Initial code merge

src/main/java/com/google/code/gossip/GossipMember.java

@@ -0,0 +1,138 @@
+package com.google.code.gossip;
+
+import java.net.InetSocketAddress;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * A abstract class representing a gossip member.
+ * 
+ * @author joshclemm, harmenw
+ */
+public abstract class GossipMember {
+	/** The JSON key for the host property. */
+	public static final String JSON_HOST = "host";
+	/** The JSON key for the port property. */
+	public static final String JSON_PORT = "port";
+	/** The JSON key for the heartbeat property. */
+	public static final String JSON_HEARTBEAT = "heartbeat";
+
+	/** The hostname or IP address of this gossip member. */
+	protected String _host;
+	
+	/** The port number of this gossip member. */
+	protected int _port;
+
+	/** The current heartbeat of this gossip member. */
+	protected int _heartbeat;
+	
+	/**
+	 * Constructor.
+	 * @param host The hostname or IP address.
+	 * @param port The port number.
+	 * @param heartbeat The current heartbeat.
+	 */
+	public GossipMember(String host, int port, int heartbeat) {
+		_host = host;
+		_port = port;
+		_heartbeat = heartbeat;
+	}
+	
+	/**
+	 * Get the hostname or IP address of the remote gossip member.
+	 * @return The hostname or IP address.
+	 */
+	public String getHost() {
+		return _host;
+	}
+	
+	/**
+	 * Get the port number of the remote gossip member.
+	 * @return The port number.
+	 */
+	public int getPort() {
+		return _port;
+	}
+
+	/**
+	 * The member address in the form IP/host:port
+	 * Similar to the toString in {@link InetSocketAddress}
+	 */
+	public String getAddress() {
+		return _host+":"+_port;
+	}
+
+	/**
+	 * Get the heartbeat of this gossip member.
+	 * @return The current heartbeat.
+	 */
+	public int getHeartbeat() {
+		return _heartbeat;
+	}
+	
+	/**
+	 * Set the heartbeat of this gossip member.
+	 * @param heartbeat The new heartbeat.
+	 */
+	public void setHeartbeat(int heartbeat) {
+		this._heartbeat = heartbeat;
+	}
+
+	/**
+	 * @see java.lang.Object#toString()
+	 */
+	public String toString() {
+		return "Member [address=" + getAddress() + ", heartbeat=" + _heartbeat + "]";
+	}
+
+	/**
+	 * @see java.lang.Object#hashCode()
+	 */
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		String address = getAddress();
+		result = prime * result
+		+ ((address == null) ? 0 : address.hashCode());
+		return result;
+	}
+
+	/**
+	 * @see java.lang.Object#equals(java.lang.Object)
+	 */
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj) {
+			return true;
+		}
+		if (obj == null) {
+			System.err.println("equals(): obj is null.");
+			return false;
+		}
+		if (! (obj instanceof GossipMember) ) {
+			System.err.println("equals(): obj is not of type GossipMember.");
+			return false;
+		}
+		// The object is the same of they both have the same address (hostname and port).
+		return getAddress().equals(((LocalGossipMember) obj).getAddress());
+	}
+
+	/**
+	 * Get the JSONObject which is the JSON representation of this GossipMember.
+	 * @return The JSONObject of this GossipMember.
+	 */
+	public JSONObject toJSONObject() {
+		try {
+			JSONObject jsonObject = new JSONObject();
+			jsonObject.put(JSON_HOST, _host);
+			jsonObject.put(JSON_PORT, _port);
+			jsonObject.put(JSON_HEARTBEAT, _heartbeat);
+			return jsonObject;
+		} catch (JSONException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+}