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/* ******************************************************************************
* Copyright 2018 Netflix, Inc.
*
* 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 com.netflix.dyno.jedis;
import org.apache.commons.lang3.tuple.Pair;
import redis.clients.jedis.ScanResult;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Jedis commands specific to Dynomite client.
*/
public interface DynoJedisCommands {
/**
* Sets field in the expire hash stored at key to value and ttl.
*
* @param key expire hash key
* @param field hash field
* @param value field value
* @param ttl time to live, in seconds
* @return 1 - if field is a new field in the expire hash and value, ttl was set.
* 0 - if field already exists and the value, ttl was updated.
*/
Long ehset(String key, String field, String value, long ttl);
/**
* Gets the value stored at field in expire hash with key
*
* @param key expire hash key
* @param field hash field
* @return String value, if exists
* null - if field doesn't exist.
*/
String ehget(String key, String field);
/**
* Delete the field in the expire hash with key
*
* @param key expire hash key
* @param fields hash field
* @return number of fields deleted.
*/
Long ehdel(String key, String... fields);
/**
* Check if a field exists in the expire hash with key
*
* @param key expire hash key
* @param field hash field
* @return returns true if field exists, false otherwise.
*/
Boolean ehexists(String key, String field);
/**
* Get all fields and its values in the expire hash
*
* @param key expire hash key
* @return Map of all fields and its values.
*/
Map ehgetall(String key);
/**
* Get all fields in the expire hash
*
* @param key expire hash key
* @return Set of all fields.
*/
Set ehkeys(String key);
/**
* Get all values stored in the expire hash
*
* @param key expire hash key
* @return List of all values stored.
*/
List ehvals(String key);
/**
* Get multiple fields from the expire hash
*
* @param key expire hash key
* @param fields hash fields
* @return List of requested field values.
*/
List ehmget(String key, String... fields);
/**
* Set multiple fields in the expire hash
*
* @param key expire hash key
* @param hash Tuple of field, value and its TTL
* @return returns "OK" if the values were set.
*/
String ehmset(String key, Map> hash);
/**
* Set a field in the expire hash only if it doesn't exist already
*
* @param key expire hash key
* @param field hash field
* @param value field value
* @param ttl time to live
* @return returns 1 if field set or 0 otherwise.
*/
Long ehsetnx(String key, String field, String value, long ttl);
/**
* Scan fields in the expire hash
*
* @param key expire hashkey
* @param cursor cursor
* @return Map of fields and values in the expire hash.
*/
ScanResult> ehscan(String key, String cursor);
/**
* Increase current value stored in the field of the expire hash
*
* @param key expire hash key
* @param field hash field
* @param value value to increment by
* @return Value of the field after the increment.
*/
Long ehincrby(String key, String field, long value);
/**
* Increase current value stored in the field by a double value
*
* @param key expire hash key
* @param field hash field
* @param value value to increment by
* @return Value of the field after the increment.
*/
Double ehincrbyfloat(String key, String field, double value);
/**
* Number of fields stored in the expire hash
*
* @param key expire hash key
* @return Count of fields in the expire hash.
*/
Long ehlen(String key);
/**
* Rename the expire hash key.
*
* @param oldKey old expire hash key
* @param newKey new expire hash key
* @return returns "OK" if rename was successful.
*/
String ehrename(String oldKey, String newKey);
/**
* Rename the expire hash key if the new key doesn't already exist
*
* @param oldKey old expire hash key
* @param newKey new expire hash key
* @return returns 1 if rename was successful, 0 otherwise.
*/
Long ehrenamenx(String oldKey, String newKey);
/**
* Set expiry on the expire hash
*
* @param key expire hash key
* @param seconds expiry in seconds
* @return returns 1 if timeout was set, 0 otherwise.
*/
Long ehexpire(String key, int seconds);
/**
* Set expiry on the expire hash
*
* @param key expire hash key
* @param timestamp expiry in unix timestamp (seconds)
* @return returns 1 if timeout was set, 0 otherwise.
*/
Long ehexpireat(String key, long timestamp);
/**
* Set expiry on the expire hash
*
* @param key expire hash key
* @param timestamp expiry in unix timestamp (milliseconds)
* @return returns 1 if timeout was set, 0 otherwise.
*/
Long ehpexpireat(String key, long timestamp);
/**
* Remove existing timeout on the expire hash
*
* @param key expire hash key
* @return returns 1 if timeout was removed, 0 otherwise.
*/
Long ehpersist(String key);
/**
* Returns the remaining time on the expire hash
*
* @param key expire hash key
* @return returns -2 if key does not exist, -1 if the timeout is not set, otherwise returns remaining time.
*/
Long ehttl(String key);
/**
* Returns the remaining time on the expire hash field
*
* @param key expire hash key
* @param field hash field
* @return returns remaining time in seconds if key and field exists, 0 otherwise.
*/
Long ehttl(String key, String field);
/**
* Returns the remaining time on the expire hash
*
* @param key expire hash key
* @return returns -2 if key does not exist, -1 if the timeout is not set, otherwise returns remaining time
* in milliseconds.
*/
Long ehpttl(String key);
/**
* Returns the remaining time on the expire hash field
*
* @param key expire hash key
* @param field hash field
* @return returns remaining time in milliseconds if key and field exists, 0 otherwise.
*/
Long ehpttl(String key, String field);
}
