org.apache.hadoop.record.compiler.CodeGenerator Maven / Gradle / Ivy
/**
* 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.hadoop.record.compiler;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
/**
* CodeGenerator is a Factory and a base class for Hadoop Record I/O translators.
* Different translators register creation methods with this factory.
*/
abstract class CodeGenerator {
private static HashMap generators =
new HashMap();
static {
register("c", new CGenerator());
register("c++", new CppGenerator());
register("java", new JavaGenerator());
}
static void register(String lang, CodeGenerator gen) {
generators.put(lang, gen);
}
static CodeGenerator get(String lang) {
return generators.get(lang);
}
abstract void genCode(String file,
ArrayList inclFiles,
ArrayList records,
String destDir,
ArrayList options) throws IOException;
}