001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.reef.webserver; 020 021import org.apache.reef.driver.evaluator.EvaluatorDescriptor; 022import org.apache.reef.tang.annotations.DefaultImplementation; 023 024import java.util.Map; 025 026/** 027 * Interface for EvaluatorListSerializer. 028 */ 029@DefaultImplementation(AvroEvaluatorListSerializer.class) 030public interface EvaluatorListSerializer { 031 /** 032 * Build AvroEvaluatorList object. 033 * 034 * @param evaluatorMap 035 * @param totalEvaluators 036 * @param startTime 037 * @return 038 */ 039 AvroEvaluatorList toAvro(final Map<String, EvaluatorDescriptor> evaluatorMap, 040 final int totalEvaluators, 041 final String startTime); 042 043 /** 044 * Convert AvroEvaluatorList to JSon string. 045 * 046 * @param avroEvaluatorList 047 * @return 048 */ 049 String toString(final AvroEvaluatorList avroEvaluatorList); 050}