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Java Source Code / Java Documentation » Search Engine » compass 2.0 » org.apache.lucene.store.jdbc.index

Source Cross Reference Class Diagram Java Document (Java Doc)

org.apache.lucene.store.jdbc.index .RAMAndFileJdbcIndexOutput

All known Subclasses:   org.apache.lucene.store.jdbc.index.oracle .OracleRAMAndFileJdbcIndexOutput,
RAMAndFileJdbcIndexOutput
public class RAMAndFileJdbcIndexOutput extends IndexOutput implements JdbcIndexConfigurable(Code)
An IndexOutput implementation that initially writes the data to a memory buffer. Once it exceeds the configured threshold ( RAMAndFileJdbcIndexOutput.INDEX_OUTPUT_THRESHOLD_SETTING , will start working with a temporary file, releasing the previous buffer.
author:
   kimchy

Field Summary
final public static long DEFAULT_THRESHOLD
     The default value for the threshold (in bytes).
final public static String INDEX_OUTPUT_THRESHOLD_SETTING
     The threshold setting name.

Method Summary
public void close()

public void configure(String name, JdbcDirectory jdbcDirectory, JdbcFileEntrySettings settings)

protected FileJdbcIndexOutput createFileJdbcIndexOutput()

protected RAMJdbcIndexOutput createRamJdbcIndexOutput()

public void flush()

public long getFilePointer()

public long length()

public void seek(long pos)

public void writeByte(byte b)

public void writeBytes(byte[] b, int offset, int length)


Field Detail
DEFAULT_THRESHOLD
final public static long DEFAULT_THRESHOLD(Code)
The default value for the threshold (in bytes). Currently 16K.

INDEX_OUTPUT_THRESHOLD_SETTING
final public static String INDEX_OUTPUT_THRESHOLD_SETTING(Code)
The threshold setting name. See JdbcFileEntrySettings.setLongSetting(Stringlong) . Should be set in bytes.

Method Detail
close
public void close() throws IOException(Code)

configure
public void configure(String name, JdbcDirectory jdbcDirectory, JdbcFileEntrySettings settings) throws IOException(Code)

createFileJdbcIndexOutput
protected FileJdbcIndexOutput createFileJdbcIndexOutput()(Code)

createRamJdbcIndexOutput
protected RAMJdbcIndexOutput createRamJdbcIndexOutput()(Code)

flush
public void flush() throws IOException(Code)

getFilePointer
public long getFilePointer()(Code)

length
public long length() throws IOException(Code)

seek
public void seek(long pos) throws IOException(Code)

writeByte
public void writeByte(byte b) throws IOException(Code)

writeBytes
public void writeBytes(byte[] b, int offset, int length) throws IOException(Code)

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