Example usage for org.apache.lucene.index IndexWriterConfig getCodec

Introduction

In this page you can find the example usage for org.apache.lucene.index IndexWriterConfig getCodec.

Prototype

@Override
    public Codec getCodec() 

Source Link

Usage

From source file:com.rocana.lucene.codec.v1.TestRocanaPerFieldPostingsFormat2.java

License:Apache License

@Test
public void testChangeCodecAndMerge() throws IOException {
    Directory dir = newDirectory();/*from w w w  .  ja  v a 2  s.c o  m*/
    if (VERBOSE) {
        System.out.println("TEST: make new index");
    }
    IndexWriterConfig iwconf = newIndexWriterConfig(new MockAnalyzer(random())).setOpenMode(OpenMode.CREATE)
            .setCodec(new MockCodec());
    iwconf.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
    //((LogMergePolicy) iwconf.getMergePolicy()).setMergeFactor(10);
    IndexWriter writer = newWriter(dir, iwconf);

    addDocs(writer, 10);
    writer.commit();
    assertQuery(new Term("content", "aaa"), dir, 10);
    if (VERBOSE) {
        System.out.println("TEST: addDocs3");
    }
    addDocs3(writer, 10);
    writer.commit();
    writer.close();

    assertQuery(new Term("content", "ccc"), dir, 10);
    assertQuery(new Term("content", "aaa"), dir, 10);
    Codec codec = iwconf.getCodec();

    iwconf = newIndexWriterConfig(new MockAnalyzer(random())).setOpenMode(OpenMode.APPEND).setCodec(codec);
    //((LogMergePolicy) iwconf.getMergePolicy()).setNoCFSRatio(0.0);
    //((LogMergePolicy) iwconf.getMergePolicy()).setMergeFactor(10);
    iwconf.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);

    iwconf.setCodec(new MockCodec2()); // uses standard for field content
    writer = newWriter(dir, iwconf);
    // swap in new codec for currently written segments
    if (VERBOSE) {
        System.out.println("TEST: add docs w/ Standard codec for content field");
    }
    addDocs2(writer, 10);
    writer.commit();
    codec = iwconf.getCodec();
    assertEquals(30, writer.maxDoc());
    assertQuery(new Term("content", "bbb"), dir, 10);
    assertQuery(new Term("content", "ccc"), dir, 10); ////
    assertQuery(new Term("content", "aaa"), dir, 10);

    if (VERBOSE) {
        System.out.println("TEST: add more docs w/ new codec");
    }
    addDocs2(writer, 10);
    writer.commit();
    assertQuery(new Term("content", "ccc"), dir, 10);
    assertQuery(new Term("content", "bbb"), dir, 20);
    assertQuery(new Term("content", "aaa"), dir, 10);
    assertEquals(40, writer.maxDoc());

    if (VERBOSE) {
        System.out.println("TEST: now optimize");
    }
    writer.forceMerge(1);
    assertEquals(40, writer.maxDoc());
    writer.close();
    assertQuery(new Term("content", "ccc"), dir, 10);
    assertQuery(new Term("content", "bbb"), dir, 20);
    assertQuery(new Term("content", "aaa"), dir, 10);

    dir.close();
}

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