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/*
* Copyright 2017-2022 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
*
* https://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.BinaryJedis;
import redis.clients.jedis.MultiKeyPipelineBase;
import redis.clients.jedis.ScanParams;
import redis.clients.jedis.ScanResult;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.springframework.data.redis.connection.RedisHashCommands;
import org.springframework.data.redis.connection.convert.Converters;
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.lang.Nullable;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
class JedisHashCommands implements RedisHashCommands {
private final JedisConnection connection;
JedisHashCommands(JedisConnection connection) {
this.connection = connection;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hSet(byte[], byte[], byte[])
*/
@Override
public Boolean hSet(byte[] key, byte[] field, byte[] value) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(field, "Field must not be null!");
Assert.notNull(value, "Value must not be null!");
return connection.invoke().from(BinaryJedis::hset, MultiKeyPipelineBase::hset, key, field, value)
.get(JedisConverters.longToBoolean());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hSetNX(byte[], byte[], byte[])
*/
@Override
public Boolean hSetNX(byte[] key, byte[] field, byte[] value) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(field, "Field must not be null!");
Assert.notNull(value, "Value must not be null!");
return connection.invoke().from(BinaryJedis::hsetnx, MultiKeyPipelineBase::hsetnx, key, field, value)
.get(JedisConverters.longToBoolean());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hDel(byte[], byte[][])
*/
@Override
public Long hDel(byte[] key, byte[]... fields) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(fields, "Fields must not be null!");
return connection.invoke().just(BinaryJedis::hdel, MultiKeyPipelineBase::hdel, key, fields);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hExists(byte[], byte[])
*/
@Override
public Boolean hExists(byte[] key, byte[] field) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(field, "Fields must not be null!");
return connection.invoke().just(BinaryJedis::hexists, MultiKeyPipelineBase::hexists, key, field);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hGet(byte[], byte[])
*/
@Override
public byte[] hGet(byte[] key, byte[] field) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(field, "Field must not be null!");
return connection.invoke().just(BinaryJedis::hget, MultiKeyPipelineBase::hget, key, field);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hGetAll(byte[])
*/
@Override
public Map hGetAll(byte[] key) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke().just(BinaryJedis::hgetAll, MultiKeyPipelineBase::hgetAll, key);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hRandField(byte[])
*/
@Nullable
@Override
public byte[] hRandField(byte[] key) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke().just(BinaryJedis::hrandfield, MultiKeyPipelineBase::hrandfield, key);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hRandFieldWithValues(byte[])
*/
@Nullable
@Override
public Entry hRandFieldWithValues(byte[] key) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke()
.from(BinaryJedis::hrandfieldWithValues, MultiKeyPipelineBase::hrandfieldWithValues, key, 1L)
.get(it -> it.isEmpty() ? null : it.entrySet().iterator().next());
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hRandField(byte[], long)
*/
@Nullable
@Override
public List hRandField(byte[] key, long count) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke().just(BinaryJedis::hrandfield, MultiKeyPipelineBase::hrandfield, key, count);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hRandFieldWithValues(byte[], long)
*/
@Nullable
@Override
public List> hRandFieldWithValues(byte[] key, long count) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke()
.from(BinaryJedis::hrandfieldWithValues, MultiKeyPipelineBase::hrandfieldWithValues, key, count).get(it -> {
List> entries = new ArrayList<>(it.size());
it.forEach((k, v) -> entries.add(Converters.entryOf(k, v)));
return entries;
});
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hIncrBy(byte[], byte[], long)
*/
@Override
public Long hIncrBy(byte[] key, byte[] field, long delta) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(field, "Field must not be null!");
return connection.invoke().just(BinaryJedis::hincrBy, MultiKeyPipelineBase::hincrBy, key, field, delta);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hIncrBy(byte[], byte[], double)
*/
@Override
public Double hIncrBy(byte[] key, byte[] field, double delta) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(field, "Field must not be null!");
return connection.invoke().just(BinaryJedis::hincrByFloat, MultiKeyPipelineBase::hincrByFloat, key, field, delta);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hKeys(byte[])
*/
@Override
public Set hKeys(byte[] key) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke().just(BinaryJedis::hkeys, MultiKeyPipelineBase::hkeys, key);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hLen(byte[])
*/
@Override
public Long hLen(byte[] key) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke().just(BinaryJedis::hlen, MultiKeyPipelineBase::hlen, key);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hMGet(byte[], byte[][])
*/
@Override
public List hMGet(byte[] key, byte[]... fields) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(fields, "Fields must not be null!");
return connection.invoke().just(BinaryJedis::hmget, MultiKeyPipelineBase::hmget, key, fields);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hMSet(byte[], java.util.Map)
*/
@Override
public void hMSet(byte[] key, Map hashes) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(hashes, "Hashes must not be null!");
connection.invokeStatus().just(BinaryJedis::hmset, MultiKeyPipelineBase::hmset, key, hashes);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hVals(byte[])
*/
@Override
public List hVals(byte[] key) {
Assert.notNull(key, "Key must not be null!");
return connection.invoke().just(BinaryJedis::hvals, MultiKeyPipelineBase::hvals, key);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hScan(byte[], org.springframework.data.redis.core.ScanOptions)
*/
@Override
public Cursor> hScan(byte[] key, ScanOptions options) {
return hScan(key, 0, options);
}
/**
* @since 1.4
* @param key
* @param cursorId
* @param options
* @return
*/
public Cursor> hScan(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("'HSCAN' cannot be called in pipeline / transaction mode.");
}
ScanParams params = JedisConverters.toScanParams(options);
ScanResult> result = connection.getJedis().hscan(key, JedisConverters.toBytes(cursorId),
params);
return new ScanIteration<>(Long.valueOf(result.getCursor()), result.getResult());
}
@Override
protected void doClose() {
JedisHashCommands.this.connection.close();
};
}.open();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hStrLen(byte[], byte[])
*/
@Nullable
@Override
public Long hStrLen(byte[] key, byte[] field) {
Assert.notNull(key, "Key must not be null!");
Assert.notNull(field, "Field must not be null!");
return connection.invoke().just(BinaryJedis::hstrlen, MultiKeyPipelineBase::hstrlen, key, field);
}
private boolean isPipelined() {
return connection.isPipelined();
}
private boolean isQueueing() {
return connection.isQueueing();
}
}
