/*
 * Copyright (c) 2008-2012 EMC Corporation
 * All Rights Reserved
 */

package com.emc.storageos.db.client.model;

import com.emc.storageos.db.client.upgrade.AddIndexMigrationCallback;

import java.lang.annotation.*;

/**
 * When marked with this annotation, an inverted index is updated whenever
 * the StringSetMap is updated. This inverted index contains
 * 
 * field key -> DataObject.id:permission relation
 * 
 * and can be queried by using Constraint queries
 */
@Documented
@Target({ ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
@UpgradeAllowed(migrationCallback = AddIndexMigrationCallback.class)
public @interface PermissionsIndex {
    String value() default "";
}