Example usage for org.apache.lucene.store IOContext DEFAULT

Introduction

In this page you can find the example usage for org.apache.lucene.store IOContext DEFAULT.

Prototype

IOContext DEFAULT

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Usage

From source file:com.bah.lucene.BaseDirectoryTestSuite.java

License:Apache License

@Test
public void testWritingAndReadingAFile() throws IOException {

    IndexOutput output = directory.createOutput("testing.test", IOContext.DEFAULT);
    output.writeInt(12345);// w  w  w  .  j  av a2  s  .c o  m
    output.flush();
    output.close();

    IndexInput input = directory.openInput("testing.test", IOContext.DEFAULT);
    assertEquals(12345, input.readInt());
    input.close();

    String[] listAll = directory.listAll();
    assertEquals(1, listAll.length);
    assertEquals("testing.test", listAll[0]);

    assertEquals(4, directory.fileLength("testing.test"));

    IndexInput input1 = directory.openInput("testing.test", IOContext.DEFAULT);

    IndexInput input2 = (IndexInput) input1.clone();
    assertEquals(12345, input2.readInt());
    input2.close();

    assertEquals(12345, input1.readInt());
    input1.close();

    assertFalse(directory.fileExists("testing.test.other"));
    assertTrue(directory.fileExists("testing.test"));
    directory.deleteFile("testing.test");
    assertFalse(directory.fileExists("testing.test"));
}

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From source file:com.bah.lucene.BaseDirectoryTestSuite.java

License:Apache License

private void testEof(String name, Directory directory, long length) throws IOException {
    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    try {/*from   w  ww  . j  a  va2 s . c  o  m*/
        input.seek(length);
        input.readByte();
        fail("should throw eof");
    } catch (IOException e) {
    }
}

---

From source file:com.bah.lucene.BaseDirectoryTestSuite.java

License:Apache License

private void assertInputsEquals(String name, Directory fsDir, Directory hdfs) throws IOException {
    int reads = random.nextInt(MAX_NUMBER_OF_READS);
    IndexInput fsInput = fsDir.openInput(name, IOContext.DEFAULT);
    IndexInput hdfsInput = hdfs.openInput(name, IOContext.DEFAULT);
    assertEquals(fsInput.length(), hdfsInput.length());
    int fileLength = (int) fsInput.length();
    for (int i = 0; i < reads; i++) {
        byte[] fsBuf = new byte[random.nextInt(Math.min(MAX_BUFFER_SIZE - MIN_BUFFER_SIZE, fileLength))
                + MIN_BUFFER_SIZE];//from   w  w  w.  j a  v  a 2  s .c  om
        byte[] hdfsBuf = new byte[fsBuf.length];
        int offset = random.nextInt(fsBuf.length);
        int length = random.nextInt(fsBuf.length - offset);
        int pos = random.nextInt(fileLength - length);
        fsInput.seek(pos);
        fsInput.readBytes(fsBuf, offset, length);
        hdfsInput.seek(pos);
        hdfsInput.readBytes(hdfsBuf, offset, length);
        for (int f = offset; f < length; f++) {
            if (fsBuf[f] != hdfsBuf[f]) {
                fail();
            }
        }
    }
    fsInput.close();
    hdfsInput.close();
}

---

From source file:com.bah.lucene.BaseDirectoryTestSuite.java

License:Apache License

private void createFile(String name, Directory fsDir, Directory hdfs) throws IOException {
    int writes = random.nextInt(MAX_NUMBER_OF_WRITES);
    int fileLength = random.nextInt(MAX_FILE_SIZE - MIN_FILE_SIZE) + MIN_FILE_SIZE;
    IndexOutput fsOutput = fsDir.createOutput(name, IOContext.DEFAULT);
    fsOutput.setLength(fileLength);/*w w  w . jav a  2s  .co  m*/
    IndexOutput hdfsOutput = hdfs.createOutput(name, IOContext.DEFAULT);
    hdfsOutput.setLength(fileLength);
    for (int i = 0; i < writes; i++) {
        byte[] buf = new byte[random.nextInt(Math.min(MAX_BUFFER_SIZE - MIN_BUFFER_SIZE, fileLength))
                + MIN_BUFFER_SIZE];
        random.nextBytes(buf);
        int offset = random.nextInt(buf.length);
        int length = random.nextInt(buf.length - offset);
        fsOutput.writeBytes(buf, offset, length);
        hdfsOutput.writeBytes(buf, offset, length);
    }
    fsOutput.close();
    hdfsOutput.close();
}

---

From source file:com.bah.lucene.blockcache.BlockDirectoryTest.java

License:Apache License

private void testEof(String name, Directory directory, long length) throws IOException {
    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    input.seek(length);//from w  w  w .  j a  va2s .c  o  m
    try {
        input.readByte();
        fail("should throw eof");
    } catch (IOException e) {
    }
}

---

From source file:com.bah.lucene.blockcache.BlockDirectoryTest.java

License:Apache License

private void assertInputsEquals(String name, Directory fsDir, Directory hdfs) throws IOException {
    int reads = random.nextInt(MAX_NUMBER_OF_READS);
    IndexInput fsInput = fsDir.openInput(name, IOContext.DEFAULT);
    IndexInput hdfsInput = hdfs.openInput(name, IOContext.DEFAULT);
    assertEquals(fsInput.length(), hdfsInput.length());
    int fileLength = (int) fsInput.length();
    if (fileLength != 0) {
        for (int i = 0; i < reads; i++) {
            byte[] fsBuf = new byte[random.nextInt(Math.min(MAX_BUFFER_SIZE - MIN_BUFFER_SIZE, fileLength))
                    + MIN_BUFFER_SIZE];//w w  w  .  j  a  v a  2s .  c  o m
            byte[] hdfsBuf = new byte[fsBuf.length];
            int offset = random.nextInt(fsBuf.length);
            int length = random.nextInt(fsBuf.length - offset);
            int pos = random.nextInt(fileLength - length);
            fsInput.seek(pos);
            fsInput.readBytes(fsBuf, offset, length);
            hdfsInput.seek(pos);
            hdfsInput.readBytes(hdfsBuf, offset, length);
            for (int f = offset; f < length; f++) {
                if (fsBuf[f] != hdfsBuf[f]) {
                    fail(Long.toString(seed) + " read [" + i + "]");
                }
            }
        }
    }
    fsInput.close();
    hdfsInput.close();
}

---

From source file:com.bah.lucene.blockcache.BlockDirectoryTest.java

License:Apache License

private void createFile(String name, Directory fsDir, Directory hdfs) throws IOException {
    int writes = random.nextInt(MAX_NUMBER_OF_WRITES);
    int fileLength = random.nextInt(MAX_FILE_SIZE - MIN_FILE_SIZE) + MIN_FILE_SIZE;
    IndexOutput fsOutput = fsDir.createOutput(name, IOContext.DEFAULT);
    IndexOutput hdfsOutput = hdfs.createOutput(name, IOContext.DEFAULT);
    for (int i = 0; i < writes; i++) {
        byte[] buf = new byte[random.nextInt(Math.min(MAX_BUFFER_SIZE - MIN_BUFFER_SIZE, fileLength))
                + MIN_BUFFER_SIZE];//from w ww .j  a v a2 s.  c om
        random.nextBytes(buf);
        int offset = random.nextInt(buf.length);
        int length = random.nextInt(buf.length - offset);
        fsOutput.writeBytes(buf, offset, length);
        hdfsOutput.writeBytes(buf, offset, length);
    }
    fsOutput.close();
    hdfsOutput.close();
}

---

From source file:com.bah.lucene.blockcache_v2.CacheDirectoryTest.java

License:Apache License

@Test
public void test1() throws IOException {
    IndexOutput output = _cacheDirectory.createOutput("test.file", IOContext.DEFAULT);
    output.writeLong(0);//w w  w.ja  v a  2s  . c  om
    output.writeLong(1);
    output.writeLong(2);
    output.close();

    IndexInput input = _cacheDirectory.openInput("test.file", IOContext.DEFAULT);
    assertEquals(0, input.readLong());
    assertEquals(1, input.readLong());
    assertEquals(2, input.readLong());
    input.close();
}

---

From source file:com.bah.lucene.blockcache_v2.CacheDirectoryTest.java

License:Apache License

@Test
public void test2() throws IOException {
    IndexOutput output = _cacheDirectory.createOutput("test.file", IOContext.DEFAULT);
    byte[] buf = new byte[9000];
    for (int i = 0; i < buf.length; i++) {
        buf[i] = (byte) i;
    }//  w  w w . j  a v  a 2 s  . c om
    output.writeBytes(buf, buf.length);
    output.close();

    IndexInput input = _cacheDirectory.openInput("test.file", IOContext.DEFAULT);
    assertEquals(9000, input.length());
    input.close();
}

---

From source file:com.bah.lucene.blockcache_v2.CacheIndexInputTest.java

License:Apache License

@Test
public void test1() throws IOException {
    RAMDirectory directory = new RAMDirectory();

    String name = "test";

    IndexOutput output = directory.createOutput(name, IOContext.DEFAULT);
    byte[] bs = "hello world".getBytes();
    output.writeBytes(bs, bs.length);//from w  w w . j  av a 2 s.co  m
    output.close();

    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    Cache cache = getCache();
    CacheIndexInput cacheInput = new CacheIndexInput(null, name, input, cache);
    byte[] buf = new byte[bs.length];
    cacheInput.readBytes(buf, 0, buf.length);
    cacheInput.close();

    assertArrayEquals(bs, buf);
    directory.close();
}

---

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