com.sangupta.dryrun.redis.DryRunRedisTemplate.java Source code

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Here is the source code for com.sangupta.dryrun.redis.DryRunRedisTemplate.java

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/**
 *
 * DryRun - Mocked classes for unit testing
 * Copyright (c) 2016, Sandeep Gupta
 * 
 * http://sangupta.com/projects/dryrun
 * 
 * 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.sangupta.dryrun.redis;

import java.util.Collection;

import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.HyperLogLogOperations;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.SetOperations;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import com.sangupta.dryredis.DryRedis;

/**
 * An implementation of the {@link RedisTemplate} that uses {@link MockJedis} to
 * mock actual <b>Jedis</b> connections - thus helping with tests that can run
 * purely in-memory.
 * 
 * @author sangupta
 *
 * @param <K>
 *            the type of keys to be stored in redis
 * 
 * @param <V>
 *            the type of values to be stored in redis
 */
public class DryRunRedisTemplate<K, V> extends RedisTemplate<K, V> {

    final DryRedis dryRedis;

    final DryRedisBridge bridge;

    RedisSerializer<K> keySerializer;

    RedisSerializer<V> valueSerializer;

    RedisSerializer<String> stringSerializer = new StringRedisSerializer();

    private final OpsForValue<K, V> opsForValue;

    private final OpsForSet<K, V> opsForSet;

    private final OpsForList<K, V> opsForList;

    private final OpsForHyperLogLog<K, V> opsForHyperLogLog;

    public DryRunRedisTemplate(DryRedis dryRedis) {
        this.dryRedis = dryRedis;
        this.bridge = new DryRedisBridge(dryRedis);

        this.opsForValue = new OpsForValue<K, V>(this);
        this.opsForSet = new OpsForSet<K, V>(this);
        this.opsForList = new OpsForList<K, V>(this);
        this.opsForHyperLogLog = new OpsForHyperLogLog<K, V>(this);
    }

    @Override
    public Boolean hasKey(K key) {
        byte[] keyBytes = this.keySerializer.serialize(key);
        return this.bridge.exists(keyBytes);
    }

    @Override
    public void delete(K key) {
        byte[] keyBytes = this.keySerializer.serialize(key);
        this.bridge.del(keyBytes);
    }

    @Override
    public void delete(Collection<K> keys) {
        for (K key : keys) {
            this.delete(key);
        }
    }

    // Usual getters that are meant for RedisTemplate options

    @Override
    public ValueOperations<K, V> opsForValue() {
        return this.opsForValue;
    }

    @Override
    public SetOperations<K, V> opsForSet() {
        return this.opsForSet;
    }

    @Override
    public ListOperations<K, V> opsForList() {
        return this.opsForList;
    }

    @Override
    public HyperLogLogOperations<K, V> opsForHyperLogLog() {
        return this.opsForHyperLogLog;
    }

    @Override
    public <HK, HV> HashOperations<K, HK, HV> opsForHash() {
        // TODO Auto-generated method stub
        return super.opsForHash();
    }

    // Usual setters

    @Override
    @SuppressWarnings("unchecked")
    public void setKeySerializer(RedisSerializer<?> serializer) {
        keySerializer = (RedisSerializer<K>) serializer;
    }

    @Override
    @SuppressWarnings("unchecked")
    public void setValueSerializer(RedisSerializer<?> serializer) {
        valueSerializer = (RedisSerializer<V>) serializer;
    }

    @Override
    public void setStringSerializer(RedisSerializer<String> stringSerializer) {
        this.stringSerializer = stringSerializer;
    }

}