org.apache.activemq.artemis.shaded.org.jgroups.stack.StateTransferInfo Maven / Gradle / Ivy

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package org.apache.activemq.artemis.shaded.org.jgroups.stack;


import org.apache.activemq.artemis.shaded.org.jgroups.Address;


/**
 * Contains parameters for state transfer. Exchanged between channel and STATE_TRANSFER
 * layer. The state is retrieved from 'target'. If target is null, then the state will be retrieved from the oldest
 * member (usually the coordinator).
 * @author Bela Ban
 */
public class StateTransferInfo {
    public Address      target=null;
    public long         timeout=0;
    public byte[]       state=null;



    public StateTransferInfo() {
    }

    public StateTransferInfo(Address target) {
        this.target=target;
    }

     public StateTransferInfo(Address target, long timeout) {
        this.target=target;
        this.timeout=timeout;
    }

    public StateTransferInfo(Address target, long timeout, byte[] state) {
        this.target=target;
        this.timeout=timeout;
        this.state=state;
    }



    public StateTransferInfo copy() {
        return new StateTransferInfo(target, timeout, state);
    }


    public String toString() {
        StringBuilder ret=new StringBuilder();
        ret.append("target=" + target);
        if(state != null)
            ret.append(", state=" + state.length + " bytes");
        ret.append(", timeout=" + timeout);
        return ret.toString();
    }
}