/*
* Copyright 2017 the original author or authors.
*
* 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 org.springframework.data.redis.connection.jedis;
import redis.clients.jedis.Protocol;
import java.util.ArrayList;
import java.util.List;
import org.springframework.data.redis.connection.RedisListCommands;
import org.springframework.data.redis.connection.jedis.JedisConnection.JedisResult;
/**
* @author Christoph Strobl
* @since 2.0
*/
class JedisListCommands implements RedisListCommands {
private final JedisConnection connection;
public JedisListCommands(JedisConnection connection) {
this.connection = connection;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPush(byte[], byte[][])
*/
@Override
public Long rPush(byte[] key, byte[]... values) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().rpush(key, values)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().rpush(key, values)));
return null;
}
return connection.getJedis().rpush(key, values);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lPush(byte[], byte[][])
*/
@Override
public Long lPush(byte[] key, byte[]... values) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().lpush(key, values)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().lpush(key, values)));
return null;
}
return connection.getJedis().lpush(key, values);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPushX(byte[], byte[])
*/
@Override
public Long rPushX(byte[] key, byte[] value) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().rpushx(key, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().rpushx(key, value)));
return null;
}
return connection.getJedis().rpushx(key, value);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lPushX(byte[], byte[])
*/
@Override
public Long lPushX(byte[] key, byte[] value) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().lpushx(key, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().lpushx(key, value)));
return null;
}
return connection.getJedis().lpushx(key, value);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lLen(byte[])
*/
@Override
public Long lLen(byte[] key) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().llen(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().llen(key)));
return null;
}
return connection.getJedis().llen(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lRange(byte[], long, long)
*/
@Override
public List<byte[]> lRange(byte[] key, long start, long end) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().lrange(key, start, end)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().lrange(key, start, end)));
return null;
}
return connection.getJedis().lrange(key, start, end);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lTrim(byte[], long, long)
*/
@Override
public void lTrim(byte[] key, long start, long end) {
try {
if (isPipelined()) {
pipeline(connection.newStatusResult(connection.getPipeline().ltrim(key, start, end)));
return;
}
if (isQueueing()) {
transaction(connection.newStatusResult(connection.getTransaction().ltrim(key, start, end)));
return;
}
connection.getJedis().ltrim(key, start, end);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lIndex(byte[], long)
*/
@Override
public byte[] lIndex(byte[] key, long index) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().lindex(key, index)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().lindex(key, index)));
return null;
}
return connection.getJedis().lindex(key, index);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lInsert(byte[], org.springframework.data.redis.connection.RedisListCommands.Position, byte[], byte[])
*/
@Override
public Long lInsert(byte[] key, Position where, byte[] pivot, byte[] value) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(
connection.getPipeline().linsert(key, JedisConverters.toListPosition(where), pivot, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(
connection.getTransaction().linsert(key, JedisConverters.toListPosition(where), pivot, value)));
return null;
}
return connection.getJedis().linsert(key, JedisConverters.toListPosition(where), pivot, value);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lSet(byte[], long, byte[])
*/
@Override
public void lSet(byte[] key, long index, byte[] value) {
try {
if (isPipelined()) {
pipeline(connection.newStatusResult(connection.getPipeline().lset(key, index, value)));
return;
}
if (isQueueing()) {
transaction(connection.newStatusResult(connection.getTransaction().lset(key, index, value)));
return;
}
connection.getJedis().lset(key, index, value);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lRem(byte[], long, byte[])
*/
@Override
public Long lRem(byte[] key, long count, byte[] value) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().lrem(key, count, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().lrem(key, count, value)));
return null;
}
return connection.getJedis().lrem(key, count, value);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lPop(byte[])
*/
@Override
public byte[] lPop(byte[] key) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().lpop(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().lpop(key)));
return null;
}
return connection.getJedis().lpop(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPop(byte[])
*/
@Override
public byte[] rPop(byte[] key) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().rpop(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().rpop(key)));
return null;
}
return connection.getJedis().rpop(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#bLPop(int, byte[][])
*/
@Override
public List<byte[]> bLPop(int timeout, byte[]... keys) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().blpop(bXPopArgs(timeout, keys))));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().blpop(bXPopArgs(timeout, keys))));
return null;
}
return connection.getJedis().blpop(timeout, keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#bRPop(int, byte[][])
*/
@Override
public List<byte[]> bRPop(int timeout, byte[]... keys) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().brpop(bXPopArgs(timeout, keys))));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().brpop(bXPopArgs(timeout, keys))));
return null;
}
return connection.getJedis().brpop(timeout, keys);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPopLPush(byte[], byte[])
*/
@Override
public byte[] rPopLPush(byte[] srcKey, byte[] dstKey) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().rpoplpush(srcKey, dstKey)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().rpoplpush(srcKey, dstKey)));
return null;
}
return connection.getJedis().rpoplpush(srcKey, dstKey);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#bRPopLPush(int, byte[], byte[])
*/
@Override
public byte[] bRPopLPush(int timeout, byte[] srcKey, byte[] dstKey) {
try {
if (isPipelined()) {
pipeline(connection.newJedisResult(connection.getPipeline().brpoplpush(srcKey, dstKey, timeout)));
return null;
}
if (isQueueing()) {
transaction(connection.newJedisResult(connection.getTransaction().brpoplpush(srcKey, dstKey, timeout)));
return null;
}
return connection.getJedis().brpoplpush(srcKey, dstKey, timeout);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
private byte[][] bXPopArgs(int timeout, byte[]... keys) {
final List<byte[]> args = new ArrayList<>();
for (final byte[] arg : keys) {
args.add(arg);
}
args.add(Protocol.toByteArray(timeout));
return args.toArray(new byte[args.size()][]);
}
private boolean isPipelined() {
return connection.isPipelined();
}
private void pipeline(JedisResult result) {
connection.pipeline(result);
}
private boolean isQueueing() {
return connection.isQueueing();
}
private void transaction(JedisResult result) {
connection.transaction(result);
}
private RuntimeException convertJedisAccessException(Exception ex) {
return connection.convertJedisAccessException(ex);
}
}