package com.airhacks.enhydrator.transform;
/*
* #%L
* enhydrator
* %%
* Copyright (C) 2014 Adam Bien
* %%
* 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.
* #L%
*/
import com.airhacks.enhydrator.in.Row;
import javax.script.Bindings;
import javax.script.ScriptEngineManager;
/**
*
* @author airhacks.com
*/
public class ScriptingEnvironmentProvider {
public static Bindings create(ScriptEngineManager scriptEngineManager, Row input) {
Bindings bindings = scriptEngineManager.getBindings();
bindings.put("$ROW", input);
final Row emptyRow = new Row();
emptyRow.useMemory(input.getMemory());
bindings.put("$EMPTY", emptyRow);
bindings.put("$MEMORY", input.getMemory());
input.getColumns().forEach(c -> bindings.put(c.getName(), c));
return bindings;
}
}