com.hazelcast.cp.internal.session.operation.HeartbeatSessionOp Maven / Gradle / Ivy

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/*
 * Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
 *
 * 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.hazelcast.cp.internal.session.operation;

import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.cp.CPGroupId;
import com.hazelcast.cp.internal.RaftOp;
import com.hazelcast.cp.internal.IndeterminateOperationStateAware;
import com.hazelcast.cp.internal.session.RaftSessionService;
import com.hazelcast.cp.internal.session.RaftSessionServiceDataSerializerHook;
import com.hazelcast.cp.internal.session.SessionExpiredException;

import java.io.IOException;

/**
 * Pushes given session's heartbeat timeout forward. Fails with
 * {@link SessionExpiredException} if the given session is already closed.
 */
public class HeartbeatSessionOp extends RaftOp implements IndeterminateOperationStateAware, IdentifiedDataSerializable {

    private long sessionId;

    public HeartbeatSessionOp() {
    }

    public HeartbeatSessionOp(long sessionId) {
        this.sessionId = sessionId;
    }

    @Override
    public Object run(CPGroupId groupId, long commitIndex) {
        RaftSessionService service = getService();
        service.heartbeat(groupId, sessionId);
        return null;
    }

    @Override
    public boolean isRetryableOnIndeterminateOperationState() {
        return true;
    }

    @Override
    public String getServiceName() {
        return RaftSessionService.SERVICE_NAME;
    }

    @Override
    public int getFactoryId() {
        return RaftSessionServiceDataSerializerHook.F_ID;
    }

    @Override
    public int getClassId() {
        return RaftSessionServiceDataSerializerHook.HEARTBEAT_SESSION_OP;
    }

    @Override
    public void writeData(ObjectDataOutput out) throws IOException {
        out.writeLong(sessionId);
    }

    @Override
    public void readData(ObjectDataInput in) throws IOException {
        sessionId = in.readLong();
    }

    @Override
    protected void toString(StringBuilder sb) {
        sb.append(", sessionId=").append(sessionId);
    }
}