Package org.elasticsearch.index.translog

Class BufferedChecksumStreamInput

java.lang.Object

java.io.InputStream

org.elasticsearch.common.io.stream.StreamInput

org.elasticsearch.common.io.stream.FilterStreamInput

org.elasticsearch.index.translog.BufferedChecksumStreamInput

All Implemented Interfaces:

Closeable, AutoCloseable

public final class BufferedChecksumStreamInput
extends FilterStreamInput

Similar to Lucene's BufferedChecksumIndexInput, however this wraps a StreamInput so anything read will update the checksum

Field Summary

Fields inherited from class org.elasticsearch.common.io.stream.FilterStreamInput

delegate

Constructor Summary

Constructors

Constructor	Description
BufferedChecksumStreamInput(StreamInput in, String source)
BufferedChecksumStreamInput(StreamInput in, String source, BufferedChecksumStreamInput reuse)

Method Summary

Modifier and Type	Method	Description
long	getChecksum()
String	getSource()
void	mark(int readlimit)
boolean	markSupported()
int	read()
byte	readByte()	Reads and returns a single byte.
void	readBytes(byte[] b, int offset, int len)	Reads a specified number of bytes into an array at the specified offset.
int	readInt()	Reads four bytes and returns an int.
long	readLong()	Reads eight bytes and returns a long.
short	readShort()
int	readVInt()	Reads an int stored in variable-length format.
long	readVLong()	Reads a long stored in variable-length format.
void	reset()
void	resetDigest()
long	skip(long numBytes)

Methods inherited from class org.elasticsearch.common.io.stream.FilterStreamInput

available, close, ensureCanReadBytes, getVersion, namedWriteableRegistry, readReleasableBytesReference, setVersion

Methods inherited from class org.elasticsearch.common.io.stream.StreamInput

readArray, readArraySize, readBigInteger, readBoolean, readByteArray, readBytesRef, readBytesRef, readBytesReference, readBytesReference, readDouble, readDoubleArray, readEnum, readEnumSet, readException, readFloat, readFloatArray, readFully, readGenericValue, readGeoPoint, readImmutableMap, readInstant, readIntArray, readList, readLongArray, readMap, readMap, readMapOfLists, readNamedWriteable, readNamedWriteable, readNamedWriteableList, readOptionalArray, readOptionalBoolean, readOptionalBytesReference, readOptionalDouble, readOptionalEnum, readOptionalFloat, readOptionalInstant, readOptionalInt, readOptionalLong, readOptionalNamedWriteable, readOptionalSecureString, readOptionalString, readOptionalStringArray, readOptionalStringList, readOptionalText, readOptionalTimeValue, readOptionalTimeZone, readOptionalVInt, readOptionalVLong, readOptionalWriteable, readOptionalZoneId, readOrderedMap, readSecureString, readSet, readString, readStringArray, readStringList, readText, readTimeValue, readTimeZone, readVIntArray, readVIntSlow, readVLongArray, readVLongSlow, readZLong, readZoneId, throwOnBrokenVInt, throwOnBrokenVLong, wrap, wrap

Methods inherited from class java.io.InputStream

nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BufferedChecksumStreamInput

public BufferedChecksumStreamInput(StreamInput in,
 String source,
 BufferedChecksumStreamInput reuse)

BufferedChecksumStreamInput

public BufferedChecksumStreamInput(StreamInput in,
 String source)

Method Details

getChecksum

public long getChecksum()

readByte

public byte readByte()
              throws IOException

Description copied from class: StreamInput

Reads and returns a single byte.

Overrides:

readByte in class FilterStreamInput

Throws:

IOException

readBytes

public void readBytes(byte[] b,
 int offset,
 int len)
               throws IOException

Description copied from class: StreamInput

Reads a specified number of bytes into an array at the specified offset.

Overrides:

readBytes in class FilterStreamInput

Parameters:

b - the array to read bytes into

offset - the offset in the array to start storing bytes

len - the number of bytes to read

Throws:

IOException

readShort

public short readShort()
                throws IOException

Overrides:

readShort in class FilterStreamInput

Throws:

IOException

readInt

public int readInt()
            throws IOException

Description copied from class: StreamInput

Reads four bytes and returns an int.

Overrides:

readInt in class FilterStreamInput

Throws:

IOException

readLong

public long readLong()
              throws IOException

Description copied from class: StreamInput

Reads eight bytes and returns a long.

Overrides:

readLong in class FilterStreamInput

Throws:

IOException

readVInt

public int readVInt()
             throws IOException

Description copied from class: StreamInput

Reads an int stored in variable-length format. Reads between one and five bytes. Smaller values take fewer bytes. Negative numbers will always use all 5 bytes and are therefore better serialized using StreamInput.readInt()

Overrides:

readVInt in class FilterStreamInput

Throws:

IOException

readVLong

public long readVLong()
               throws IOException

Description copied from class: StreamInput

Reads a long stored in variable-length format. Reads between one and ten bytes. Smaller values take fewer bytes. Negative numbers are encoded in ten bytes so prefer StreamInput.readLong() or StreamInput.readZLong() for negative numbers.

Overrides:

readVLong in class FilterStreamInput

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class FilterStreamInput

Throws:

IOException

read

public int read()
         throws IOException

Overrides:

read in class FilterStreamInput

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

skip

public long skip(long numBytes)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

mark

public void mark(int readlimit)

Overrides:

mark in class InputStream

resetDigest

public void resetDigest()

getSource

public String getSource()