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The API module of Ehcache 3
/*
* Copyright Terracotta, Inc.
*
* 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 org.ehcache;
/**
* Enumeration of {@link CacheManager} and {@link UserManagedCache} statuses.
*
* Instances are allowed the following {@code Status} transitions:
*
* - {@link #UNINITIALIZED} to {@link #AVAILABLE}
* - In case of transition failure, it will remain {@code UNINITIALIZED}
* - {@link #AVAILABLE} to {@link #UNINITIALIZED}
* - In case of transition failure, it still ends up {@code UNINITIALIZED}
* - {@link #UNINITIALIZED} to {@link #MAINTENANCE}
* - In case of transition failure, it will remain {@code UNINITIALIZED}
* - {@link #MAINTENANCE} to {@link #UNINITIALIZED}
* - In case of transition failure, it still ends up {@code UNINITIALIZED}
*
* As such the {@code UNINITIALIZED} state is the fallback state.
*/
public enum Status {
/**
* Uninitialized, indicates it is not ready for use.
*/
UNINITIALIZED,
/**
* Maintenance, indicates exclusive access to allow for restricted operations.
*/
MAINTENANCE,
/**
* Available, indicates it is ready for use.
*/
AVAILABLE,;
}
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