| /* |
| * 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.hugegraph.job.system; |
| |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.hugegraph.HugeGraph; |
| import org.apache.hugegraph.config.CoreOptions; |
| import org.apache.hugegraph.structure.HugeElement; |
| import org.apache.hugegraph.structure.HugeIndex; |
| |
| public class JobCounters { |
| |
| private final ConcurrentHashMap<String, JobCounter> jobCounters = new ConcurrentHashMap<>(); |
| |
| public JobCounter jobCounter(HugeGraph g) { |
| int batch = g.option(CoreOptions.TASK_TTL_DELETE_BATCH); |
| String graph = g.name(); |
| if (!this.jobCounters.containsKey(graph)) { |
| this.jobCounters.putIfAbsent(graph, new JobCounter(batch)); |
| } |
| return this.jobCounters.get(graph); |
| } |
| |
| public static class JobCounter { |
| |
| private final AtomicInteger jobs; |
| private Set<HugeElement> elements; |
| private Set<HugeIndex> indexes; |
| private final int batchSize; |
| |
| public JobCounter(int batchSize) { |
| this.jobs = new AtomicInteger(0); |
| this.elements = ConcurrentHashMap.newKeySet(); |
| this.indexes = ConcurrentHashMap.newKeySet(); |
| this.batchSize = batchSize; |
| } |
| |
| public int jobs() { |
| return this.jobs.get(); |
| } |
| |
| public void decrement() { |
| this.jobs.decrementAndGet(); |
| } |
| |
| public void increment() { |
| this.jobs.incrementAndGet(); |
| } |
| |
| public Set<HugeElement> elements() { |
| return this.elements; |
| } |
| |
| public Set<HugeIndex> indexes() { |
| return this.indexes; |
| } |
| |
| public void clear(Object object) { |
| if (object instanceof HugeElement) { |
| this.elements = ConcurrentHashMap.newKeySet(); |
| } else { |
| assert object instanceof HugeIndex; |
| this.indexes = ConcurrentHashMap.newKeySet(); |
| } |
| } |
| |
| public boolean addAndTriggerDelete(Object object) { |
| return object instanceof HugeElement ? |
| addElementAndTriggerDelete((HugeElement) object) : |
| addIndexAndTriggerDelete((HugeIndex) object); |
| } |
| |
| /** |
| * Try to add element in collection waiting to be deleted |
| * |
| * @param element |
| * @return true if we should create a new delete job, false otherwise |
| */ |
| public boolean addElementAndTriggerDelete(HugeElement element) { |
| if (this.elements.size() >= this.batchSize) { |
| return true; |
| } |
| this.elements.add(element); |
| return this.elements.size() >= this.batchSize; |
| } |
| |
| /** |
| * Try to add edge in collection waiting to be deleted |
| * |
| * @param index |
| * @return true if we should create a new delete job, false otherwise |
| */ |
| public boolean addIndexAndTriggerDelete(HugeIndex index) { |
| if (this.indexes.size() >= this.batchSize) { |
| return true; |
| } |
| this.indexes.add(index); |
| return this.indexes.size() >= this.batchSize; |
| } |
| } |
| } |