| package org.apache.commons.jcs3.auxiliary.disk; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.apache.commons.jcs3.engine.CacheElement; |
| import org.apache.commons.jcs3.engine.behavior.ICacheElement; |
| import org.apache.commons.jcs3.engine.behavior.IElementAttributes; |
| |
| /** |
| * Implementation of cache elements in purgatory. |
| * |
| * Elements are stored in purgatory when they are spooled to the auxiliary cache, but have not yet |
| * been written to disk. |
| */ |
| public class PurgatoryElement<K, V> |
| extends CacheElement<K, V> |
| { |
| /** Don't change */ |
| private static final long serialVersionUID = -8152034342684135628L; |
| |
| /** Is the element ready to be spooled? */ |
| private boolean spoolable = false; |
| |
| /** Wrapped cache Element */ |
| private final ICacheElement<K, V> cacheElement; |
| |
| /** |
| * Constructor for the PurgatoryElement<K, V> object |
| * |
| * @param cacheElement CacheElement |
| */ |
| public PurgatoryElement( final ICacheElement<K, V> cacheElement ) |
| { |
| super(cacheElement.getCacheName(), |
| cacheElement.getKey(), cacheElement.getVal(), |
| cacheElement.getElementAttributes()); |
| this.cacheElement = cacheElement; |
| } |
| |
| /** |
| * Gets the spoolable property. |
| * |
| * @return The spoolable value |
| */ |
| public boolean isSpoolable() |
| { |
| return spoolable; |
| } |
| |
| /** |
| * Sets the spoolable property. |
| * |
| * @param spoolable The new spoolable value |
| */ |
| public void setSpoolable( final boolean spoolable ) |
| { |
| this.spoolable = spoolable; |
| } |
| |
| /** |
| * Get the wrapped cache element. |
| * |
| * @return ICacheElement |
| */ |
| public ICacheElement<K, V> getCacheElement() |
| { |
| return cacheElement; |
| } |
| |
| // ------------------------------------------------ interface ICacheElement |
| |
| /** |
| * @return cacheElement.getCacheName(); |
| * @see ICacheElement#getCacheName |
| */ |
| @Override |
| public String getCacheName() |
| { |
| return cacheElement.getCacheName(); |
| } |
| |
| /** |
| * @return cacheElement.getKey(); |
| * @see ICacheElement#getKey |
| */ |
| @Override |
| public K getKey() |
| { |
| return cacheElement.getKey(); |
| } |
| |
| /** |
| * @return cacheElement.getVal(); |
| * @see ICacheElement#getVal |
| */ |
| @Override |
| public V getVal() |
| { |
| return cacheElement.getVal(); |
| } |
| |
| /** |
| * @return cacheElement.getElementAttributes(); |
| * @see ICacheElement#getElementAttributes |
| */ |
| @Override |
| public IElementAttributes getElementAttributes() |
| { |
| return cacheElement.getElementAttributes(); |
| } |
| |
| /** |
| * @param attr |
| * @see ICacheElement#setElementAttributes |
| */ |
| @Override |
| public void setElementAttributes( final IElementAttributes attr ) |
| { |
| cacheElement.setElementAttributes( attr ); |
| } |
| |
| /** |
| * @return debug string |
| */ |
| @Override |
| public String toString() |
| { |
| final StringBuilder buf = new StringBuilder(); |
| buf.append( "[PurgatoryElement: " ); |
| buf.append( " isSpoolable = " + isSpoolable() ); |
| buf.append( " CacheElement = " + getCacheElement() ); |
| buf.append( " CacheName = " + getCacheName() ); |
| buf.append( " Key = " + getKey() ); |
| buf.append( " Value = " + getVal() ); |
| buf.append( " ElementAttributes = " + getElementAttributes() ); |
| buf.append( "]" ); |
| return buf.toString(); |
| } |
| } |