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org.springframework.data.redis.connection.lettuce.LettuceListCommands Maven / Gradle / Ivy
/*
* Copyright 2017-2018 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.lettuce;
import io.lettuce.core.cluster.api.async.RedisClusterAsyncCommands;
import io.lettuce.core.cluster.api.sync.RedisClusterCommands;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import java.util.List;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisListCommands;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
@RequiredArgsConstructor
class LettuceListCommands implements RedisListCommands {
private final @NonNull LettuceConnection connection;
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPush(byte[], byte[][])
*/
@Override
public Long rPush(byte[] key, byte[]... values) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().rpush(key, values)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().rpush(key, values)));
return null;
}
return getConnection().rpush(key, values);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lPush(byte[], byte[][])
*/
@Override
public Long lPush(byte[] key, byte[]... values) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(values, "Values must not be null!");
Assert.noNullElements(values, "Values must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().lpush(key, values)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().lpush(key, values)));
return null;
}
return getConnection().lpush(key, values);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPushX(byte[], byte[])
*/
@Override
public Long rPushX(byte[] key, byte[] value) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(value, "Value must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().rpushx(key, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().rpushx(key, value)));
return null;
}
return getConnection().rpushx(key, value);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lPushX(byte[], byte[])
*/
@Override
public Long lPushX(byte[] key, byte[] value) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(value, "Value must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().lpushx(key, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().lpushx(key, value)));
return null;
}
return getConnection().lpushx(key, value);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lLen(byte[])
*/
@Override
public Long lLen(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().llen(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().llen(key)));
return null;
}
return getConnection().llen(key);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lRange(byte[], long, long)
*/
@Override
public List lRange(byte[] key, long start, long end) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().lrange(key, start, end)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().lrange(key, start, end)));
return null;
}
return getConnection().lrange(key, start, end);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lTrim(byte[], long, long)
*/
@Override
public void lTrim(byte[] key, long start, long end) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceStatusResult(getAsyncConnection().ltrim(key, start, end)));
return;
}
if (isQueueing()) {
transaction(connection.newLettuceStatusResult(getAsyncConnection().ltrim(key, start, end)));
return;
}
getConnection().ltrim(key, start, end);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lIndex(byte[], long)
*/
@Override
public byte[] lIndex(byte[] key, long index) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().lindex(key, index)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().lindex(key, index)));
return null;
}
return getConnection().lindex(key, index);
} catch (Exception ex) {
throw convertLettuceAccessException(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) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection
.newLettuceResult(getAsyncConnection().linsert(key, LettuceConverters.toBoolean(where), pivot, value)));
return null;
}
if (isQueueing()) {
transaction(connection
.newLettuceResult(getAsyncConnection().linsert(key, LettuceConverters.toBoolean(where), pivot, value)));
return null;
}
return getConnection().linsert(key, LettuceConverters.toBoolean(where), pivot, value);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lSet(byte[], long, byte[])
*/
@Override
public void lSet(byte[] key, long index, byte[] value) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(value, "Value must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceStatusResult(getAsyncConnection().lset(key, index, value)));
return;
}
if (isQueueing()) {
transaction(connection.newLettuceStatusResult(getAsyncConnection().lset(key, index, value)));
return;
}
getConnection().lset(key, index, value);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lRem(byte[], long, byte[])
*/
@Override
public Long lRem(byte[] key, long count, byte[] value) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(value, "Value must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().lrem(key, count, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().lrem(key, count, value)));
return null;
}
return getConnection().lrem(key, count, value);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#lPop(byte[])
*/
@Override
public byte[] lPop(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().lpop(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().lpop(key)));
return null;
}
return getConnection().lpop(key);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPop(byte[])
*/
@Override
public byte[] rPop(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().rpop(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().rpop(key)));
return null;
}
return getConnection().rpop(key);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#bLPop(int, byte[][])
*/
@Override
public List bLPop(int timeout, byte[]... keys) {
Assert.notNull(keys, "Key must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(connection.getAsyncDedicatedConnection().blpop(timeout, keys),
LettuceConverters.keyValueToBytesList()));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(connection.getAsyncDedicatedConnection().blpop(timeout, keys),
LettuceConverters.keyValueToBytesList()));
return null;
}
return LettuceConverters.toBytesList(connection.getDedicatedConnection().blpop(timeout, keys));
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#bRPop(int, byte[][])
*/
@Override
public List bRPop(int timeout, byte[]... keys) {
Assert.notNull(keys, "Key must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(connection.getAsyncDedicatedConnection().brpop(timeout, keys),
LettuceConverters.keyValueToBytesList()));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(connection.getAsyncDedicatedConnection().brpop(timeout, keys),
LettuceConverters.keyValueToBytesList()));
return null;
}
return LettuceConverters.toBytesList(connection.getDedicatedConnection().brpop(timeout, keys));
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#rPopLPush(byte[], byte[])
*/
@Override
public byte[] rPopLPush(byte[] srcKey, byte[] dstKey) {
Assert.notNull(srcKey, "Source key must not be null!");
Assert.notNull(dstKey, "Destination key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().rpoplpush(srcKey, dstKey)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().rpoplpush(srcKey, dstKey)));
return null;
}
return getConnection().rpoplpush(srcKey, dstKey);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisListCommands#bRPopLPush(int, byte[], byte[])
*/
@Override
public byte[] bRPopLPush(int timeout, byte[] srcKey, byte[] dstKey) {
Assert.notNull(srcKey, "Source key must not be null!");
Assert.notNull(dstKey, "Destination key must not be null!");
try {
if (isPipelined()) {
pipeline(
connection.newLettuceResult(connection.getAsyncDedicatedConnection().brpoplpush(timeout, srcKey, dstKey)));
return null;
}
if (isQueueing()) {
transaction(
connection.newLettuceResult(connection.getAsyncDedicatedConnection().brpoplpush(timeout, srcKey, dstKey)));
return null;
}
return connection.getDedicatedConnection().brpoplpush(timeout, srcKey, dstKey);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
private boolean isPipelined() {
return connection.isPipelined();
}
private boolean isQueueing() {
return connection.isQueueing();
}
private void pipeline(LettuceResult result) {
connection.pipeline(result);
}
private void transaction(LettuceResult result) {
connection.transaction(result);
}
private RedisClusterAsyncCommands getAsyncConnection() {
return connection.getAsyncConnection();
}
public RedisClusterCommands getConnection() {
return connection.getConnection();
}
private DataAccessException convertLettuceAccessException(Exception ex) {
return connection.convertLettuceAccessException(ex);
}
}