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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
/**
* 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.cluster;
import org.redisson.misc.RedisURI;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import static org.redisson.connection.MasterSlaveConnectionManager.MAX_SLOT;
/**
*
* @author Nikita Koksharov
*
*/
public class ClusterPartition {
public enum Type {MASTER, SLAVE}
private Type type = Type.MASTER;
private final String nodeId;
private boolean masterFail;
private RedisURI masterAddress;
private final Set slaveAddresses = Collections.newSetFromMap(new ConcurrentHashMap<>());
private final Set failedSlaves = Collections.newSetFromMap(new ConcurrentHashMap<>());
private BitSet slots;
private Set slotRanges = Collections.emptySet();
private ClusterPartition parent;
private int references;
private long time = System.currentTimeMillis();
public ClusterPartition(String nodeId) {
super();
this.nodeId = nodeId;
}
public ClusterPartition getParent() {
return parent;
}
public void setParent(ClusterPartition parent) {
this.parent = parent;
}
public void setType(Type type) {
this.type = type;
}
public Type getType() {
return type;
}
public String getNodeId() {
return nodeId;
}
public void setMasterFail(boolean masterFail) {
this.masterFail = masterFail;
}
public boolean isMasterFail() {
return masterFail;
}
public void updateSlotRanges(Set ranges, BitSet slots) {
this.slotRanges = ranges;
this.slots = slots;
}
public void setSlotRanges(Set ranges) {
slots = new BitSet(MAX_SLOT);
for (ClusterSlotRange clusterSlotRange : ranges) {
slots.set(clusterSlotRange.getStartSlot(), clusterSlotRange.getEndSlot() + 1);
}
slotRanges = ranges;
}
public Set getSlotRanges() {
return Collections.unmodifiableSet(slotRanges);
}
public Iterable getSlots() {
return slots.stream()::iterator;
}
public BitSet slots() {
return slots;
}
public BitSet copySlots() {
return (BitSet) slots.clone();
}
public boolean hasSlot(int slot) {
return slots.get(slot);
}
public int getSlotsAmount() {
return slots.cardinality();
}
public RedisURI getMasterAddress() {
return masterAddress;
}
public void setMasterAddress(RedisURI masterAddress) {
this.masterAddress = masterAddress;
}
public void addFailedSlaveAddress(RedisURI address) {
failedSlaves.add(address);
}
public Set getFailedSlaveAddresses() {
return Collections.unmodifiableSet(failedSlaves);
}
public void removeFailedSlaveAddress(RedisURI uri) {
failedSlaves.remove(uri);
}
public void addSlaveAddress(RedisURI address) {
slaveAddresses.add(address);
}
public Set getSlaveAddresses() {
return Collections.unmodifiableSet(slaveAddresses);
}
public void removeSlaveAddress(RedisURI uri) {
slaveAddresses.remove(uri);
failedSlaves.remove(uri);
}
public void incReference() {
references++;
}
public int decReference() {
return --references;
}
public long getTime() {
return time;
}
@Override
public int hashCode() {
return Objects.hash(nodeId);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ClusterPartition that = (ClusterPartition) o;
return Objects.equals(nodeId, that.nodeId);
}
@Override
public String toString() {
return "ClusterPartition [nodeId=" + nodeId + ", masterFail=" + masterFail + ", masterAddress=" + masterAddress
+ ", slaveAddresses=" + slaveAddresses + ", failedSlaves=" + failedSlaves + ", slotRanges=" + slotRanges
+ "]";
}
}
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