/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.executor;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.HazelcastInstanceAware;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import java.io.Serializable;
import java.util.Map;
import java.util.concurrent.Callable;
class ScriptCallable implements Callable, Serializable, HazelcastInstanceAware {
private final String script;
private final Map<String, ?> map;
private transient HazelcastInstance hazelcastInstance;
ScriptCallable(String script, Map<String, ?> map) {
this.script = script;
this.map = map;
}
@Override
public Object call() {
final ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
ScriptEngine e = scriptEngineManager.getEngineByName("javascript");
if (map != null) {
for (Map.Entry<String, ?> entry : map.entrySet()) {
e.put(entry.getKey(), entry.getValue());
}
}
e.put("hazelcast", hazelcastInstance);
try {
// for new JavaScript engine called Nashorn we need the compatibility script
if (e.getFactory().getEngineName().toLowerCase().contains("nashorn")) {
e.eval("load('nashorn:mozilla_compat.js');");
}
e.eval("importPackage(java.lang);");
e.eval("importPackage(java.util);");
e.eval("importPackage(com.hazelcast.core);");
e.eval("importPackage(com.hazelcast.config);");
e.eval("importPackage(java.util.concurrent);");
e.eval("importPackage(org.junit);");
return e.eval(script);
} catch (ScriptException e1) {
throw new RuntimeException(e1);
}
}
@Override
public void setHazelcastInstance(HazelcastInstance hazelcastInstance) {
this.hazelcastInstance = hazelcastInstance;
}
}