/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* licenses this file to you 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 the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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 org.apereo.portal.events.aggr;
/**
* Context of the current event aggregation run. There is a single instance of this object for each
* aggregation run. It can be used by aggregators to store data across sessions <br>
* NOTE: Attributes are globally scoped, aggregates must make sure the key is appropriate to prevent
* stepping on toes.
*
*/
public interface EventAggregationContext {
/** Store an attribute in the current aggregation context */
void setAttribute(Object key, Object value);
/** Get a value from the current aggregation context */
<T> T getAttribute(Object key);
}