org.elasticsearch.index.translog

Interface TranslogStream

All Known Implementing Classes:

ChecksummedTranslogStream, LegacyTranslogStream

public interface TranslogStream

A translog stream that will read and write operations in the version-specific format

Method Summary

Modifier and Type	Method and Description
StreamInput	openInput(File translogFile) Seek past the header, if any header is present
Translog.Operation	read(StreamInput in) Read the next translog operation from the input stream
void	write(StreamOutput out, Translog.Operation op) Write the given translog operation to the output stream
int	writeHeader(FileChannel channel) Optionally write a header identifying the translog version to the file channel

Method Detail

read

Translog.Operation read(StreamInput in)
                 throws IOException

Read the next translog operation from the input stream

Throws:

IOException

write

void write(StreamOutput out,
           Translog.Operation op)
    throws IOException

Write the given translog operation to the output stream

Throws:

IOException

writeHeader

int writeHeader(FileChannel channel)
         throws IOException

Optionally write a header identifying the translog version to the file channel

Throws:

IOException

openInput

StreamInput openInput(File translogFile)
               throws IOException

Seek past the header, if any header is present

Throws:

IOException