com.hazelcast.internal.adapter.TransactionalMapDataStructureAdapter Maven / Gradle / Ivy

/*
 * Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed 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 com.hazelcast.internal.adapter;

import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.ICompletableFuture;
import com.hazelcast.core.IMap;
import com.hazelcast.core.TransactionalMap;
import com.hazelcast.monitor.LocalMapStats;
import com.hazelcast.query.Predicate;
import com.hazelcast.transaction.TransactionContext;

import javax.cache.expiry.ExpiryPolicy;
import javax.cache.integration.CompletionListener;
import javax.cache.processor.EntryProcessor;
import javax.cache.processor.EntryProcessorException;
import javax.cache.processor.EntryProcessorResult;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

@SuppressWarnings("checkstyle:methodcount")
public class TransactionalMapDataStructureAdapter implements DataStructureAdapter {

    private final HazelcastInstance hazelcastInstance;
    private final String name;

    private TransactionContext transactionContext;
    private TransactionalMap transactionalMap;

    public TransactionalMapDataStructureAdapter(HazelcastInstance hazelcastInstance, String name) {
        this.hazelcastInstance = hazelcastInstance;
        this.name = name;
    }

    @Override
    public int size() {
        begin();
        int size = transactionalMap.size();
        commit();
        return size;
    }

    @Override
    public V get(K key) {
        begin();
        V value = transactionalMap.get(key);
        commit();
        return value;
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture getAsync(K key) {
        throw new MethodNotAvailableException();
    }

    @Override
    public void set(K key, V value) {
        begin();
        transactionalMap.put(key, value);
        commit();
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture setAsync(K key, V value) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture setAsync(K key, V value, long ttl, TimeUnit timeunit) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture setAsync(K key, V value, ExpiryPolicy expiryPolicy) {
        throw new MethodNotAvailableException();
    }

    @Override
    public V put(K key, V value) {
        begin();
        V oldValue = transactionalMap.put(key, value);
        commit();
        return oldValue;
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture putAsync(K key, V value) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture putAsync(K key, V value, long ttl, TimeUnit timeunit) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture putAsync(K key, V value, ExpiryPolicy expiryPolicy) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void putTransient(K key, V value, long ttl, TimeUnit timeunit) {
        throw new MethodNotAvailableException();
    }

    @Override
    public boolean putIfAbsent(K key, V value) {
        begin();
        V oldValue = transactionalMap.putIfAbsent(key, value);
        commit();
        return oldValue == null;
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture putIfAbsentAsync(K key, V value) {
        throw new MethodNotAvailableException();
    }

    @Override
    public V replace(K key, V newValue) {
        begin();
        V oldValue = transactionalMap.replace(key, newValue);
        commit();
        return oldValue;
    }

    @Override
    public boolean replace(K key, V oldValue, V newValue) {
        begin();
        boolean result = transactionalMap.replace(key, oldValue, newValue);
        commit();
        return result;
    }

    @Override
    public V remove(K key) {
        begin();
        V oldValue = transactionalMap.remove(key);
        commit();
        return oldValue;
    }

    @Override
    public boolean remove(K key, V oldValue) {
        begin();
        boolean result = transactionalMap.remove(key, oldValue);
        commit();
        return result;
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture removeAsync(K key) {
        throw new MethodNotAvailableException();
    }

    @Override
    public void delete(K key) {
        begin();
        transactionalMap.delete(key);
        commit();
    }

    @Override
    @MethodNotAvailable
    public ICompletableFuture deleteAsync(K key) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public boolean evict(K key) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public  T invoke(K key, EntryProcessor entryProcessor, Object... arguments) throws EntryProcessorException {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public Object executeOnKey(K key, com.hazelcast.map.EntryProcessor entryProcessor) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public Map executeOnKeys(Set keys, com.hazelcast.map.EntryProcessor entryProcessor) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public Map executeOnEntries(com.hazelcast.map.EntryProcessor entryProcessor) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public Map executeOnEntries(com.hazelcast.map.EntryProcessor entryProcessor, Predicate predicate) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public Map getAll(Set keys) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void putAll(Map map) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void removeAll() {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void removeAll(Set keys) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void evictAll() {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public  Map> invokeAll(Set keys, EntryProcessor entryProcessor,
                                                         Object... arguments) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void clear() {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void close() {
        throw new MethodNotAvailableException();
    }

    @Override
    public void destroy() {
        begin();
        transactionalMap.destroy();
        commit();
    }

    @Override
    @MethodNotAvailable
    public LocalMapStats getLocalMapStats() {
        throw new MethodNotAvailableException();
    }

    @Override
    public boolean containsKey(K key) {
        begin();
        boolean result = transactionalMap.containsKey(key);
        commit();
        return result;
    }

    @Override
    @MethodNotAvailable
    public void loadAll(boolean replaceExistingValues) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void loadAll(Set keys, boolean replaceExistingValues) {
        throw new MethodNotAvailableException();
    }

    @Override
    @MethodNotAvailable
    public void loadAll(Set keys, boolean replaceExistingValues, CompletionListener completionListener) {
        throw new MethodNotAvailableException();
    }

    public IMap getMap() {
        return hazelcastInstance.getMap(name);
    }

    private void begin() {
        transactionContext = hazelcastInstance.newTransactionContext();
        transactionContext.beginTransaction();
        transactionalMap = transactionContext.getMap(name);
    }

    private void commit() {
        transactionContext.commitTransaction();
        transactionContext = null;
        transactionalMap = null;
    }
}