import com.subgraph.orchid.Document; //导入依赖的package包/类
public void writeDocuments(List<? extends Document> documents) {
	final File tempFile = createTempFile();
	final FileOutputStream fos = openFileOutputStream(tempFile);
	if(fos == null) {
		return;
	}
	try {
		writeDocumentsToChannel(fos.getChannel(), documents);
		quietClose(fos);
		installTempFile(tempFile);
	} catch (IOException e) {
		logger.warning("I/O error writing to temporary cache file "+ tempFile + " : "+ e);
		return;
	} finally {
		quietClose(fos);
		tempFile.delete();
	}
}
 

import com.subgraph.orchid.Document; //导入依赖的package包/类
public void appendDocuments(List<? extends Document> documents) {
	if(!ensureOpened()) {
		return;
	}
	try {
		final FileChannel channel = openFile.getChannel();
		channel.position(channel.size());
		writeDocumentsToChannel(channel, documents);
		channel.force(true);
	} catch (IOException e) {
		logger.warning("I/O error writing to cache file "+ cacheFilename);
		return;
	}
}
 

import com.subgraph.orchid.Document; //导入依赖的package包/类
public synchronized void writeDocument(CacheFile cacheFile, Document document) {
	writeDocumentList(cacheFile, Arrays.asList(document));
}
 

import com.subgraph.orchid.Document; //导入依赖的package包/类
public synchronized void writeDocumentList(CacheFile cacheFile, List<? extends Document> documents) {
	getStoreFile(cacheFile).writeDocuments(documents);
}
 

import com.subgraph.orchid.Document; //导入依赖的package包/类
public synchronized void appendDocumentList(CacheFile cacheFile, List<? extends Document> documents) {
	getStoreFile(cacheFile).appendDocuments(documents);
}
 

import com.subgraph.orchid.Document; //导入依赖的package包/类
private void writeDocumentsToChannel(FileChannel channel, List<? extends Document> documents) throws IOException {
	for(Document d: documents) {
		writeAllToChannel(channel, d.getRawDocumentBytes());
	}
}