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org.springframework.data.redis.connection.jedis.JedisClusterHashCommands 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.jedis;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import redis.clients.jedis.ScanParams;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisHashCommands;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.ScanCursor;
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
*/
@RequiredArgsConstructor
class JedisClusterHashCommands implements RedisHashCommands {
private final @NonNull JedisClusterConnection 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!");
try {
return JedisConverters.toBoolean(connection.getCluster().hset(key, field, value));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return JedisConverters.toBoolean(connection.getCluster().hsetnx(key, field, value));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hget(key, field);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hmget(key, fields);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
connection.getCluster().hmset(key, hashes);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hincrBy(key, field, delta);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hincrByFloat(key, field, delta);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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, "Field must not be null!");
try {
return connection.getCluster().hexists(key, field);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hdel(key, fields);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hlen(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hkeys(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return new ArrayList<>(connection.getCluster().hvals(key));
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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!");
try {
return connection.getCluster().hgetAll(key);
} catch (Exception ex) {
throw convertJedisAccessException(ex);
}
}
/*
* (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) {
Assert.notNull(key, "Key must not be null!");
return new ScanCursor>(options) {
@Override
protected ScanIteration> doScan(long cursorId, ScanOptions options) {
ScanParams params = JedisConverters.toScanParams(options);
redis.clients.jedis.ScanResult> result = connection.getCluster().hscan(key,
JedisConverters.toBytes(cursorId), params);
return new ScanIteration<>(Long.valueOf(result.getStringCursor()), result.getResult());
}
}.open();
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.RedisHashCommands#hStrLen(byte[], byte[])
*/
@Nullable
@Override
public Long hStrLen(byte[] key, byte[] field) {
return Long.class.cast(connection.execute("HSTRLEN", key, Collections.singleton(field)));
}
private DataAccessException convertJedisAccessException(Exception ex) {
return connection.convertJedisAccessException(ex);
}
}
