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StoreTest.javaAPI DocApache Lucene 2.1.04056Wed Feb 14 10:46:36 GMT 2007org.apache.lucene

StoreTest

public class StoreTest extends Object
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.

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Constructors Summary
Methods Summary
public static voidmain(java.lang.String[] args)

    try {
      test(1000, true, true);
    } catch (Exception e) {
		e.printStackTrace();
    }
public static voidtest(int count, boolean ram, boolean buffered)

    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();