| /* |
| * 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.commons.jcs.jcache.extras.writer; |
| |
| import org.apache.commons.jcs.jcache.extras.closeable.Closeables; |
| |
| import javax.cache.Cache; |
| import javax.cache.configuration.Factory; |
| import javax.cache.integration.CacheWriter; |
| import javax.cache.integration.CacheWriterException; |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| public class CompositeCacheWriter<K, V> implements CacheWriter<K, V>, Closeable, Factory<CacheWriter<K, V>> |
| { |
| private final CacheWriter<K, V>[] writers; |
| |
| public CompositeCacheWriter(final CacheWriter<K, V>... writers) |
| { |
| this.writers = writers; |
| } |
| |
| @Override |
| public void write(final Cache.Entry<? extends K, ? extends V> entry) throws CacheWriterException |
| { |
| CacheWriterException e = null; |
| for (final CacheWriter<K, V> writer : writers) |
| { |
| try |
| { |
| writer.write(entry); |
| } |
| catch (final CacheWriterException ex) |
| { |
| if (e == null) |
| { |
| e = ex; |
| } |
| } |
| } |
| if (e != null) |
| { |
| throw e; |
| } |
| } |
| |
| @Override |
| public void writeAll(final Collection<Cache.Entry<? extends K, ? extends V>> entries) throws CacheWriterException |
| { |
| CacheWriterException e = null; |
| for (final CacheWriter<K, V> writer : writers) |
| { |
| try |
| { |
| writer.writeAll(entries); |
| } |
| catch (final CacheWriterException ex) |
| { |
| if (e == null) |
| { |
| e = ex; |
| } |
| } |
| } |
| if (e != null) |
| { |
| throw e; |
| } |
| } |
| |
| @Override |
| public void delete(final Object key) throws CacheWriterException |
| { |
| CacheWriterException e = null; |
| for (final CacheWriter<K, V> writer : writers) |
| { |
| try |
| { |
| writer.delete(key); |
| } |
| catch (final CacheWriterException ex) |
| { |
| if (e == null) |
| { |
| e = ex; |
| } |
| } |
| } |
| if (e != null) |
| { |
| throw e; |
| } |
| } |
| |
| @Override |
| public void deleteAll(final Collection<?> keys) throws CacheWriterException |
| { |
| CacheWriterException e = null; |
| for (final CacheWriter<K, V> writer : writers) |
| { |
| try |
| { |
| writer.deleteAll(keys); |
| } |
| catch (final CacheWriterException ex) |
| { |
| if (e == null) |
| { |
| e = ex; |
| } |
| } |
| } |
| if (e != null) |
| { |
| throw e; |
| } |
| } |
| |
| @Override |
| public CacheWriter<K, V> create() |
| { |
| return this; |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| Closeables.close(writers); |
| } |
| } |