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StoreTest.javaAPI DocApache Lucene 1.4.33305Tue Mar 30 00:48:06 BST 2004org.apache.lucene

StoreTest

public class StoreTest extends Object
Copyright 2004 The Apache Software Foundation 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.

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

    try {
      test(1000, true);
    } catch (Exception e) {
      System.out.println(" caught a " + e.getClass() +
			 "\n with message: " + e.getMessage());
    }
public static voidtest(int count, boolean ram)

    Random gen = new Random(1251971);
    int i;
    
    Date veryStart = new Date();
    Date start = new Date();

    Directory store;
    if (ram)
      store = new RAMDirectory();
    else
      store = FSDirectory.getDirectory("test.store", true);

    final int LENGTH_MASK = 0xFFF;

    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);

      OutputStream file = store.createFile(name);

      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", false);

    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);

      InputStream file = store.openFile(name);

      if (file.length() != length)
	throw new Exception("length incorrect");

      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();