Copyright 2015 Netflix, Inc.
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.
/**
 * Copyright 2015 Netflix, Inc.
 * 
 * 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.netflix.hystrix.metric;

import com.netflix.hystrix.HystrixCommandKey;
import com.netflix.hystrix.HystrixCommandProperties;
import com.netflix.hystrix.HystrixThreadPoolKey;

Data class that get fed to event stream when a command starts executing.
/**
 * Data class that get fed to event stream when a command starts executing.
 */
public class HystrixCommandExecutionStarted extends HystrixCommandEvent {
    private final HystrixCommandProperties.ExecutionIsolationStrategy isolationStrategy;
    private final int currentConcurrency;

    public HystrixCommandExecutionStarted(HystrixCommandKey commandKey, HystrixThreadPoolKey threadPoolKey,
                                          HystrixCommandProperties.ExecutionIsolationStrategy isolationStrategy,
                                          int currentConcurrency) {
        super(commandKey, threadPoolKey);
        this.isolationStrategy = isolationStrategy;
        this.currentConcurrency = currentConcurrency;
    }

    @Override
    public boolean isExecutionStart() {
        return true;
    }

    @Override
    public boolean isExecutedInThread() {
        return isolationStrategy == HystrixCommandProperties.ExecutionIsolationStrategy.THREAD;
    }

    @Override
    public boolean isResponseThreadPoolRejected() {
        return false;
    }

    @Override
    public boolean isCommandCompletion() {
        return false;
    }

    @Override
    public boolean didCommandExecute() {
        return false;
    }

    public int getCurrentConcurrency() {
        return currentConcurrency;
    }

}