Whew
This commit is contained in:
Edward Capriolo
@ -24,158 +24,176 @@ import org.json.JSONObject;
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/**
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* A abstract class representing a gossip member.
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*
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*
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* @author joshclemm, harmenw
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*/
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public abstract class GossipMember implements Comparable<GossipMember>{
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public abstract class GossipMember implements Comparable<GossipMember> {
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public static final String JSON_HOST = "host";
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public static final String JSON_PORT = "port";
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public static final String JSON_HEARTBEAT = "heartbeat";
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public static final String JSON_ID = "id";
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public static final String JSON_CLUSTER = "cluster";
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protected final String _host;
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protected final int _port;
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protected volatile long _heartbeat;
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protected final String _clusterName;
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/**
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* The purpose of the id field is to be able for nodes to identify themselves beyond there host/port. For example
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* an application might generate a persistent id so if they rejoin the cluster at a different host and port we
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* are aware it is the same node.
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*/
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protected String _id;
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public static final String JSON_HOST = "host";
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/**
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* Constructor.
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* @param host The hostname or IP address.
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* @param port The port number.
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* @param heartbeat The current heartbeat.
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* @param id an id that may be replaced after contact
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*/
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public GossipMember(String clusterName, String host, int port, String id, long heartbeat) {
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_clusterName = clusterName;
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_host = host;
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_port = port;
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_id = id;
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_heartbeat = heartbeat;
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}
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public static final String JSON_PORT = "port";
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/**
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* Get the name of the cluster the member belongs to.
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*
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* @return The cluster name
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*/
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public String getClusterName(){
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return _clusterName;
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}
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public static final String JSON_HEARTBEAT = "heartbeat";
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/**
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* Get the hostname or IP address of the remote gossip member.
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* @return The hostname or IP address.
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*/
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public String getHost() {
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return _host;
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}
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public static final String JSON_ID = "id";
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/**
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* Get the port number of the remote gossip member.
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* @return The port number.
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*/
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public int getPort() {
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return _port;
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}
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public static final String JSON_CLUSTER = "cluster";
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/**
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* The member address in the form IP/host:port
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* Similar to the toString in {@link InetSocketAddress}
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*/
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public String getAddress() {
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return _host+":"+_port;
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}
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protected final String host;
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/**
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* Get the heartbeat of this gossip member.
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* @return The current heartbeat.
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*/
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public long getHeartbeat() {
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return _heartbeat;
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}
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protected final int port;
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/**
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* Set the heartbeat of this gossip member.
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* @param heartbeat The new heartbeat.
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*/
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public void setHeartbeat(long heartbeat) {
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this._heartbeat = heartbeat;
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}
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protected volatile long heartbeat;
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protected final String clusterName;
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public String getId() {
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return _id;
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/**
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* The purpose of the id field is to be able for nodes to identify themselves beyond there
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* host/port. For example an application might generate a persistent id so if they rejoin the
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* cluster at a different host and port we are aware it is the same node.
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*/
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protected String id;
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/**
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* Constructor.
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*
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* @param host
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* The hostname or IP address.
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* @param port
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* The port number.
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* @param heartbeat
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* The current heartbeat.
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* @param id
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* an id that may be replaced after contact
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*/
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public GossipMember(String clusterName, String host, int port, String id, long heartbeat) {
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this.clusterName = clusterName;
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this.host = host;
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this.port = port;
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this.id = id;
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this.heartbeat = heartbeat;
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}
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/**
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* Get the name of the cluster the member belongs to.
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*
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* @return The cluster name
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*/
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public String getClusterName() {
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return clusterName;
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}
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/**
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* Get the hostname or IP address of the remote gossip member.
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*
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* @return The hostname or IP address.
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*/
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public String getHost() {
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return host;
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}
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/**
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* Get the port number of the remote gossip member.
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*
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* @return The port number.
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*/
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public int getPort() {
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return port;
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}
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/**
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* The member address in the form IP/host:port Similar to the toString in
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* {@link InetSocketAddress}
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*/
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public String getAddress() {
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return host + ":" + port;
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}
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/**
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* Get the heartbeat of this gossip member.
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*
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* @return The current heartbeat.
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*/
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public long getHeartbeat() {
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return heartbeat;
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}
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/**
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* Set the heartbeat of this gossip member.
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*
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* @param heartbeat
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* The new heartbeat.
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*/
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public void setHeartbeat(long heartbeat) {
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this.heartbeat = heartbeat;
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}
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public String getId() {
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return id;
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}
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public void setId(String _id) {
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this._id = _id;
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this.id = _id;
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}
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public String toString() {
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return "Member [address=" + getAddress() + ", id=" + _id + ", heartbeat=" + _heartbeat + "]";
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}
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public String toString() {
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return "Member [address=" + getAddress() + ", id=" + id + ", heartbeat=" + heartbeat + "]";
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}
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/**
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* @see java.lang.Object#hashCode()
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*/
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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String address = getAddress();
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result = prime * result
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+ ((address == null) ? 0 : address.hashCode())
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+ _clusterName == null ? 0 : _clusterName.hashCode();
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return result;
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}
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/**
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* @see java.lang.Object#hashCode()
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*/
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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String address = getAddress();
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result = prime * result + ((address == null) ? 0 : address.hashCode()) + clusterName == null ? 0
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: clusterName.hashCode();
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return result;
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}
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/**
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null) {
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System.err.println("equals(): obj is null.");
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return false;
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}
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if (! (obj instanceof GossipMember) ) {
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System.err.println("equals(): obj is not of type GossipMember.");
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return false;
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}
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// The object is the same of they both have the same address (hostname and port).
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return getAddress().equals(((LocalGossipMember) obj).getAddress()) &&
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getClusterName().equals(((LocalGossipMember) obj).getClusterName());
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}
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/**
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null) {
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System.err.println("equals(): obj is null.");
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return false;
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}
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if (!(obj instanceof GossipMember)) {
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System.err.println("equals(): obj is not of type GossipMember.");
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return false;
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}
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// The object is the same of they both have the same address (hostname and port).
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return getAddress().equals(((LocalGossipMember) obj).getAddress())
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&& getClusterName().equals(((LocalGossipMember) obj).getClusterName());
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}
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/**
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* Get the JSONObject which is the JSON representation of this GossipMember.
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* @return The JSONObject of this GossipMember.
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*/
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public JSONObject toJSONObject() {
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try {
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JSONObject jsonObject = new JSONObject();
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jsonObject.put(JSON_CLUSTER, _clusterName);
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jsonObject.put(JSON_HOST, _host);
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jsonObject.put(JSON_PORT, _port);
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jsonObject.put(JSON_ID, _id);
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jsonObject.put(JSON_HEARTBEAT, _heartbeat);
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return jsonObject;
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} catch (JSONException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* Get the JSONObject which is the JSON representation of this GossipMember.
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*
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* @return The JSONObject of this GossipMember.
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*/
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public JSONObject toJSONObject() {
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try {
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JSONObject jsonObject = new JSONObject();
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jsonObject.put(JSON_CLUSTER, clusterName);
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jsonObject.put(JSON_HOST, host);
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jsonObject.put(JSON_PORT, port);
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jsonObject.put(JSON_ID, id);
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jsonObject.put(JSON_HEARTBEAT, heartbeat);
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return jsonObject;
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} catch (JSONException e) {
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throw new RuntimeException(e);
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}
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}
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public int compareTo(GossipMember other){
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return this.getAddress().compareTo(other.getAddress());
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}
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public int compareTo(GossipMember other) {
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return this.getAddress().compareTo(other.getAddress());
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}
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}
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