/*
 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package org.graalvm.visualvm.lib.jfluid.wireprotocol;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;


/**
 * This Response, issued by the back end, contains the current information about the number of objects allocated
 * for each type.
 *
 * @author Misha Dmitriev
 * @author Ian Formanek
 */
public class ObjectAllocationResultsResponse extends Response {
    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private int[] results;
    private int nEntries;

    //~ Constructors -------------------------------------------------------------------------------------------------------------

    public ObjectAllocationResultsResponse(int[] results, int nEntries) {
        super(true, OBJECT_ALLOCATION_RESULTS);
        this.results = results;
        this.nEntries = nEntries;
    }

    // Custom serialization support
    ObjectAllocationResultsResponse() {
        super(true, OBJECT_ALLOCATION_RESULTS);
    }

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public int[] getResults() {
        return results;
    }

    // For debugging
    public String toString() {
        return "ObjectAllocationResultsResponse, entries: " + nEntries + ", " + super.toString(); // NOI18N
    }

    void readObject(ObjectInputStream in) throws IOException {
        nEntries = in.readInt();
        results = new int[nEntries];

        for (int i = 0; i < nEntries; i++) {
            results[i] = in.readInt();
        }
    }

    void writeObject(ObjectOutputStream out) throws IOException {
        out.writeInt(nEntries);

        for (int i = 0; i < nEntries; i++) {
            out.writeInt(results[i]);
        }

        results = null;
    }
}
