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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.stream;
import org.redisson.api.StreamMessageId;
import java.time.Duration;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Arguments object for RStream.read() methods.
*
* @author Nikita Koksharov
*
*/
public interface StreamMultiReadArgs {
/**
* Defines stream data size limit.
*
* @param count - stream data size limit
* @return arguments object
*/
StreamMultiReadArgs count(int count);
/**
* Defines time interval to wait for stream data availability.
*
* @param timeout - timeout duration
* @return arguments object
*/
StreamMultiReadArgs timeout(Duration timeout);
/**
* Defines last stream ids received from all Streams
* including current one.
*
* Read stream data from all defined streams
* with ids greater than defined ids.
*
* @param id1 - last stream id of current stream
* @param stream2 - name of 2nd stream
* @param id2 - last stream id of 2nd stream
* @return arguments object
*/
static StreamMultiReadArgs greaterThan(StreamMessageId id1,
String stream2, StreamMessageId id2) {
return greaterThan(id1, Collections.singletonMap(stream2, id2));
}
/**
* Defines last stream ids received from all Streams
* including current one.
*
* Read stream data from all defined streams
* with ids greater than defined ids.
*
* @param id1 - last stream id of current stream
* @param stream2 - name of 2nd stream
* @param id2 - last stream id of 2nd stream
* @param stream3 - name of 3rd stream
* @param id3 - last stream id of 3rd stream
* @return arguments object
*/
static StreamMultiReadArgs greaterThan(StreamMessageId id1,
String stream2, StreamMessageId id2,
String stream3, StreamMessageId id3) {
Map map = new HashMap<>();
map.put(stream2, id2);
map.put(stream3, id3);
return greaterThan(id1, map);
}
/**
* Defines last stream ids received from all Streams
* including current one.
*
* Read stream data from all defined streams
* with ids greater than defined ids.
*
* @param id1 - last stream id of current stream
* @param stream2 - name of 2nd stream
* @param id2 - last stream id of 2nd stream
* @param stream3 - name of 3rd stream
* @param id3 - last stream id of 3rd stream
* @param stream4 - name of 4th stream
* @param id4 - last stream id of 4th stream
* @return arguments object
*/
static StreamMultiReadArgs greaterThan(StreamMessageId id1,
String stream2, StreamMessageId id2,
String stream3, StreamMessageId id3,
String stream4, StreamMessageId id4) {
Map map = new HashMap<>();
map.put(stream2, id2);
map.put(stream3, id3);
map.put(stream4, id4);
return greaterThan(id1, map);
}
/**
* Defines last stream ids received from all Streams
* including current one.
*
* Read stream data from all defined streams
* with ids greater than defined ids.
*
* @param id1 - last stream id of current stream
* @param stream2 - name of 2nd stream
* @param id2 - last stream id of 2nd stream
* @param stream3 - name of 3rd stream
* @param id3 - last stream id of 3rd stream
* @param stream4 - name of 4th stream
* @param id4 - last stream id of 4th stream
* @param stream5 - name of 4th stream
* @param id5 - last stream id of 4th stream
* @return arguments object
*/
static StreamMultiReadArgs greaterThan(StreamMessageId id1,
String stream2, StreamMessageId id2,
String stream3, StreamMessageId id3,
String stream4, StreamMessageId id4,
String stream5, StreamMessageId id5) {
Map map = new HashMap<>();
map.put(stream2, id2);
map.put(stream3, id3);
map.put(stream4, id4);
map.put(stream5, id5);
return greaterThan(id1, map);
}
/**
* Defines last stream ids received from all Streams
* including current one.
*
* Read stream data from all defined streams
* with ids greater than defined ids.
*
* @param id1 - last stream id of current stream
* @param offsets - last stream id mapped by stream name
* @return arguments object
*/
static StreamMultiReadArgs greaterThan(StreamMessageId id1, Map offsets) {
return new StreamMultiReadParams(id1, offsets);
}
}