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/***************************************************************************
 * 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.common.record.flow;

import kieker.common.exception.RecordInstantiationException;
import kieker.common.record.AbstractMonitoringRecord;
import kieker.common.record.io.IValueDeserializer;

/**
 * @author Jan Waller
 *         API compatibility: Kieker 1.15.0
 *
 * @since 1.5
 */
public abstract class AbstractEvent extends AbstractMonitoringRecord implements IEventRecord {

	/** default constants. */
	public static final long TIMESTAMP = 0L;
	private static final long serialVersionUID = -8847127127729394312L;

	/** property declarations. */
	private long timestamp;

	/**
	 * Creates a new instance of this class using the given parameters.
	 *
	 * @param timestamp
	 *            timestamp
	 */
	public AbstractEvent(final long timestamp) {
		this.timestamp = timestamp;
	}

	/**
	 * @param deserializer
	 *            The deserializer to use
	 * @throws RecordInstantiationException
	 *             when the record could not be deserialized
	 */
	public AbstractEvent(final IValueDeserializer deserializer) throws RecordInstantiationException {
		this.timestamp = deserializer.getLong();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean equals(final Object obj) {
		if (obj == null) {
			return false;
		}
		if (obj == this) {
			return true;
		}
		if (obj.getClass() != this.getClass()) {
			return false;
		}

		final AbstractEvent castedRecord = (AbstractEvent) obj;
		if ((this.getLoggingTimestamp() != castedRecord.getLoggingTimestamp()) || (this.getTimestamp() != castedRecord.getTimestamp())) {
			return false;
		}

		return true;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public int hashCode() {
		int code = 0;
		code += ((int) this.getTimestamp());

		return code;
	}

	public final long getTimestamp() {
		return this.timestamp;
	}

	public final void setTimestamp(final long timestamp) {
		this.timestamp = timestamp;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String toString() {
		String result = "AbstractEvent: ";
		result += "timestamp = ";
		result += this.getTimestamp() + ", ";

		return result;
	}
}