| /* |
| * 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.geode.cache; |
| |
| /** |
| * Immutable parameter object for describing how {@linkplain Region.Entry region entries} should be |
| * written to disk. |
| * |
| * @see DiskWriteAttributesFactory |
| * @see AttributesFactory#setDiskWriteAttributes |
| * @see RegionAttributes#getDiskWriteAttributes |
| * @see Region#writeToDisk |
| * |
| * |
| * @since GemFire 3.2 |
| * @deprecated as of 6.5 use {@link DiskStore} instead |
| */ |
| @Deprecated |
| public interface DiskWriteAttributes extends java.io.Serializable { |
| |
| |
| |
| ////////////////////// Instance Methods ////////////////////// |
| |
| |
| |
| /** |
| * Returns true if this <code>DiskWriteAttributes</code> object configures synchronous writes. |
| * |
| * @return Returns true if writes to disk are synchronous and false otherwise |
| * @deprecated as of 6.5 use {@link RegionAttributes#isDiskSynchronous} instead. |
| */ |
| @Deprecated |
| boolean isSynchronous(); |
| |
| |
| /** |
| * Returns true if the oplogs is to be rolled to a more condensed format (on disk) |
| * |
| * @return Returns true if the oplogs is to be rolled or false otherwise |
| */ |
| boolean isRollOplogs(); |
| |
| /** |
| * Get the maximum size in megabytes a single oplog (operation log) file should be |
| * |
| * @return the maximum size the operations log file can be |
| * @deprecated as of 6.5 use {@link DiskStore#getMaxOplogSize()} instead. |
| */ |
| @Deprecated |
| int getMaxOplogSize(); |
| |
| /** |
| * Returns the number of milliseconds that can elapse before unwritten data is written to disk. If |
| * this <code>DiskWriteAttributes</code> configures synchronous writing, then |
| * <code>timeInterval</code> has no meaning. |
| * |
| * @return Returns the time interval in milliseconds that can elapse between two writes to disk |
| * @deprecated as of 6.5 use {@link DiskStore#getTimeInterval()} instead. |
| */ |
| @Deprecated |
| long getTimeInterval(); |
| |
| /** |
| * Returns the number of unwritten bytes of data that can be enqueued before being written to |
| * disk. If this <code>DiskWriteAttributes</code> configures synchronous writing, then |
| * <code>bytesThreshold</code> has no meaning. |
| * |
| * @return Returns the number of bytes that can be buffered before being written to disk |
| * @deprecated as of 6.5 use {@link DiskStore#getQueueSize()} instead. |
| */ |
| @Deprecated |
| long getBytesThreshold(); |
| |
| /** |
| * Two <code>DiskWriteAttributes</code> are equal if the both specify the synchronous writes, or |
| * they both specify asynchronous writes with the same time interval, bytes threshold, |
| * maxOplogSize and compaction values |
| * |
| * @return true if o is equal else false |
| */ |
| boolean equals(Object o); |
| |
| } |