001/*
002 * (C) Copyright 2017 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bdelbosc
018 */
019package org.nuxeo.ecm.platform.importer.mqueues.computation;
020
021import java.util.HashMap;
022import java.util.Map;
023
024/**
025 * Enable to configure the stream partitioning and computation concurrency.
026 *
027 * @since 9.2
028 */
029public class Settings {
030    private final int defaultConcurrency;
031    private final int defaultPartitions;
032    private final Map<String, Integer> concurrences = new HashMap<>();
033    private final Map<String, Integer> partitions = new HashMap<>();
034
035    public Settings(int defaultConcurrency, int defaultPartitions) {
036        this.defaultConcurrency = defaultConcurrency;
037        this.defaultPartitions = defaultPartitions;
038    }
039
040    public Settings setConcurrency(String computationName, int concurrency) {
041        concurrences.put(computationName, concurrency);
042        return this;
043    }
044
045    public int getConcurrency(String computationName) {
046        return concurrences.getOrDefault(computationName, defaultConcurrency);
047    }
048
049    public Settings setPartitions(String streamName, int partitions) {
050        this.partitions.put(streamName, partitions);
051        return this;
052    }
053
054    public int getPartitions(String streamName) {
055        return partitions.getOrDefault(streamName, defaultPartitions);
056    }
057
058}
059