From 7e400021726a3e77e645f4d542f34506914e862a Mon Sep 17 00:00:00 2001 From: "Brian S. O'Neill" Date: Sun, 8 Oct 2006 02:07:18 +0000 Subject: Added file system sample. --- .../com/amazon/carbonado/sample/FileInfoTest.java | 92 ++++++++++++++++++++++ .../java/com/amazon/carbonado/stored/FileInfo.java | 9 --- 2 files changed, 92 insertions(+), 9 deletions(-) create mode 100644 src/test/java/com/amazon/carbonado/sample/FileInfoTest.java (limited to 'src') diff --git a/src/test/java/com/amazon/carbonado/sample/FileInfoTest.java b/src/test/java/com/amazon/carbonado/sample/FileInfoTest.java new file mode 100644 index 0000000..0f38de7 --- /dev/null +++ b/src/test/java/com/amazon/carbonado/sample/FileInfoTest.java @@ -0,0 +1,92 @@ +/* + * Copyright 2006 Amazon Technologies, Inc. or its affiliates. + * Amazon, Amazon.com and Carbonado are trademarks or registered trademarks + * of Amazon Technologies, Inc. or its affiliates. All rights reserved. + * + * 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.amazon.carbonado.sample; + +import java.io.File; +import java.io.InputStream; + +import org.joda.time.DateTime; + +import com.amazon.carbonado.Cursor; +import com.amazon.carbonado.Query; +import com.amazon.carbonado.Repository; +import com.amazon.carbonado.Storage; + +import com.amazon.carbonado.lob.FileBlob; + +import com.amazon.carbonado.repo.sleepycat.BDBRepositoryBuilder; + +import com.amazon.carbonado.stored.FileInfo; + +/** + * Test program which implements storage for a simple indexed file system. + * + * @author Brian S O'Neill + */ +public class FileInfoTest { + public static Storage openStorage(String envHome) throws Exception { + BDBRepositoryBuilder builder = new BDBRepositoryBuilder(); + builder.setName("Simple file system"); + builder.setEnvironmentHome(envHome); + builder.setTransactionNoSync(true); + //builder.setProduct("DB"); + + Repository repository = builder.build(); + return repository.storageFor(FileInfo.class); + } + + /** + * @param args [0] - BDB environment home, [1] - optional directory to read + * files from for populating the simple file system + */ + public static void main(String[] args) throws Exception { + Storage storage = openStorage(args[0]); + if (args.length > 1) { + populate(storage, new File(args[1]), null); + } + } + + private static void populate(Storage storage, File file, FileInfo parent) + throws Exception + { + FileInfo info = storage.prepare(); + if (parent != null) { + info.setParentID(parent.getID()); + } + info.setName(file.getName()); + info.setLastModified(new DateTime(file.lastModified())); + + if (file.isFile()) { + info.setDirectory(false); + info.setLength(file.length()); + info.setFileData(new FileBlob(file)); + info.insert(); + } else if (file.isDirectory()) { + info.setDirectory(true); + info.setLength(-1); + info.insert(); + File[] children = file.listFiles(); + if (children != null) { + for (int i=0; i