73 lines
2.0 KiB
Java
73 lines
2.0 KiB
Java
/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.conaco;
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import com.hippo.yorozuya.collect.Multimap;
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import com.hippo.yorozuya.collect.SparseILArray;
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import java.util.List;
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class Register<V> {
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private final SparseILArray<ConacoTask<V>> mIdMap = new SparseILArray<>();
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private final Multimap<String, ConacoTask<V>> mKeyMap = Multimap.create();
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/**
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* @return true for the key is already registered
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*/
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public synchronized boolean register(int id, ConacoTask<V> task) {
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boolean repeatedKey = false;
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String taskKey = task.getKey();
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// For no-key task, there no need to check
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if (taskKey != null) {
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repeatedKey = mKeyMap.countElements(taskKey) != 0;
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}
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// Append task
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mKeyMap.putElement(taskKey, task);
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mIdMap.append(id, task);
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return repeatedKey;
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}
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public synchronized ConacoTask<V> unregister(int id) {
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ConacoTask<V> task = mIdMap.remove(id);
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if (task != null) {
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mKeyMap.removeElement(task.getKey(), task);
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}
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return task;
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}
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public synchronized boolean contain(int id) {
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return mIdMap.indexOfKey(id) >= 0;
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}
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public synchronized ConacoTask<V> getByKey(String key) {
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if (key == null) {
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return null;
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}
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List<ConacoTask<V>> list = mKeyMap.get(key);
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if (list != null && list.size() > 0) {
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return list.get(0);
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} else {
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return null;
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}
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}
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}
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