/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.elasticsearch.script;
import org.elasticsearch.ElasticSearchIllegalArgumentException;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.collect.ImmutableMap;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.search.lookup.SearchLookup;
import java.util.Map;
/**
* A native script engine service.
*/
public class NativeScriptEngineService extends AbstractComponent implements ScriptEngineService {
private final ImmutableMap<String, NativeScriptFactory> scripts;
@Inject public NativeScriptEngineService(Settings settings, Map<String, NativeScriptFactory> scripts) {
super(settings);
this.scripts = ImmutableMap.copyOf(scripts);
}
@Override public String[] types() {
return new String[]{"native"};
}
@Override public String[] extensions() {
return new String[0];
}
@Override public Object compile(String script) {
NativeScriptFactory scriptFactory = scripts.get(script);
if (scriptFactory != null) {
return scriptFactory;
}
throw new ElasticSearchIllegalArgumentException("Native script [" + script + "] not found");
}
@Override public ExecutableScript executable(Object compiledScript, @Nullable Map<String, Object> vars) {
NativeScriptFactory scriptFactory = (NativeScriptFactory) compiledScript;
return scriptFactory.newScript(vars);
}
@Override public SearchScript search(Object compiledScript, SearchLookup lookup, @Nullable Map<String, Object> vars) {
NativeScriptFactory scriptFactory = (NativeScriptFactory) compiledScript;
AbstractSearchScript script = (AbstractSearchScript) scriptFactory.newScript(vars);
script.setLookup(lookup);
return script;
}
@Override public Object execute(Object compiledScript, Map<String, Object> vars) {
return executable(compiledScript, vars).run();
}
@Override public Object unwrap(Object value) {
return value;
}
@Override public void close() {
}
}