io.zeebe.gossip.dissemination.GossipSyncResponsePart Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of zb-gossip Show documentation

There is a newer version: 0.16.4

/*
 * Copyright © 2017 camunda services GmbH ([email protected])
 *
 * 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 io.zeebe.gossip.dissemination;

import static io.zeebe.transport.ClientTransport.UNKNOWN_NODE_ID;

import io.zeebe.util.collection.Reusable;
import org.agrona.DirectBuffer;
import org.agrona.ExpandableArrayBuffer;
import org.agrona.MutableDirectBuffer;
import org.agrona.concurrent.UnsafeBuffer;

public class GossipSyncResponsePart implements Reusable {
  private int nodeId;

  private final MutableDirectBuffer payloadBuffer = new ExpandableArrayBuffer();
  private final DirectBuffer payloadView = new UnsafeBuffer(payloadBuffer);
  private int payloadLength = 0;

  public void wrap(int nodeId, DirectBuffer payload, int offset, int length) {
    this.nodeId = nodeId;

    this.payloadLength = length;
    this.payloadBuffer.putBytes(0, payload, offset, length);
  }

  public void wrap(int nodeId, DirectBuffer payload) {
    this.nodeId = nodeId;

    this.payloadLength = payload.capacity();
    this.payloadBuffer.putBytes(0, payload, 0, payloadLength);
  }

  public int getNodeId() {
    return nodeId;
  }

  public DirectBuffer getPayload() {
    payloadView.wrap(payloadBuffer, 0, payloadLength);
    return payloadView;
  }

  @Override
  public void reset() {
    nodeId = UNKNOWN_NODE_ID;
    payloadLength = 0;
  }
}