/*
* @(#)$Id$
*
* Copyright 2006-2008 Makoto YUI
*
* 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.
*
* Contributors:
* Makoto YUI - initial implementation
*/
package xbird.xquery.misc;
import static xbird.xquery.misc.IStringChunk.STRING_CHUNK_FILE_SUFFIX;
import java.io.File;
import java.io.IOException;
import xbird.storage.DbCollection;
import xbird.storage.io.VarSegments;
import xbird.storage.io.VarSegments.DescriptorType;
import xbird.util.resource.PropertyMap;
/**
*
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
*/
public final class StringChunkLoader {
private StringChunkLoader() {}
public static IStringChunk load(final DbCollection coll) throws IOException {
PropertyMap props = coll.getCollectionProperties();
File chunkFile = getChunkFile(coll);
VarSegments paged = new VarSegments(chunkFile, DescriptorType.hash);
IStringChunk sc = new PagedStringChunk2(paged, props);
return sc;
}
private static File getChunkFile(final DbCollection coll) {
String dir = coll.getAbsolutePath();
String colName = coll.getCollectionName();
File chunkFile = new File(dir, colName + STRING_CHUNK_FILE_SUFFIX);
return chunkFile;
}
}