1 /*

     2  * otr4j, the open source java otr library.

     3  *

     4  * Distributable under LGPL license.

     5  * See terms of license at gnu.org.

     6  */

     7 package net.java.otr4j.io.messages;

     8 

     9 import java.util.List;

    10 

    11 /**

    12  * 

    13  * @author George Politis

    14  */

    15 public class QueryMessage extends AbstractMessage {

    16 	// Fields.

    17 	public List<Integer> versions;

    18 

    19 	// Ctor.

    20 	protected QueryMessage(int messageType, List<Integer> versions) {

    21 		super(messageType);

    22 		this.versions = versions;

    23 	}

    24 

    25 	public QueryMessage(List<Integer> versions) {

    26 		this(MESSAGE_QUERY, versions);

    27 	}

    28 

    29 	// Methods.

    30 	@Override

    31 	public int hashCode() {

    32 		final int prime = 31;

    33 		int result = super.hashCode();

    34 		result = prime * result

    35 				+ ((versions == null) ? 0 : versions.hashCode());

    36 		return result;

    37 	}

    38 

    39 	@Override

    40 	public boolean equals(Object obj) {

    41 		if (this == obj)

    42 			return true;

    43 		if (!super.equals(obj))

    44 			return false;

    45 		if (getClass() != obj.getClass())

    46 			return false;

    47 		QueryMessage other = (QueryMessage) obj;

    48 		if (versions == null) {

    49 			if (other.versions != null)

    50 				return false;

    51 		} else if (!versions.equals(other.versions))

    52 			return false;

    53 		return true;

    54 	}

    55 

    56 }