Example usage for org.apache.lucene.store RAMDirectory createOutput

Introduction

In this page you can find the example usage for org.apache.lucene.store RAMDirectory createOutput.

Prototype

@Override
    public IndexOutput createOutput(String name, IOContext context) throws IOException 

Source Link

Usage

From source file:org.elasticsearch.common.lucene.store.InputStreamIndexInputTests.java

License:Apache License

@Test
public void testReadMultiFourBytesLimit() throws IOException {
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("test", IOContext.DEFAULT);
    for (int i = 0; i < 3; i++) {
        output.writeByte((byte) 1);
    }/*from  w  ww  .  j a v  a2 s.  c o m*/
    for (int i = 0; i < 3; i++) {
        output.writeByte((byte) 2);
    }

    output.close();

    IndexInput input = dir.openInput("test", IOContext.DEFAULT);

    byte[] read = new byte[4];

    assertThat(input.getFilePointer(), lessThan(input.length()));
    InputStreamIndexInput is = new InputStreamIndexInput(input, 4);
    assertThat(is.actualSizeToRead(), equalTo(4l));
    assertThat(is.read(read), equalTo(4));
    assertThat(read[0], equalTo((byte) 1));
    assertThat(read[1], equalTo((byte) 1));
    assertThat(read[2], equalTo((byte) 1));
    assertThat(read[3], equalTo((byte) 2));

    assertThat(input.getFilePointer(), lessThan(input.length()));
    is = new InputStreamIndexInput(input, 4);
    assertThat(is.actualSizeToRead(), equalTo(2l));
    assertThat(is.read(read), equalTo(2));
    assertThat(read[0], equalTo((byte) 2));
    assertThat(read[1], equalTo((byte) 2));

    assertThat(input.getFilePointer(), equalTo(input.length()));
    is = new InputStreamIndexInput(input, 4);
    assertThat(is.actualSizeToRead(), equalTo(0l));
    assertThat(is.read(read), equalTo(-1));
}

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From source file:org.elasticsearch.common.lucene.store.InputStreamIndexInputTests.java

License:Apache License

@Test
public void testMarkRest() throws Exception {
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("test", IOContext.DEFAULT);
    for (int i = 0; i < 3; i++) {
        output.writeByte((byte) 1);
    }//w ww  .j  a v  a 2 s .  c  o m
    for (int i = 0; i < 3; i++) {
        output.writeByte((byte) 2);
    }

    output.close();

    IndexInput input = dir.openInput("test", IOContext.DEFAULT);
    InputStreamIndexInput is = new InputStreamIndexInput(input, 4);
    assertThat(is.markSupported(), equalTo(true));
    assertThat(is.read(), equalTo(1));
    assertThat(is.read(), equalTo(1));
    is.mark(0);
    assertThat(is.read(), equalTo(1));
    assertThat(is.read(), equalTo(2));
    is.reset();
    assertThat(is.read(), equalTo(1));
    assertThat(is.read(), equalTo(2));
}

---

From source file:org.elasticsearch.search.suggest.completion.CompletionPostingsFormatTest.java

License:Apache License

@Test
public void testNoDocs() throws IOException {
    AnalyzingCompletionLookupProvider provider = new AnalyzingCompletionLookupProvider(true, false, true, true);
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("foo.txt", IOContext.DEFAULT);
    FieldsConsumer consumer = provider.consumer(output);
    FieldInfo fieldInfo = new FieldInfo("foo", true, 1, false, true, true,
            IndexOptions.DOCS_AND_FREQS_AND_POSITIONS, DocValuesType.SORTED, DocValuesType.BINARY,
            new HashMap<String, String>());
    TermsConsumer addField = consumer.addField(fieldInfo);
    addField.finish(0, 0, 0);/*from   ww w .  jav  a  2s . co m*/
    consumer.close();
    output.close();

    IndexInput input = dir.openInput("foo.txt", IOContext.DEFAULT);
    LookupFactory load = provider.load(input);
    PostingsFormatProvider format = new PreBuiltPostingsFormatProvider(new Elasticsearch090PostingsFormat());
    NamedAnalyzer analyzer = new NamedAnalyzer("foo", new StandardAnalyzer(TEST_VERSION_CURRENT));
    assertNull(load.getLookup(
            new CompletionFieldMapper(new Names("foo"), analyzer, analyzer, format, null, true, true, true,
                    Integer.MAX_VALUE, AbstractFieldMapper.MultiFields.empty(), null),
            new CompletionSuggestionContext(null)));
    dir.close();
}

---

From source file:org.elasticsearch.search.suggest.completion.CompletionPostingsFormatTests.java

License:Apache License

@Test
public void testNoDocs() throws IOException {
    AnalyzingCompletionLookupProvider provider = new AnalyzingCompletionLookupProvider(true, false, true, true);
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("foo.txt", IOContext.DEFAULT);
    FieldsConsumer consumer = provider.consumer(output);
    consumer.write(new Fields() {
        @Override//  w w  w .  j av  a  2  s. c om
        public Iterator<String> iterator() {
            return Arrays.asList("foo").iterator();
        }

        @Override
        public Terms terms(String field) throws IOException {
            return null;
        }

        @Override
        public int size() {
            return 1;
        }
    });
    consumer.close();
    output.close();

    IndexInput input = dir.openInput("foo.txt", IOContext.DEFAULT);
    LookupFactory load = provider.load(input);
    CompletionFieldMapper.CompletionFieldType fieldType = FIELD_TYPE.clone();
    fieldType.setProvider(provider);
    assertNull(load.getLookup(fieldType, new CompletionSuggestionContext(null)));
    dir.close();
}

---

From source file:org.elasticsearch.search.suggest.completion.old.CompletionPostingsFormatTest.java

License:Apache License

@Test
public void testNoDocs() throws IOException {
    AnalyzingCompletionLookupProvider provider = new AnalyzingCompletionLookupProvider(true, false, true, true);
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("foo.txt", IOContext.DEFAULT);
    FieldsConsumer consumer = provider.consumer(output);
    consumer.write(new Fields() {
        @Override/*from  w w  w  .ja va2s .c  om*/
        public Iterator<String> iterator() {
            return Arrays.asList("foo").iterator();
        }

        @Override
        public Terms terms(String field) throws IOException {
            return null;
        }

        @Override
        public int size() {
            return 1;
        }
    });
    consumer.close();
    output.close();

    IndexInput input = dir.openInput("foo.txt", IOContext.DEFAULT);
    LookupFactory load = provider.load(input);
    OldCompletionFieldMapper.CompletionFieldType fieldType = FIELD_TYPE.clone();
    fieldType.setProvider(provider);
    assertNull(load.getLookup(fieldType, new CompletionSuggestionContext(null)));
    dir.close();
}

---

From source file:org.elasticsearch.search.suggest.CompletionPostingsFormatTest.java

License:Apache License

@Test
public void testCompletionPostingsFormat() throws IOException {
    AnalyzingCompletionLookupProvider provider = new AnalyzingCompletionLookupProvider(true, false, true, true);
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("foo.txt", IOContext.DEFAULT);
    FieldsConsumer consumer = provider.consumer(output);
    FieldInfo fieldInfo = new FieldInfo("foo", true, 1, false, true, true,
            IndexOptions.DOCS_AND_FREQS_AND_POSITIONS, DocValuesType.SORTED, DocValuesType.BINARY,
            new HashMap<String, String>());
    TermsConsumer addField = consumer.addField(fieldInfo);

    PostingsConsumer postingsConsumer = addField.startTerm(new BytesRef("foofightersgenerator"));
    postingsConsumer.startDoc(0, 1);//from  w ww.  jav a2 s .  co  m
    postingsConsumer.addPosition(256 - 2,
            provider.buildPayload(new BytesRef("Generator - Foo Fighters"), 9, new BytesRef("id:10")), 0, 1);
    postingsConsumer.finishDoc();
    addField.finishTerm(new BytesRef("foofightersgenerator"), new TermStats(1, 1));
    addField.startTerm(new BytesRef("generator"));
    postingsConsumer.startDoc(0, 1);
    postingsConsumer.addPosition(256 - 1,
            provider.buildPayload(new BytesRef("Generator - Foo Fighters"), 9, new BytesRef("id:10")), 0, 1);
    postingsConsumer.finishDoc();
    addField.finishTerm(new BytesRef("generator"), new TermStats(1, 1));
    addField.finish(1, 1, 1);
    consumer.close();
    output.close();

    IndexInput input = dir.openInput("foo.txt", IOContext.DEFAULT);
    LookupFactory load = provider.load(input);
    PostingsFormatProvider format = new PreBuiltPostingsFormatProvider(new ElasticSearch090PostingsFormat());
    NamedAnalyzer analyzer = new NamedAnalyzer("foo", new StandardAnalyzer(TEST_VERSION_CURRENT));
    Lookup lookup = load.getLookup(new CompletionFieldMapper(new Names("foo"), analyzer, analyzer, format, null,
            true, true, true, Integer.MAX_VALUE), new CompletionSuggestionContext(null));
    List<LookupResult> result = lookup.lookup("ge", false, 10);
    assertThat(result.get(0).key.toString(), equalTo("Generator - Foo Fighters"));
    assertThat(result.get(0).payload.utf8ToString(), equalTo("id:10"));
    dir.close();
}

---

From source file:org.elasticsearch.search.suggest.CompletionPostingsFormatTest.java

License:Apache License

@Test
public void testNoDocs() throws IOException {
    AnalyzingCompletionLookupProvider provider = new AnalyzingCompletionLookupProvider(true, false, true, true);
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("foo.txt", IOContext.DEFAULT);
    FieldsConsumer consumer = provider.consumer(output);
    FieldInfo fieldInfo = new FieldInfo("foo", true, 1, false, true, true,
            IndexOptions.DOCS_AND_FREQS_AND_POSITIONS, DocValuesType.SORTED, DocValuesType.BINARY,
            new HashMap<String, String>());
    TermsConsumer addField = consumer.addField(fieldInfo);
    addField.finish(0, 0, 0);/*from w  w  w .  ja v  a2s .  co  m*/
    consumer.close();
    output.close();

    IndexInput input = dir.openInput("foo.txt", IOContext.DEFAULT);
    LookupFactory load = provider.load(input);
    PostingsFormatProvider format = new PreBuiltPostingsFormatProvider(new ElasticSearch090PostingsFormat());
    NamedAnalyzer analyzer = new NamedAnalyzer("foo", new StandardAnalyzer(TEST_VERSION_CURRENT));
    assertNull(load.getLookup(new CompletionFieldMapper(new Names("foo"), analyzer, analyzer, format, null,
            true, true, true, Integer.MAX_VALUE), new CompletionSuggestionContext(null)));
    dir.close();
}

---

From source file:org.elasticsearch.test.integration.search.suggest.CompletionPostingsFormatTest.java

License:Apache License

@Test
public void testCompletionPostingsFormat() throws IOException {
    AnalyzingCompletionLookupProvider provider = new AnalyzingCompletionLookupProvider(true, false, true, true);
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("foo.txt", IOContext.DEFAULT);
    FieldsConsumer consumer = provider.consumer(output);
    FieldInfo fieldInfo = new FieldInfo("foo", true, 1, false, true, true,
            IndexOptions.DOCS_AND_FREQS_AND_POSITIONS, DocValuesType.SORTED, DocValuesType.BINARY,
            new HashMap<String, String>());
    TermsConsumer addField = consumer.addField(fieldInfo);

    PostingsConsumer postingsConsumer = addField.startTerm(new BytesRef("foofightersgenerator"));
    postingsConsumer.startDoc(0, 1);/*from  www.  j av  a 2  s .  c  o  m*/
    postingsConsumer.addPosition(256 - 2,
            provider.buildPayload(new BytesRef("Generator - Foo Fighters"), 9, new BytesRef("id:10")), 0, 1);
    postingsConsumer.finishDoc();
    addField.finishTerm(new BytesRef("foofightersgenerator"), new TermStats(1, 1));
    addField.startTerm(new BytesRef("generator"));
    postingsConsumer.startDoc(0, 1);
    postingsConsumer.addPosition(256 - 1,
            provider.buildPayload(new BytesRef("Generator - Foo Fighters"), 9, new BytesRef("id:10")), 0, 1);
    postingsConsumer.finishDoc();
    addField.finishTerm(new BytesRef("generator"), new TermStats(1, 1));
    addField.finish(1, 1, 1);
    consumer.close();
    output.close();

    IndexInput input = dir.openInput("foo.txt", IOContext.DEFAULT);
    LookupFactory load = provider.load(input);
    PostingsFormatProvider format = new PreBuiltPostingsFormatProvider(new ElasticSearch090PostingsFormat());
    NamedAnalyzer analyzer = new NamedAnalyzer("foo", new StandardAnalyzer(TEST_VERSION_CURRENT));
    Lookup lookup = load.getLookup(
            new CompletionFieldMapper(new Names("foo"), analyzer, analyzer, format, null, true, true, true),
            false);
    List<LookupResult> result = lookup.lookup("ge", false, 10);
    assertThat(result.get(0).key.toString(), equalTo("Generator - Foo Fighters"));
    assertThat(result.get(0).payload.utf8ToString(), equalTo("id:10"));
    dir.close();
}

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