/*
 * Copyright 2017 NAVER Corp.
 *
 * 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.navercorp.pinpoint.profiler.context.provider;

import com.google.inject.Inject;
import com.google.inject.Provider;
import com.navercorp.pinpoint.profiler.context.module.config.DeadlockMonitorEnable;
import com.navercorp.pinpoint.profiler.context.module.config.DeadlockMonitorInterval;
import com.navercorp.pinpoint.profiler.monitor.DeadlockMonitor;
import com.navercorp.pinpoint.profiler.monitor.DeadlockThreadRegistry;
import com.navercorp.pinpoint.profiler.monitor.DefaultDeadlockMonitor;
import com.navercorp.pinpoint.profiler.monitor.DisabledDeadlockMonitor;

/**
 * @author Taejin Koo
 */
public class DeadlockMonitorProvider implements Provider<DeadlockMonitor> {

    private final boolean deadlockMonitorEnable;
    private final DeadlockThreadRegistry deadlockThreadRegistry;
    private final long deadlockMonitorInterval;

    @Inject
    public DeadlockMonitorProvider(@DeadlockMonitorEnable boolean deadlockMonitorEnable,
                                   @DeadlockMonitorInterval long deadlockMonitorInterval,
                                   DeadlockThreadRegistry deadlockThreadRegistry) {
        this.deadlockMonitorEnable = deadlockMonitorEnable;
        this.deadlockThreadRegistry = deadlockThreadRegistry;
        this.deadlockMonitorInterval = deadlockMonitorInterval;
    }

    @Override
    public DeadlockMonitor get() {
        if (deadlockMonitorEnable) {
            return new DefaultDeadlockMonitor(deadlockThreadRegistry, deadlockMonitorInterval);
        } else {
            return new DisabledDeadlockMonitor();
        }
    }

}
