Example usage for org.apache.lucene.codecs.lucene50 Lucene50PostingsFormat Lucene50PostingsFormat

Introduction

In this page you can find the example usage for org.apache.lucene.codecs.lucene50 Lucene50PostingsFormat Lucene50PostingsFormat.

Prototype

public Lucene50PostingsFormat() 

Source Link

Document

Creates Lucene50PostingsFormat with default settings.

Usage

From source file:perf.DiskUsage.java

License:Apache License

public static void main(String args[]) throws Exception {
    if (args.length != 1) {
        System.err.println(/*from  w w w .ja v  a2s  . c  o m*/
                "java [-Djava.io.tmpdir=/scratch] [-Dmode=BEST_COMPRESSION] -cp lucene-core.jar:./build DiskUsage <path to lucene index>");
        System.exit(1);
    }

    IndexWriterConfig conf = new IndexWriterConfig(null);
    conf.setOpenMode(OpenMode.CREATE);
    // force codec to write per-field filenames.
    conf.setCodec(new Lucene60Codec(Mode.valueOf(System.getProperty("mode", "BEST_SPEED"))) {
        @Override
        public PostingsFormat getPostingsFormatForField(String field) {
            return new Lucene50PostingsFormat();
        }

        @Override
        public DocValuesFormat getDocValuesFormatForField(String field) {
            return new Lucene54DocValuesFormat();
        }
    });

    Path tmp = Files.createTempDirectory(null);
    System.err.println("analyzing... (using " + tmp + " for temporary storage)");

    try (Directory dir = FSDirectory.open(Paths.get(args[0]));
            DirectoryReader reader = DirectoryReader.open(dir);
            Directory scratch = FSDirectory.open(tmp);
            IndexWriter writer = new IndexWriter(scratch, conf)) {

        CodecReader inputs[] = new CodecReader[reader.leaves().size()];
        for (int i = 0; i < inputs.length; i++) {
            inputs[i] = (CodecReader) reader.leaves().get(i).reader();
        }
        writer.addIndexes(inputs);

        try (DirectoryReader newReader = DirectoryReader.open(writer)) {
            assert newReader.leaves().size() == 1;
            SegmentReader sr = (SegmentReader) newReader.leaves().get(0).reader();
            report(sr, analyzeFields(sr));
        }
    } finally {
        IOUtils.rm(tmp);
    }
}

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From source file:perf.DiskUsage.java

License:Apache License

public static void main(String args[]) throws Exception {
    if (args.length != 1) {
        System.err.println(//from  w  ww. j  a  v a2s  .  c  o m
                "java [-Djava.io.tmpdir=/scratch] [-Dmode=BEST_COMPRESSION] -cp lucene-core.jar:./build DiskUsage <path to lucene index>");
        System.exit(1);
    }

    IndexWriterConfig conf = new IndexWriterConfig(null);
    conf.setOpenMode(OpenMode.CREATE);
    // force codec to write per-field filenames.
    conf.setCodec(new Lucene62Codec(Mode.valueOf(System.getProperty("mode", "BEST_SPEED"))) {
        @Override
        public PostingsFormat getPostingsFormatForField(String field) {
            return new Lucene50PostingsFormat();
        }

        @Override
        public DocValuesFormat getDocValuesFormatForField(String field) {
            return new Lucene54DocValuesFormat();
        }
    });

    Path tmp = Files.createTempDirectory(null);
    System.err.println("analyzing... (using " + tmp + " for temporary storage)");

    try (Directory dir = FSDirectory.open(Paths.get(args[0]));
            DirectoryReader reader = DirectoryReader.open(dir);
            Directory scratch = FSDirectory.open(tmp);
            IndexWriter writer = new IndexWriter(scratch, conf)) {

        CodecReader inputs[] = new CodecReader[reader.leaves().size()];
        for (int i = 0; i < inputs.length; i++) {
            inputs[i] = (CodecReader) reader.leaves().get(i).reader();
        }
        writer.addIndexes(inputs);

        try (DirectoryReader newReader = DirectoryReader.open(writer)) {
            assert newReader.leaves().size() == 1;
            SegmentReader sr = (SegmentReader) newReader.leaves().get(0).reader();
            report(sr, analyzeFields(sr));
        }
    } finally {
        IOUtils.rm(tmp);
    }
}

---

From source file:perf.DiskUsage.java

License:Apache License

public static void main(String args[]) throws Exception {
    if (args.length != 1) {
        System.err.println(//from   w w w  . j  a va  2s  . co  m
                "java [-Djava.io.tmpdir=/scratch] [-Dmode=BEST_COMPRESSION] -cp lucene-core.jar:./build DiskUsage <path to lucene index>");
        System.exit(1);
    }

    IndexWriterConfig conf = new IndexWriterConfig(null);
    conf.setOpenMode(OpenMode.CREATE);
    // force codec to write per-field filenames.
    conf.setCodec(new Lucene70Codec(Mode.valueOf(System.getProperty("mode", "BEST_SPEED"))) {
        @Override
        public PostingsFormat getPostingsFormatForField(String field) {
            return new Lucene50PostingsFormat();
        }

        @Override
        public DocValuesFormat getDocValuesFormatForField(String field) {
            return new Lucene70DocValuesFormat();
        }
    });

    Path tmp = Files.createTempDirectory(null);
    System.err.println("analyzing... (using " + tmp + " for temporary storage)");

    try (Directory dir = FSDirectory.open(Paths.get(args[0]));
            DirectoryReader reader = DirectoryReader.open(dir);
            Directory scratch = FSDirectory.open(tmp);
            IndexWriter writer = new IndexWriter(scratch, conf)) {

        CodecReader inputs[] = new CodecReader[reader.leaves().size()];
        for (int i = 0; i < inputs.length; i++) {
            inputs[i] = (CodecReader) reader.leaves().get(i).reader();
        }
        writer.addIndexes(inputs);

        try (DirectoryReader newReader = DirectoryReader.open(writer)) {
            assert newReader.leaves().size() == 1;
            SegmentReader sr = (SegmentReader) newReader.leaves().get(0).reader();
            report(sr, analyzeFields(sr));
        }
    } finally {
        IOUtils.rm(tmp);
    }
}

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