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Java IndexOutput.writeString方法代码示例

本文整理汇总了Java中org.apache.lucene.store.IndexOutput.writeString方法的典型用法代码示例。如果您正苦于以下问题：Java IndexOutput.writeString方法的具体用法？Java IndexOutput.writeString怎么用？Java IndexOutput.writeString使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.lucene.store.IndexOutput的用法示例。


在下文中一共展示了IndexOutput.writeString方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: CompletionFieldsConsumer

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
public CompletionFieldsConsumer(SegmentWriteState state) throws IOException {
    this.delegatesFieldsConsumer = delegatePostingsFormat.fieldsConsumer(state);
    String suggestFSTFile = IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, EXTENSION);
    IndexOutput output = null;
    boolean success = false;
    try {
        output = state.directory.createOutput(suggestFSTFile, state.context);
        CodecUtil.writeHeader(output, CODEC_NAME, SUGGEST_VERSION_CURRENT);
        /*
         * we write the delegate postings format name so we can load it
         * without getting an instance in the ctor
         */
        output.writeString(delegatePostingsFormat.getName());
        output.writeString(writeProvider.getName());
        this.suggestFieldsConsumer = writeProvider.consumer(output);
        success = true;
    } finally {
        if (!success) {
            IOUtils.closeWhileHandlingException(output);
        }
    }
}
开发者ID:baidu，项目名称:Elasticsearch，代码行数:23，代码来源:Completion090PostingsFormat.java

示例2: write

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
/** Save a single segment's info. */
@Override
public void write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext) throws IOException {
  final String fileName = IndexFileNames.segmentFileName(si.name, "", Lucene40SegmentInfoFormat.SI_EXTENSION);
  si.addFile(fileName);

  final IndexOutput output = dir.createOutput(fileName, ioContext);

  boolean success = false;
  try {
    CodecUtil.writeHeader(output, Lucene40SegmentInfoFormat.CODEC_NAME, Lucene40SegmentInfoFormat.VERSION_CURRENT);
    // Write the Lucene version that created this segment, since 3.1
    output.writeString(si.getVersion().toString());
    output.writeInt(si.getDocCount());

    output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
    output.writeStringStringMap(si.getDiagnostics());
    output.writeStringStringMap(Collections.<String,String>emptyMap());
    output.writeStringSet(si.files());

    success = true;
  } finally {
    if (!success) {
      IOUtils.closeWhileHandlingException(output);
      // TODO: why must we do this? do we not get tracking dir wrapper?
      IOUtils.deleteFilesIgnoringExceptions(si.dir, fileName);
    } else {
      output.close();
    }
  }
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:32，代码来源:Lucene40SegmentInfoWriter.java

示例3: write

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
/** Save a single segment's info. */
@Override
public void write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext) throws IOException {
  final String fileName = IndexFileNames.segmentFileName(si.name, "", Lucene46SegmentInfoFormat.SI_EXTENSION);
  si.addFile(fileName);

  final IndexOutput output = dir.createOutput(fileName, ioContext);

  boolean success = false;
  try {
    CodecUtil.writeHeader(output, Lucene46SegmentInfoFormat.CODEC_NAME, Lucene46SegmentInfoFormat.VERSION_CURRENT);
    Version version = si.getVersion();
    if (version.major < 3 || version.major > 4) {
      throw new IllegalArgumentException("invalid major version: should be 3 or 4 but got: " + version.major + " segment=" + si);
    }
    // Write the Lucene version that created this segment, since 3.1
    output.writeString(version.toString());
    output.writeInt(si.getDocCount());

    output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
    output.writeStringStringMap(si.getDiagnostics());
    output.writeStringSet(si.files());
    CodecUtil.writeFooter(output);
    success = true;
  } finally {
    if (!success) {
      IOUtils.closeWhileHandlingException(output);
      // TODO: are we doing this outside of the tracking wrapper? why must SIWriter cleanup like this?
      IOUtils.deleteFilesIgnoringExceptions(si.dir, fileName);
    } else {
      output.close();
    }
  }
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:35，代码来源:Lucene46SegmentInfoWriter.java

示例4: testDummy

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
public void testDummy() throws Exception {
  MockDirectoryWrapper dir = newMockDirectory();
  dir.setAssertNoUnrefencedFilesOnClose(true);
  IndexWriter iw = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, null));
  iw.addDocument(new Document());
  iw.close();
  IndexOutput output = dir.createOutput("_hello.world", IOContext.DEFAULT);
  output.writeString("i am unreferenced!");
  output.close();
  dir.sync(Collections.singleton("_hello.world"));
  dir.close();
}
开发者ID:europeana，项目名称:search，代码行数:13，代码来源:TestFailIfUnreferencedFiles.java

示例5: writeToIndexOutput

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
/**
 * Writes the object vectors to this Lucene output stream.
 * Caller is responsible for opening and closing stream output stream.
 */
public static void writeToIndexOutput(VectorStore objectVectors, FlagConfig flagConfig, IndexOutput outputStream)
    throws IOException {
  // Write header giving vector type and dimension for all vectors.
  outputStream.writeString(generateHeaderString(flagConfig));
  Enumeration<ObjectVector> vecEnum = objectVectors.getAllVectors();

  // Write each vector.
  while (vecEnum.hasMoreElements()) {
    ObjectVector objectVector = vecEnum.nextElement();
    outputStream.writeString(objectVector.getObject().toString());
    objectVector.getVector().writeToLuceneStream(outputStream);
  }
  VerbatimLogger.info("finished writing vectors.\n");
}
开发者ID:semanticvectors，项目名称:semanticvectors，代码行数:19，代码来源:VectorStoreWriter.java

示例6: testListWithinTransaction

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
@Test
public void testListWithinTransaction() throws IOException {
    final Connection con = DataSourceUtils.getConnection(dataSource);

    jdbcDirectory.create();

    String[] list = jdbcDirectory.listAll();
    Assert.assertEquals(0, list.length);

    final IndexOutput indexOutput = jdbcDirectory.createOutput("test1", new IOContext());
    indexOutput.writeString("TEST STRING");
    indexOutput.close();

    jdbcTemplate.executeSelect("select * from test", new JdbcTemplate.ExecuteSelectCallback() {

        @Override
        public void fillPrepareStatement(final PreparedStatement ps) throws Exception {
        }

        @Override
        public Object execute(final ResultSet rs) throws Exception {
            Assert.assertTrue(rs.next());
            return null;
        }
    });

    list = jdbcDirectory.listAll();
    Assert.assertEquals(1, list.length);

    jdbcDirectory.deleteFile("test1");
    list = jdbcDirectory.listAll();
    Assert.assertEquals(0, list.length);

    DataSourceUtils.rollbackConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);
}
开发者ID:unkascrack，项目名称:lucene-jdbcdirectory，代码行数:37，代码来源:JdbcDirectoryGeneralOperationsITest.java

示例7: testDeleteContent

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
@Test
public void testDeleteContent() throws IOException {
    Connection con = DataSourceUtils.getConnection(dataSource);
    jdbcDirectory.create();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);

    con = DataSourceUtils.getConnection(dataSource);
    String[] list = jdbcDirectory.listAll();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);
    Assert.assertEquals(0, list.length);

    con = DataSourceUtils.getConnection(dataSource);
    final IndexOutput indexOutput = jdbcDirectory.createOutput("test1", new IOContext());
    indexOutput.writeString("TEST STRING");
    indexOutput.close();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);

    con = DataSourceUtils.getConnection(dataSource);
    list = jdbcDirectory.listAll();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);
    Assert.assertEquals(1, list.length);

    con = DataSourceUtils.getConnection(dataSource);
    jdbcDirectory.deleteContent();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);

    con = DataSourceUtils.getConnection(dataSource);
    list = jdbcDirectory.listAll();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);
    Assert.assertEquals(0, list.length);
}
开发者ID:unkascrack，项目名称:lucene-jdbcdirectory，代码行数:38，代码来源:JdbcDirectoryGeneralOperationsITest.java

示例8: write3xInfo

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
@Deprecated
public static String write3xInfo(Directory dir, SegmentInfo si, IOContext context) throws IOException {

  // Defensive check: we are about to write this SI in 3.x format, dropping all codec information, etc.
  // so it had better be a 3.x segment or you will get very confusing errors later.
  if ((si.getCodec() instanceof Lucene3xCodec) == false) {
    throw new IllegalStateException("cannot write 3x SegmentInfo unless codec is Lucene3x (got: " + si.getCodec() + ")");
  }

  // NOTE: this is NOT how 3.x is really written...
  String fileName = IndexFileNames.segmentFileName(si.name, "", Lucene3xSegmentInfoFormat.UPGRADED_SI_EXTENSION);
  si.addFile(fileName);

  //System.out.println("UPGRADE write " + fileName);
  boolean success = false;
  IndexOutput output = dir.createOutput(fileName, context);
  try {
    CodecUtil.writeHeader(output, Lucene3xSegmentInfoFormat.UPGRADED_SI_CODEC_NAME, 
                                  Lucene3xSegmentInfoFormat.UPGRADED_SI_VERSION_CURRENT);
    // Write the Lucene version that created this segment, since 3.1
    output.writeString(si.getVersion().toString());
    output.writeInt(si.getDocCount());

    output.writeStringStringMap(si.attributes());

    output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
    output.writeStringStringMap(si.getDiagnostics());
    output.writeStringSet(si.files());

    output.close();

    success = true;
  } finally {
    if (!success) {
      IOUtils.closeWhileHandlingException(output);
      try {
        si.dir.deleteFile(fileName);
      } catch (Throwable t) {
        // Suppress so we keep throwing the original exception
      }
    }
  }

  return fileName;
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:46，代码来源:SegmentInfos.java

示例9: main

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
/**
 * @param args
 */
public static void main(String[] args) {
	// TODO Auto-generated method stub

	try {
	FlagConfig flagConfig 			= FlagConfig.getFlagConfig(args);
	VectorStoreRAM objectVectors 	= new VectorStoreRAM(flagConfig);
	String[] argsRemaining			= flagConfig.remainingArgs;
	String incomingVecs				= argsRemaining[0];
	int newDimension				= Integer.parseInt(argsRemaining[1]);
	objectVectors.initFromFile(incomingVecs);
	
	if (newDimension > flagConfig.dimension())
		{
		
				System.out.println("Incoming file has dimensionality of " +flagConfig.dimension());
				System.out.println("New dimensionality must be less than incoming vector length, quitting");
				System.exit(0);	
		}
	
		String vectorFileName = incomingVecs.replaceAll("\\.bin", "")+"_"+newDimension+".bin";
	  	File vectorFile = new File(vectorFileName);
	    String parentPath = vectorFile.getParent();
	    if (parentPath == null) parentPath = "";
	    FSDirectory fsDirectory = FSDirectory.open(FileSystems.getDefault().getPath(parentPath));
	    IndexOutput outputStream = fsDirectory.createOutput(vectorFile.getName(), IOContext.DEFAULT);
	 	flagConfig.setDimension(newDimension);
		outputStream.writeString(VectorStoreWriter.generateHeaderString(flagConfig));
	    Enumeration<ObjectVector> vecEnum = objectVectors.getAllVectors();

	    // Write each vector.
	    while (vecEnum.hasMoreElements()) {
	      ObjectVector objectVector = vecEnum.nextElement();
	      outputStream.writeString(objectVector.getObject().toString());
	      objectVector.getVector().writeToLuceneStream(outputStream,flagConfig.dimension());
	    }
	    
	    
	    outputStream.close();
	    fsDirectory.close();
		
	    VerbatimLogger.info("wrote "+objectVectors.getNumVectors()+" vectors to file "+ vectorFileName);
	    VerbatimLogger.info("finished writing vectors.\n");
	 		
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
		System.out.println("Usage: VectorStoreTruncater incomingFile.bin newDimensinoality");
	}
	
	
	
}
开发者ID:semanticvectors，项目名称:semanticvectors，代码行数:56，代码来源:VectorStoreTruncater.java

示例10: testList

import org.apache.lucene.store.IndexOutput; //导入方法依赖的package包/类
@Test
public void testList() throws IOException {
    Connection con = DataSourceUtils.getConnection(dataSource);
    jdbcDirectory.create();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);

    con = DataSourceUtils.getConnection(dataSource);
    String[] list = jdbcDirectory.listAll();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);
    Assert.assertEquals(0, list.length);

    con = DataSourceUtils.getConnection(dataSource);
    final IndexOutput indexOutput = jdbcDirectory.createOutput("test1", new IOContext());
    indexOutput.writeString("TEST STRING");
    indexOutput.close();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);

    jdbcTemplate.executeSelect("select * from test", new JdbcTemplate.ExecuteSelectCallback() {

        @Override
        public void fillPrepareStatement(final PreparedStatement ps) throws Exception {
        }

        @Override
        public Object execute(final ResultSet rs) throws Exception {
            Assert.assertTrue(rs.next());
            return null;
        }
    });

    con = DataSourceUtils.getConnection(dataSource);
    list = jdbcDirectory.listAll();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);
    Assert.assertEquals(1, list.length);

    con = DataSourceUtils.getConnection(dataSource);
    jdbcDirectory.deleteFile("test1");
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);

    con = DataSourceUtils.getConnection(dataSource);
    list = jdbcDirectory.listAll();
    DataSourceUtils.commitConnectionIfPossible(con);
    DataSourceUtils.releaseConnection(con);
    Assert.assertEquals(0, list.length);
}
开发者ID:unkascrack，项目名称:lucene-jdbcdirectory，代码行数:51，代码来源:JdbcDirectoryGeneralOperationsITest.java


注：本文中的org.apache.lucene.store.IndexOutput.writeString方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。