/*
 * Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hazelcast.impl.monitor;

import com.hazelcast.monitor.LocalSemaphoreOperationStats;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

public class LocalSemaphoreOperationStatsImpl extends LocalOperationStatsSupport
        implements LocalSemaphoreOperationStats {

    OperationStat acquires = new OperationStat(0, 0);
    OperationStat nonAcquires = new OperationStat(0, 0);
    long numberOfRejectedAcquires;
    long numberOfPermitsAcquired;
    long numberOfPermitsReleased;
    long numberOfPermitsAttached;
    long numberOfPermitsDetached;
    long numberOfPermitsReduced;

    void writeDataInternal(DataOutput out) throws IOException {
        acquires.writeData(out);
        nonAcquires.writeData(out);
        out.writeLong(numberOfRejectedAcquires);
        out.writeLong(numberOfPermitsAcquired);
        out.writeLong(numberOfPermitsReleased);
        out.writeLong(numberOfPermitsAttached);
        out.writeLong(numberOfPermitsDetached);
        out.writeLong(numberOfPermitsReduced);
    }

    void readDataInternal(DataInput in) throws IOException {
        (acquires = new OperationStat()).readData(in);
        (nonAcquires = new OperationStat()).readData(in);
        numberOfRejectedAcquires = in.readLong();
        numberOfPermitsAcquired = in.readLong();
        numberOfPermitsReleased = in.readLong();
        numberOfPermitsAttached = in.readLong();
        numberOfPermitsDetached = in.readLong();
        numberOfPermitsReduced = in.readLong();
    }

    public long total() {
        return acquires.count + nonAcquires.count;
    }

    public long getNumberOfAcquireOps() {
        return acquires.count;
    }

    public long getNumberOfNonAcquireOps() {
        return nonAcquires.count;
    }

    public long getTotalAcquireLatency() {
        return acquires.totalLatency;
    }

    public long getTotalNonAcquireLatency() {
        return nonAcquires.totalLatency;
    }

    public long getNumberOfRejectedAcquires() {
        return numberOfRejectedAcquires;
    }

    public long getNumberOfPermitsAcquired() {
        return numberOfPermitsAcquired;
    }

    public long getNumberOfPermitsReduced() {
        return numberOfPermitsReduced;
    }

    public long getNumberOfPermitsReleased() {
        return numberOfPermitsReleased;
    }

    public long getNumberOfAttachedPermits() {
        return numberOfPermitsAttached;
    }

    public long getNumberOfDetachedPermits() {
        return numberOfPermitsDetached;
    }

    public String toString() {
        return "LocalSemaphoreOperationStats{" +
                "total= " + total() +
                ", acquires total:" + acquires +
                ", acquires rejected:" + numberOfRejectedAcquires +
                ", non-acquires:" + nonAcquires +
                ", permits acquired: " + numberOfPermitsAcquired +
                ", permits released: " + numberOfPermitsReleased +
                ", permits attached: " + numberOfPermitsAttached +
                ", permits detached: " + numberOfPermitsDetached +
                ", permits reduced: " + numberOfPermitsReduced +
                "}";
    }
}