kieker.model.repository.OperationRepository Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of model Show documentation
Kieker: Application Performance Monitoring and Dynamic Software Analysis
The newest version!
/***************************************************************************
 * Copyright 2022 Kieker Project (http://kieker-monitoring.net)
 *
 * 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 kieker.model.repository;

import java.util.Collection;
import java.util.Hashtable;
import java.util.Map;

import kieker.common.util.signature.Signature;
import kieker.model.system.model.ComponentType;
import kieker.model.system.model.Operation;

/**
 * This is a repository in which the available operations ({@link Operation})
 * can be stored.
 *
 * @author Andre van Hoorn
 *
 * @since 1.1
 */
public class OperationRepository extends AbstractRepository {
	public static final Signature ROOT_SIGNATURE = new Signature(SystemModelRepository.ROOT_NODE_LABEL, new String[] {},
			"<>", new String[] {});
	public static final Operation ROOT_OPERATION = new Operation(AbstractRepository.ROOT_ELEMENT_ID,
			TypeRepository.ROOT_COMPONENT, OperationRepository.ROOT_SIGNATURE);

	private final Map operationsByName = new Hashtable<>(); // NOPMD
																				// (UseConcurrentHashMap)
	private final Map operationsById = new Hashtable<>(); // NOPMD
																				// (UseConcurrentHashMap)

	/**
	 * Creates a new instance of this class using the given parameters.
	 *
	 * @param systemFactory
	 *            The system factory.
	 */
	public OperationRepository(final SystemModelRepository systemFactory) {
		super(systemFactory);
	}

	/**
	 * @param namedIdentifier
	 *            The identifier to search for.
	 *
	 * @return The instance for the passed namedIdentifier; null if no instance with
	 *         this namedIdentifier.
	 */
	public final Operation lookupOperationByNamedIdentifier(final String namedIdentifier) {
		return this.operationsByName.get(namedIdentifier);
	}

	public final Operation createAndRegisterOperation(final String namedIdentifier, final ComponentType componentType,
			final Signature signature) {
		if (this.operationsByName.containsKey(namedIdentifier)) {
			throw new IllegalArgumentException("Element with name " + namedIdentifier + "exists already");
		}
		final int id = this.getAndIncrementNextId();
		final Operation newInst = new Operation(id, componentType, signature);
		this.operationsById.put(id, newInst);
		this.operationsByName.put(namedIdentifier, newInst);
		return newInst;
	}

	/**
	 * Delivers a collection containing all available operations.
	 *
	 * @return The already stored operations.
	 */
	public final Collection getOperations() {
		return this.operationsById.values();
	}
}