package org.apache.lucene;
/**
* 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.
*/
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.IndexInput;
import org.apache.lucene.store.IndexOutput;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util._TestUtil;
import java.util.Date;
import java.util.Random;
class StoreTest {
public static void main(String[] args) {
try {
test(1000, true, true);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void test(int count, boolean ram, boolean buffered)
throws Exception {
Random gen = new Random(1251971);
int i;
Date veryStart = new Date();
Date start = new Date();
Directory store;
if (ram)
store = new RAMDirectory();
else {
String dirName = "test.store";
_TestUtil.rmDir(dirName);
store = FSDirectory.getDirectory(dirName);
}
final int LENGTH_MASK = 0xFFF;
final byte[] buffer = new byte[LENGTH_MASK];
for (i = 0; i < count; i++) {
String name = i + ".dat";
int length = gen.nextInt() & LENGTH_MASK;
byte b = (byte)(gen.nextInt() & 0x7F);
//System.out.println("filling " + name + " with " + length + " of " + b);
IndexOutput file = store.createOutput(name);
if (buffered) {
for (int j = 0; j < length; j++)
buffer[j] = b;
file.writeBytes(buffer, length);
} else {
for (int j = 0; j < length; j++)
file.writeByte(b);
}
file.close();
}
store.close();
Date end = new Date();
System.out.print(end.getTime() - start.getTime());
System.out.println(" total milliseconds to create");
gen = new Random(1251971);
start = new Date();
if (!ram)
store = FSDirectory.getDirectory("test.store");
for (i = 0; i < count; i++) {
String name = i + ".dat";
int length = gen.nextInt() & LENGTH_MASK;
byte b = (byte)(gen.nextInt() & 0x7F);
//System.out.println("reading " + name + " with " + length + " of " + b);
IndexInput file = store.openInput(name);
if (file.length() != length)
throw new Exception("length incorrect");
byte[] content = new byte[length];
if (buffered) {
file.readBytes(content, 0, length);
// check the buffer
for (int j = 0; j < length; j++)
if (content[j] != b)
throw new Exception("contents incorrect");
} else {
for (int j = 0; j < length; j++)
if (file.readByte() != b)
throw new Exception("contents incorrect");
}
file.close();
}
end = new Date();
System.out.print(end.getTime() - start.getTime());
System.out.println(" total milliseconds to read");
gen = new Random(1251971);
start = new Date();
for (i = 0; i < count; i++) {
String name = i + ".dat";
//System.out.println("deleting " + name);
store.deleteFile(name);
}
end = new Date();
System.out.print(end.getTime() - start.getTime());
System.out.println(" total milliseconds to delete");
System.out.print(end.getTime() - veryStart.getTime());
System.out.println(" total milliseconds");
store.close();
}
}
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