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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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
*
* 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 org.apache.cassandra.utils;
/**
* Enable certain features for a specific method or class.
*
* Note that presently class level annotations are not inherited by inner classes.
*
* TODO: support package level, and apply to all nested classes
*/
public @interface Simulate
{
enum With
{
/**
* Calls to FBUtilities.timestampMicros() will be guaranteed globally monotonically increasing.
*
* May be annotated at the method or class level.
*/
GLOBAL_CLOCK,
/**
* synchronized methods and blocks, and wait/notify.
*
* May be annotated at the class level.
*/
MONITORS,
/**
* Usages of LockSupport. This defaults to ON for all classes, including system classes.
*
* May be annotated at the method or class level.
*/
LOCK_SUPPORT
}
With[] with() default {};
With[] without() default {};
}