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/*
 * Copyright contributors to the Galasa project
 *
 * SPDX-License-Identifier: EPL-2.0
 */
package dev.galasa.docker.internal;

import java.util.HashMap;
import java.util.Set;

/**
 * Docker slot implemtnation to limit the number of concurrently running docker containers.
 * 
 *   
 */
public class DockerSlotImpl {

	private final DockerManagerImpl dockerManager;
	private final HashMap resourceProperties;
	private final String slotName;
	private final DockerEngineImpl dockerEngine;

	/**
	 * Slot stores all the resource properties to aid for clean up.
	 * 
	 * @param dockerManager
	 * @param slotName
	 * @param resourceProperties
	 */
	public DockerSlotImpl(DockerManagerImpl dockerManager, DockerEngineImpl dockerEngine, String slotName, HashMap resourceProperties) {
		this.dockerManager 			= dockerManager;
		this.slotName 				= slotName;
		this.resourceProperties 	= resourceProperties;
		this.dockerEngine			= dockerEngine;
    }

	/**
	 * Free the docker slot with the manager.
	 * 
	 * @throws Exception
	 */
	public void free() throws Exception {
		dockerManager.freeDockerSlot(this);
	}

	/**
	 * Return slot name. E.g. SLOT_L1_0
	 * 
	 * @return String
	 */
	public String getSlotName() {
		return this.slotName;
	}

	/**
	 * Return a set of the resource properties used by this slot.
	 * 
	 * @return Set all the keys
	 */
	public Set getResourcePropertyKeys() {
		return this.resourceProperties.keySet();
	}

	public DockerEngineImpl getDockerEngine() {
		return this.dockerEngine;
	}
}