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org.springframework.data.redis.connection.lettuce.LettuceSetCommands 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.ScanArgs;
import io.lettuce.core.ValueScanCursor;
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.ArrayList;
import java.util.List;
import java.util.Set;
import org.springframework.core.convert.converter.Converter;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisSetCommands;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.KeyBoundCursor;
import org.springframework.data.redis.core.ScanIteration;
import org.springframework.data.redis.core.ScanOptions;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
@RequiredArgsConstructor
class LettuceSetCommands implements RedisSetCommands {
private final @NonNull LettuceConnection connection;
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sAdd(byte[], byte[][])
*/
@Override
public Long sAdd(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().sadd(key, values)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sadd(key, values)));
return null;
}
return getConnection().sadd(key, values);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sCard(byte[])
*/
@Override
public Long sCard(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().scard(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().scard(key)));
return null;
}
return getConnection().scard(key);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sDiff(byte[][])
*/
@Override
public Set sDiff(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().sdiff(keys)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sdiff(keys)));
return null;
}
return getConnection().sdiff(keys);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sDiffStore(byte[], byte[][])
*/
@Override
public Long sDiffStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(keys, "Source keys must not be null!");
Assert.noNullElements(keys, "Source keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().sdiffstore(destKey, keys)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sdiffstore(destKey, keys)));
return null;
}
return getConnection().sdiffstore(destKey, keys);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sInter(byte[][])
*/
@Override
public Set sInter(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().sinter(keys)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sinter(keys)));
return null;
}
return getConnection().sinter(keys);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sInterStore(byte[], byte[][])
*/
@Override
public Long sInterStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(keys, "Source keys must not be null!");
Assert.noNullElements(keys, "Source keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().sinterstore(destKey, keys)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sinterstore(destKey, keys)));
return null;
}
return getConnection().sinterstore(destKey, keys);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sIsMember(byte[], byte[])
*/
@Override
public Boolean sIsMember(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().sismember(key, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sismember(key, value)));
return null;
}
return getConnection().sismember(key, value);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sMembers(byte[])
*/
@Override
public Set sMembers(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().smembers(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().smembers(key)));
return null;
}
return getConnection().smembers(key);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sMove(byte[], byte[], byte[])
*/
@Override
public Boolean sMove(byte[] srcKey, byte[] destKey, byte[] value) {
Assert.notNull(srcKey, "Source key must not be null!");
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(value, "Value must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().smove(srcKey, destKey, value)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().smove(srcKey, destKey, value)));
return null;
}
return getConnection().smove(srcKey, destKey, value);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sPop(byte[])
*/
@Override
public byte[] sPop(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().spop(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().spop(key)));
return null;
}
return getConnection().spop(key);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sPop(byte[], long)
*/
@Override
public List sPop(byte[] key, long count) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().spop(key, count), ArrayList::new));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().spop(key, count),
(Converter, List>) ArrayList::new));
return null;
}
return new ArrayList<>(getConnection().spop(key, count));
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sRandMember(byte[])
*/
@Override
public byte[] sRandMember(byte[] key) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().srandmember(key)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().srandmember(key)));
return null;
}
return getConnection().srandmember(key);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sRandMember(byte[], long)
*/
@Override
public List sRandMember(byte[] key, long count) {
Assert.notNull(key, "Key must not be null!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().srandmember(key, count)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().srandmember(key, count)));
return null;
}
return LettuceConverters.toBytesList(getConnection().srandmember(key, count));
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sRem(byte[], byte[][])
*/
@Override
public Long sRem(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().srem(key, values)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().srem(key, values)));
return null;
}
return getConnection().srem(key, values);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sUnion(byte[][])
*/
@Override
public Set sUnion(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null!");
Assert.noNullElements(keys, "Keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().sunion(keys)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sunion(keys)));
return null;
}
return getConnection().sunion(keys);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sUnionStore(byte[], byte[][])
*/
@Override
public Long sUnionStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null!");
Assert.notNull(keys, "Source keys must not be null!");
Assert.noNullElements(keys, "Source keys must not contain null elements!");
try {
if (isPipelined()) {
pipeline(connection.newLettuceResult(getAsyncConnection().sunionstore(destKey, keys)));
return null;
}
if (isQueueing()) {
transaction(connection.newLettuceResult(getAsyncConnection().sunionstore(destKey, keys)));
return null;
}
return getConnection().sunionstore(destKey, keys);
} catch (Exception ex) {
throw convertLettuceAccessException(ex);
}
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisSetCommands#sScan(byte[], org.springframework.data.redis.core.ScanOptions)
*/
@Override
public Cursor sScan(byte[] key, ScanOptions options) {
return sScan(key, 0, options);
}
/**
* @since 1.4
* @param key
* @param cursorId
* @param options
* @return
*/
public Cursor sScan(byte[] key, long cursorId, ScanOptions options) {
Assert.notNull(key, "Key must not be null!");
return new KeyBoundCursor(key, cursorId, options) {
@Override
protected ScanIteration doScan(byte[] key, long cursorId, ScanOptions options) {
if (isQueueing() || isPipelined()) {
throw new UnsupportedOperationException("'SSCAN' cannot be called in pipeline / transaction mode.");
}
io.lettuce.core.ScanCursor scanCursor = connection.getScanCursor(cursorId);
ScanArgs scanArgs = LettuceConverters.toScanArgs(options);
ValueScanCursor valueScanCursor = getConnection().sscan(key, scanCursor, scanArgs);
String nextCursorId = valueScanCursor.getCursor();
List values = connection.failsafeReadScanValues(valueScanCursor.getValues(), null);
return new ScanIteration<>(Long.valueOf(nextCursorId), values);
}
protected void doClose() {
LettuceSetCommands.this.connection.close();
}
}.open();
}
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);
}
RedisClusterAsyncCommands getAsyncConnection() {
return connection.getAsyncConnection();
}
public RedisClusterCommands getConnection() {
return connection.getConnection();
}
private DataAccessException convertLettuceAccessException(Exception ex) {
return connection.convertLettuceAccessException(ex);
}
}
