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Continual's modeling library.

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/*
 *	Copyright 2019, Continual.io
 *
 *	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 io.continual.services.model.core;

import java.util.Set;

import io.continual.iam.access.AccessControlList;
import io.continual.util.data.json.JsonSerialized;

/**
 * Model object metadata contains information about the object.
 */
public interface ModelObjectMetadata extends JsonSerialized
{
	/**
	 * Get the ACL for this object
	 * @return an ACL
	 */
	AccessControlList getAccessControlList ( );

	/**
	 * Get the set of locked type names for this object
	 * @return a set of 0 or more type names
	 */
	Set getLockedTypes ();

	/**
	 * Get the creation timestamp
	 * @return a timestamp as epoch ms
	 */
	long getCreateTimeMs ();

	/**
	 * Get the last update timestamp
	 * @return a timestamp as epoch ms
	 */
	long getLastUpdateTimeMs ();
}