com.github.arachnidium.core.HandleReceptionist Maven / Gradle / Ivy

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package com.github.arachnidium.core;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.github.arachnidium.core.interfaces.IHasHandle;

/**
 * @author s.tihomirov it registers handles that are instantiated as
 *         {@link IHasHandle}
 */
class HandleReceptionist {

	final private Map handleObjects = Collections
			.synchronizedMap(new HashMap());

	/** adds a new handle that is instantiated as {@link IHasHandle} object **/
	void addKnown(IHasHandle handleObject) {
		handleObjects.put(handleObject.getHandle(), handleObject);
	}

	/** gets {@link IHasHandle} objects **/
	List getInstantiated() {
		return new ArrayList<>(handleObjects.values());
	}

	/** is handle known as instance of {@link IHasHandle} **/
	IHasHandle isInstantiated(String handle) {
		return handleObjects.get(handle);
	}

	/** removes handle that is instantiated as {@link IHasHandle} object **/
	void remove(IHasHandle handle) {
		handleObjects.remove(handle.getHandle());
	}

}