com.phloc.commons.cache.SimpleCache Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2014 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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 com.phloc.commons.cache;
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import com.phloc.commons.ValueEnforcer;
import com.phloc.commons.state.EChange;
/**
* Implementation of the {@link SimpleCacheMBean} interface. Is a wrapper around
* an {@link AbstractCache}.
*
* @author Philip Helger
*/
final class SimpleCache implements SimpleCacheMBean
{
private final AbstractCache m_aCache;
public SimpleCache (@Nonnull final AbstractCache aCache)
{
m_aCache = ValueEnforcer.notNull (aCache, "Cache");
}
@Nonnegative
public int size ()
{
return m_aCache.size ();
}
public boolean isEmpty ()
{
return m_aCache.isEmpty ();
}
@Nonnull
public EChange clearCache ()
{
return m_aCache.clearCache ();
}
}