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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

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/**
 * Copyright (c) 2013-2024 Nikita Koksharov
 *
 * 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.redisson.api;

import io.reactivex.rxjava3.core.Completable;
import io.reactivex.rxjava3.core.Maybe;
import io.reactivex.rxjava3.core.Single;
import org.redisson.codec.JsonCodec;

import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * JSON Store which stores each entry as key and value. Both are POJO objects.
 * Value is stored as JSON datatype in Redis.
 * 

* The implementation is available in Redisson PRO only. * * @author Nikita Koksharov * * @param the type of key * @param the type of value * */ public interface RJsonStoreRx extends RExpirableRx { /** * Gets value by specified key and JSONPath * * @param key entry key * @param codec entry value codec * @param paths JSON paths * @return entry value * * @param the type of object */ Maybe get(K key, JsonCodec codec, String... paths); /** * Sets value by specified key and JSONPath only if previous value is empty. * * @param key entry key * @param path JSON path * @param value entry value * @return {@code true} if successful, or {@code false} if * value was already set */ Single setIfAbsent(K key, String path, Object value); /** * Sets value by specified key and JSONPath only if previous value is non-empty. * * @param key entry key * @param path JSON path * @param value object * @return {@code true} if successful, or {@code false} if * element wasn't set */ Single setIfExists(K key, String path, Object value); /** * Atomically sets the value to the given updated value * by specified key and JSONPath, only if serialized state of * the current value equals to serialized state of the expected value. * * @param key entry key * @param path JSON path * @param expect the expected value * @param update the new value * @return {@code true} if successful; or {@code false} if the actual value * was not equal to the expected value. */ Single compareAndSet(K key, String path, Object expect, Object update); /** * Retrieves current value stored by specified key and JSONPath then * replaces it with new value. * * @param key entry key * @param codec entry value codec * @param path JSON path * @param newValue value to set * @return previous value */ Maybe getAndSet(K key, JsonCodec codec, String path, Object newValue); /** * Stores value by specified key and JSONPath. * * @param key entry key * @param path JSON path * @param value value to set */ Completable set(K key, String path, Object value); /** * Returns size of string data by specified key and JSONPath * * @param key entry key * @param path JSON path * @return size of string */ Maybe stringSize(K key, String path); /** * Returns list of string data size by specified key and JSONPath. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @return list of string data sizes */ Single> stringSizeMulti(K key, String path); /** * Appends string data to element specified by specified key and JSONPath. * Returns new size of string data. * * @param key entry key * @param path JSON path * @param value data * @return size of string data */ Single stringAppend(K key, String path, Object value); /** * Appends string data to elements specified by specified key and JSONPath. * Returns new size of string data. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @param value data * @return list of string data sizes */ Single> stringAppendMulti(K key, String path, Object value); /** * Appends values to array by specified key and JSONPath. * Returns new size of array. * * @param key entry key * @param path JSON path * @param values values to append * @return size of array */ Single arrayAppend(K key, String path, Object... values); /** * Appends values to arrays by specified key and JSONPath. * Returns new size of arrays. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @param values values to append * @return list of arrays size */ Single> arrayAppendMulti(K key, String path, Object... values); /** * Returns index of object in array by specified key and JSONPath. * -1 means object not found. * * @param key entry key * @param path JSON path * @param value value to search * @return index in array */ Single arrayIndex(K key, String path, Object value); /** * Returns index of object in arrays by specified key and JSONPath. * -1 means object not found. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @param value value to search * @return list of index in arrays */ Single> arrayIndexMulti(K key, String path, Object value); /** * Returns index of object in array by specified key and JSONPath * in range between start (inclusive) and end (exclusive) indexes. * -1 means object not found. * * @param key entry key * @param path JSON path * @param value value to search * @param start start index, inclusive * @param end end index, exclusive * @return index in array */ Single arrayIndex(K key, String path, Object value, Long start, Long end); /** * Returns index of object in arrays by specified key and JSONPath * in range between start (inclusive) and end (exclusive) indexes. * -1 means object not found. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @param value value to search * @param start start index, inclusive * @param end end index, exclusive * @return list of index in arrays */ Single> arrayIndexMulti(K key, String path, Object value, Long start, Long end); /** * Inserts values into array by specified key and JSONPath. * Values are inserted at defined index. * * @param key entry key * @param path JSON path * @param index array index at which values are inserted * @param values values to insert * @return size of array */ Single arrayInsert(K key, String path, Long index, Object... values); /** * Inserts values into arrays by specified key and JSONPath. * Values are inserted at defined index. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @param index array index at which values are inserted * @param values values to insert * @return list of arrays size */ Single> arrayInsertMulti(K key, String path, Long index, Object... values); /** * Returns size of array by specified key and JSONPath. * * @param key entry key * @param path JSON path * @return size of array */ Single arraySize(K key, String path); /** * Returns size of arrays by specified key and JSONPath. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @return list of arrays size */ Single> arraySizeMulti(K key, String path); /** * Polls last element of array by specified key and JSONPath. * * @param key entry key * @param codec object codec * @param path JSON path * @return last element * * @param the type of object */ Maybe arrayPollLast(K key, JsonCodec codec, String path); /** * Polls last element of arrays by specified key and JSONPath. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param codec object codec * @param path JSON path * @return list of last elements * * @param the type of object */ Single> arrayPollLastMulti(K key, JsonCodec codec, String path); /** * Polls first element of array by specified key and JSONPath. * * @param key entry key * @param codec object codec * @param path JSON path * @return first element * * @param the type of object */ Maybe arrayPollFirst(K key, JsonCodec codec, String path); /** * Polls first element of arrays by specified key and JSONPath. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param codec object codec * @param path JSON path * @return list of first elements * * @param the type of object */ Single> arrayPollFirstMulti(K key, JsonCodec codec, String path); /** * Pops element located at index of array by specified key and JSONPath. * * @param key entry key * @param codec object codec * @param path JSON path * @param index array index * @return element * * @param the type of object */ Maybe arrayPop(K key, JsonCodec codec, String path, Long index); /** * Pops elements located at index of arrays by specified key and JSONPath. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param codec object codec * @param path JSON path * @param index array index * @return list of elements * * @param the type of object */ Single> arrayPopMulti(K key, JsonCodec codec, String path, Long index); /** * Trims array by specified key and JSONPath in range * between start (inclusive) and end (inclusive) indexes. * * @param key entry key * @param path JSON path * @param start start index, inclusive * @param end end index, inclusive * @return length of array */ Single arrayTrim(K key, String path, Long start, Long end); /** * Trims arrays by specified key and JSONPath in range * between start (inclusive) and end (inclusive) indexes. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @param start start index, inclusive * @param end end index, inclusive * @return length of array */ Single> arrayTrimMulti(K key, String path, Long start, Long end); /** * Clears value by specified key * * @param key entry key * @return {@code true} if successful, or {@code false} if * entry doesn't exist */ Single clear(K key); /** * Clears json containers by specified keys. * * @param keys entry keys * @return number of cleared containers */ Single clear(Set keys); /** * Clears json container by specified keys and JSONPath. * Compatible only with enhanced syntax starting with '$' character. * * @param path JSON path * @param keys entry keys * @return number of cleared containers */ Single clear(String path, Set keys); /** * Increments the current value specified by key and JSONPath. * * @param key entry key * @param path JSON path * @param delta increment value * @return the updated value */ Maybe incrementAndGet(K key, String path, T delta); /** * Increments the current values specified by key and JSONPath. * Compatible only with enhanced syntax starting with '$' character. * * @param key entry key * @param path JSON path * @param delta increment value * @return list of updated value */ List incrementAndGetMulti(K key, String path, T delta); /** * Merges value into element by the specified key and JSONPath. * * @param key entry key * @param path JSON path * @param value value to merge */ Completable merge(K key, String path, Object value); /** * Returns keys amount in JSON container by specified key * * @param key entry key * @return keys amount */ Maybe countKeys(K key); /** * Returns keys amount in JSON container specified by key and JSONPath * * @param key entry key * @param path JSON path * @return keys amount */ Maybe countKeys(K key, String path); /** * Returns list of keys amount in JSON containers specified by key and JSONPath * * @param key entry key * @param path JSON path * @return list of keys amount */ Single> countKeysMulti(K key, String path); /** * Returns list of keys in JSON container by specified key * * @return list of keys */ Single> getKeys(K key); /** * Returns list of keys in JSON container by specified key and JSONPath * * @param path JSON path * @return list of keys */ Single> getKeys(K key, String path); /** * Returns list of keys in JSON containers by specified key and JSONPath * * @param path JSON path * @return list of keys */ Single>> getKeysMulti(K key, String path); /** * Toggle Single value by specified key and JSONPath * * @param path JSON path * @return new Single value */ Single toggle(K key, String path); /** * Toggle Single values by specified key and JSONPath * * @param path JSON path * @return list of Single values */ Single> toggleMulti(K key, String path); /** * Returns type of value * * @return type of element */ Single getType(K key); /** * Returns type of element specified by key and JSONPath * * @param path JSON path * @return type of element */ Single getType(K key, String path); /** * Deletes entry by specified key * * @param key entry key * @return {@code true} if successful, or {@code false} if * entry doesn't exist */ Single delete(K key); /** * Deletes entries by specified keys * * @param keys entry keys * @return number of deleted elements */ Single delete(Set keys); /** * Deletes JSON elements specified by keys and JSONPath * * @param path JSON path * @param keys entry keys * @return number of deleted elements */ Single delete(String path, Set keys); /** * Returns size of entry in bytes specified by key. * * @param key entry key * @return entry size */ Single sizeInMemory(K key); /** * Retrieves value by specified key. * * @param key entry key * @return element */ Maybe get(K key); /** * Retrieves values by specified keys. * * @param keys entry keys * @return map with entries where value mapped by key */ Single> get(Set keys); /** * Retrieves values by specified keys and JSONPath. * * @param path JSON path * @param keys entry keys * @return map with entries where value mapped by key */ Single> get(String path, Set keys); /** * Retrieves entry value by specified key and removes it. * * @param key entry key * @return element */ Maybe getAndDelete(K key); /** * Sets value only if entry doesn't exist. * * @param key entry key * @param value value to set * @return {@code true} if successful, or {@code false} if * element was already set */ Single setIfAbsent(K key, V value); /** * Sets value with defined duration only if entry doesn't exist. * * @param key entry key * @param value value to set * @param duration expiration duration * @return {@code true} if successful, or {@code false} if * element was already set */ Single setIfAbsent(K key, V value, Duration duration); /** * Sets value only if entry already exists. * * @param key entry key * @param value value to set * @return {@code true} if successful, or {@code false} if * element wasn't set */ Single setIfExists(K key, V value); /** * Sets value with expiration duration only if entry already exists. * * @param key entry key * @param value value to set * @param duration expiration duration * @return {@code true} if successful, or {@code false} if * element wasn't set */ Single setIfExists(K key, V value, Duration duration); /** * Atomically sets the value to the given updated value * by specified key only if serialized state of the current value equals * to serialized state of the expected value. * * @param key entry key * @param expect the expected value * @param update the new value * @return {@code true} if successful; or {@code false} if the actual value * was not equal to the expected value. */ Single compareAndSet(K key, V expect, V update); /** * Retrieves current value by specified key and replaces it with new value. * * @param key entry key * @param newValue value to set * @return previous value */ Maybe getAndSet(K key, V newValue); /** * Retrieves current value by specified key and replaces it * with value and defines expiration duration. * * @param key entry key * @param value value to set * @param duration expiration duration * @return previous value */ Maybe getAndSet(K key, V value, Duration duration); /** * Retrieves current value by specified key and sets an expiration duration for it. *

* Requires Redis 6.2.0 and higher. * * @param key entry key * @param duration of object time to live interval * @return value */ Maybe getAndExpire(K key, Duration duration); /** * Retrieves current value by specified key and sets an expiration date for it. *

* Requires Redis 6.2.0 and higher. * * @param key entry key * @param time of exact object expiration moment * @return value */ Maybe getAndExpire(K key, Instant time); /** * Retrieves current value by specified key and clears expiration date set before. *

* Requires Redis 6.2.0 and higher. * * @param key entry key * @return value */ Maybe getAndClearExpire(K key); /** * Stores value by specified key. * * @param key entry key * @param value value to set */ Completable set(K key, V value); /** * Stores values by specified keys. * * @param entries entries to store */ Completable set(Map entries); /** * Stores values by specified keys and JSONPath. * * @param path JSONPath * @param entries entries to store */ Completable set(String path, Map entries); /** * Stores value by specified key with defined expiration duration. * * @param key entry key * @param value value to set * @param duration expiration duration */ Completable set(K key, V value, Duration duration); /** * Stores values by specified keys with defined expiration duration. * * @param entries entries to store * @param duration expiration duration */ Completable set(Map entries, Duration duration); /** * Sets value by specified key and keep existing TTL. *

* Requires Redis 6.0.0 and higher. * * @param value value to set */ Completable setAndKeepTTL(K key, V value); /** * Adds object event listener * * @see ExpiredObjectListener * @see DeletedObjectListener * @see org.redisson.api.listener.SetObjectListener * * @param listener object event listener * @return listener id */ Single addListener(ObjectListener listener); /** * Remaining time to live of map entry associated with a key. * * @param key - map key * @return time in milliseconds * -2 if the key does not exist. * -1 if the key exists but has no associated expire. */ Single remainTimeToLive(K key); /** * Returns true if this map contains map entry * mapped by specified key, otherwise false * * @param key - map key * @return true if this map contains map entry * mapped by specified key, otherwise false */ Single containsKey(Object key); /** * Read all keys at once * * @return keys */ Single> readAllKeySet(); /** * Returns entries amount in store * * @return entries amount */ Single size(); /** * Returns RCountDownLatch instance associated with key * * @param key - map key * @return countdownlatch */ RCountDownLatchRx getCountDownLatch(K key); /** * Returns RPermitExpirableSemaphore instance associated with key * * @param key - map key * @return permitExpirableSemaphore */ RPermitExpirableSemaphoreRx getPermitExpirableSemaphore(K key); /** * Returns RSemaphore instance associated with key * * @param key - map key * @return semaphore */ RSemaphoreRx getSemaphore(K key); /** * Returns RLock instance associated with key * * @param key - map key * @return fairlock */ RLockRx getFairLock(K key); /** * Returns RReadWriteLock instance associated with key * * @param key - map key * @return readWriteLock */ RReadWriteLockRx getReadWriteLock(K key); /** * Returns RLock instance associated with key * * @param key - map key * @return lock */ RLockRx getLock(K key); }





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