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StoreTest.javaAPI DocApache Lucene 1.93768Mon Feb 27 11:12:34 GMT 2006org.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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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
      store = FSDirectory.getDirectory("test.store", true);

    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", 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);

      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();