QueryMessage.java

/*
 * otr4j, the open source java otr library.
 * 
 * Distributable under LGPL license. See terms of license at gnu.org.
 */
package net.java.otr4j.io.messages;

import java.util.List;

/** @author George Politis */
public class QueryMessage extends AbstractMessage {
    // Fields.
    public List<Integer> versions;

    // Ctor.
    protected QueryMessage(int messageType, List<Integer> versions) {
        super(messageType);
        this.versions = versions;
    }

    public QueryMessage(List<Integer> versions) {
        this(MESSAGE_QUERY, versions);
    }

    // Methods.
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + ((versions == null) ? 0 : versions.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (!super.equals(obj))
            return false;
        if (getClass() != obj.getClass())
            return false;
        QueryMessage other = (QueryMessage) obj;
        if (versions == null) {
            if (other.versions != null)
                return false;
        } else if (!versions.equals(other.versions))
            return false;
        return true;
    }

}