine, Operation operation) {
this.operation = operation;
this.scalaEngine = scalaEngine;
}
private Object doInvoke(Object[] objects, Operation op) throws Exception {
Operation oper = operation; // static setting
if (oper.getName() == null) { // if no static setting
oper = op; // use dynamic setting
}
Object response;
response = scalaEngine.invokeFunction(oper.getName(), objects);
return response;
}
@Override
public Message invoke(Message msg) {
try {
Object resp = doInvoke((Object[])msg.getBody(), msg.getOperation());
msg.setBody(resp);
} catch (Exception e) {
msg.setFaultBody(e.getCause());
}
return msg;
}
}
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