/*
* Copyright 2011-2016 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.core;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import org.springframework.core.convert.converter.Converter;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.RedisZSetCommands.Limit;
import org.springframework.data.redis.connection.RedisZSetCommands.Range;
import org.springframework.data.redis.connection.RedisZSetCommands.Tuple;
/**
* Default implementation of {@link ZSetOperations}.
*
* @author Costin Leau
* @author Christoph Strobl
* @author Thomas Darimont
* @author David Liu
* @author Mark Paluch
*/
class DefaultZSetOperations<K, V> extends AbstractOperations<K, V> implements ZSetOperations<K, V> {
DefaultZSetOperations(RedisTemplate<K, V> template) {
super(template);
}
public Boolean add(final K key, final V value, final double score) {
final byte[] rawKey = rawKey(key);
final byte[] rawValue = rawValue(value);
return execute(new RedisCallback<Boolean>() {
public Boolean doInRedis(RedisConnection connection) {
return connection.zAdd(rawKey, score, rawValue);
}
}, true);
}
public Long add(K key, Set<TypedTuple<V>> tuples) {
final byte[] rawKey = rawKey(key);
final Set<Tuple> rawValues = rawTupleValues(tuples);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zAdd(rawKey, rawValues);
}
}, true);
}
public Double incrementScore(K key, V value, final double delta) {
final byte[] rawKey = rawKey(key);
final byte[] rawValue = rawValue(value);
return execute(new RedisCallback<Double>() {
public Double doInRedis(RedisConnection connection) {
return connection.zIncrBy(rawKey, delta, rawValue);
}
}, true);
}
public Long intersectAndStore(K key, K otherKey, K destKey) {
return intersectAndStore(key, Collections.singleton(otherKey), destKey);
}
public Long intersectAndStore(K key, Collection<K> otherKeys, K destKey) {
final byte[][] rawKeys = rawKeys(key, otherKeys);
final byte[] rawDestKey = rawKey(destKey);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zInterStore(rawDestKey, rawKeys);
}
}, true);
}
public Set<V> range(K key, final long start, final long end) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRange(rawKey, start, end);
}
}, true);
return deserializeValues(rawValues);
}
public Set<V> reverseRange(K key, final long start, final long end) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRevRange(rawKey, start, end);
}
}, true);
return deserializeValues(rawValues);
}
public Set<TypedTuple<V>> rangeWithScores(K key, final long start, final long end) {
final byte[] rawKey = rawKey(key);
Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {
public Set<Tuple> doInRedis(RedisConnection connection) {
return connection.zRangeWithScores(rawKey, start, end);
}
}, true);
return deserializeTupleValues(rawValues);
}
public Set<TypedTuple<V>> reverseRangeWithScores(K key, final long start, final long end) {
final byte[] rawKey = rawKey(key);
Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {
public Set<Tuple> doInRedis(RedisConnection connection) {
return connection.zRevRangeWithScores(rawKey, start, end);
}
}, true);
return deserializeTupleValues(rawValues);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.core.ZSetOperations#rangeByLex(java.lang.Object, org.springframework.data.redis.connection.RedisZSetCommands.Range)
*/
@Override
public Set<V> rangeByLex(K key, final Range range) {
return rangeByLex(key, range, null);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.core.ZSetOperations#rangeByLex(java.lang.Object, org.springframework.data.redis.connection.RedisZSetCommands.Range, org.springframework.data.redis.connection.RedisZSetCommands.Limit)
*/
@Override
public Set<V> rangeByLex(K key, final Range range, final Limit limit) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRangeByLex(rawKey, range, limit);
}
}, true);
return deserializeValues(rawValues);
}
public Set<V> rangeByScore(K key, final double min, final double max) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRangeByScore(rawKey, min, max);
}
}, true);
return deserializeValues(rawValues);
}
public Set<V> rangeByScore(K key, final double min, final double max, final long offset, final long count) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRangeByScore(rawKey, min, max, offset, count);
}
}, true);
return deserializeValues(rawValues);
}
public Set<V> reverseRangeByScore(K key, final double min, final double max) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRevRangeByScore(rawKey, min, max);
}
}, true);
return deserializeValues(rawValues);
}
public Set<V> reverseRangeByScore(K key, final double min, final double max, final long offset, final long count) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRevRangeByScore(rawKey, min, max, offset, count);
}
}, true);
return deserializeValues(rawValues);
}
public Set<TypedTuple<V>> rangeByScoreWithScores(K key, final double min, final double max) {
final byte[] rawKey = rawKey(key);
Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {
public Set<Tuple> doInRedis(RedisConnection connection) {
return connection.zRangeByScoreWithScores(rawKey, min, max);
}
}, true);
return deserializeTupleValues(rawValues);
}
public Set<TypedTuple<V>> rangeByScoreWithScores(K key, final double min, final double max, final long offset,
final long count) {
final byte[] rawKey = rawKey(key);
Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {
public Set<Tuple> doInRedis(RedisConnection connection) {
return connection.zRangeByScoreWithScores(rawKey, min, max, offset, count);
}
}, true);
return deserializeTupleValues(rawValues);
}
public Set<TypedTuple<V>> reverseRangeByScoreWithScores(K key, final double min, final double max) {
final byte[] rawKey = rawKey(key);
Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {
public Set<Tuple> doInRedis(RedisConnection connection) {
return connection.zRevRangeByScoreWithScores(rawKey, min, max);
}
}, true);
return deserializeTupleValues(rawValues);
}
public Set<TypedTuple<V>> reverseRangeByScoreWithScores(K key, final double min, final double max, final long offset,
final long count) {
final byte[] rawKey = rawKey(key);
Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {
public Set<Tuple> doInRedis(RedisConnection connection) {
return connection.zRevRangeByScoreWithScores(rawKey, min, max, offset, count);
}
}, true);
return deserializeTupleValues(rawValues);
}
public Long rank(K key, Object o) {
final byte[] rawKey = rawKey(key);
final byte[] rawValue = rawValue(o);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
Long zRank = connection.zRank(rawKey, rawValue);
return (zRank != null && zRank.longValue() >= 0 ? zRank : null);
}
}, true);
}
public Long reverseRank(K key, Object o) {
final byte[] rawKey = rawKey(key);
final byte[] rawValue = rawValue(o);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
Long zRank = connection.zRevRank(rawKey, rawValue);
return (zRank != null && zRank.longValue() >= 0 ? zRank : null);
}
}, true);
}
public Long remove(K key, Object... values) {
final byte[] rawKey = rawKey(key);
final byte[][] rawValues = rawValues(values);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zRem(rawKey, rawValues);
}
}, true);
}
public Long removeRange(K key, final long start, final long end) {
final byte[] rawKey = rawKey(key);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zRemRange(rawKey, start, end);
}
}, true);
}
public Long removeRangeByScore(K key, final double min, final double max) {
final byte[] rawKey = rawKey(key);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zRemRangeByScore(rawKey, min, max);
}
}, true);
}
public Double score(K key, Object o) {
final byte[] rawKey = rawKey(key);
final byte[] rawValue = rawValue(o);
return execute(new RedisCallback<Double>() {
public Double doInRedis(RedisConnection connection) {
return connection.zScore(rawKey, rawValue);
}
}, true);
}
public Long count(K key, final double min, final double max) {
final byte[] rawKey = rawKey(key);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zCount(rawKey, min, max);
}
}, true);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.core.ZSetOperations#size(java.lang.Object)
*/
@Override
public Long size(K key) {
return zCard(key);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.core.ZSetOperations#zCard(java.lang.Object)
*/
@Override
public Long zCard(K key) {
final byte[] rawKey = rawKey(key);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zCard(rawKey);
}
}, true);
}
public Long unionAndStore(K key, K otherKey, K destKey) {
return unionAndStore(key, Collections.singleton(otherKey), destKey);
}
public Long unionAndStore(K key, Collection<K> otherKeys, K destKey) {
final byte[][] rawKeys = rawKeys(key, otherKeys);
final byte[] rawDestKey = rawKey(destKey);
return execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection) {
return connection.zUnionStore(rawDestKey, rawKeys);
}
}, true);
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.core.ZSetOperations#scan(java.lang.Object, org.springframework.data.redis.core.ScanOptions)
*/
@Override
public Cursor<TypedTuple<V>> scan(K key, final ScanOptions options) {
final byte[] rawKey = rawKey(key);
Cursor<Tuple> cursor = template.executeWithStickyConnection(new RedisCallback<Cursor<Tuple>>() {
@Override
public Cursor<Tuple> doInRedis(RedisConnection connection) throws DataAccessException {
return connection.zScan(rawKey, options);
}
});
return new ConvertingCursor<Tuple, TypedTuple<V>>(cursor, new Converter<Tuple, TypedTuple<V>>() {
@Override
public TypedTuple<V> convert(Tuple source) {
return deserializeTuple(source);
}
});
}
public Set<byte[]> rangeByScore(K key, final String min, final String max) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRangeByScore(rawKey, min, max);
}
}, true);
return rawValues;
}
public Set<byte[]> rangeByScore(K key, final String min, final String max, final long offset, final long count) {
final byte[] rawKey = rawKey(key);
Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {
public Set<byte[]> doInRedis(RedisConnection connection) {
return connection.zRangeByScore(rawKey, min, max, offset, count);
}
}, true);
return rawValues;
}
}