Package com.google.common.hash

Class AbstractNonStreamingHashFunction.BufferingHasher

java.lang.Object

com.google.common.hash.AbstractHasher

com.google.common.hash.AbstractNonStreamingHashFunction.BufferingHasher

All Implemented Interfaces:

Hasher, PrimitiveSink

Enclosing class:

AbstractNonStreamingHashFunction

private final class AbstractNonStreamingHashFunction.BufferingHasher
extends AbstractHasher

In-memory stream-based implementation of Hasher.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) AbstractNonStreamingHashFunction.ExposedByteArrayOutputStream	stream

Constructor Summary

Constructors

Constructor	Description
BufferingHasher(int expectedInputSize)

Method Summary

Modifier and Type	Method	Description
HashCode	hash()	Computes a hash code based on the data that have been provided to this hasher.
Hasher	putByte(byte b)	Puts a byte into this sink.
Hasher	putBytes(byte[] bytes, int off, int len)	Puts a chunk of an array of bytes into this sink.
Hasher	putBytes(java.nio.ByteBuffer bytes)	Puts the remaining bytes of a byte buffer into this sink.

Methods inherited from class com.google.common.hash.AbstractHasher

putBoolean, putBytes, putChar, putDouble, putFloat, putInt, putLong, putObject, putShort, putString, putUnencodedChars

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.hash.Hasher

hashCode

Field Detail

stream

final AbstractNonStreamingHashFunction.ExposedByteArrayOutputStream stream

Constructor Detail

BufferingHasher

BufferingHasher(int expectedInputSize)

Method Detail

putByte

public Hasher putByte(byte b)

Description copied from interface: PrimitiveSink

Puts a byte into this sink.

Parameters:

b - a byte

Returns:

this instance

putBytes

public Hasher putBytes(byte[] bytes,
                       int off,
                       int len)

Description copied from interface: PrimitiveSink

Puts a chunk of an array of bytes into this sink. bytes[off] is the first byte written, bytes[off + len - 1] is the last.

Specified by:

putBytes in interface Hasher

Specified by:

putBytes in interface PrimitiveSink

Overrides:

putBytes in class AbstractHasher

Parameters:

bytes - a byte array

off - the start offset in the array

len - the number of bytes to write

Returns:

this instance

putBytes

public Hasher putBytes(java.nio.ByteBuffer bytes)

Description copied from interface: PrimitiveSink

Puts the remaining bytes of a byte buffer into this sink. bytes.position() is the first byte written, bytes.limit() - 1 is the last. The position of the buffer will be equal to the limit when this method returns.

Specified by:

putBytes in interface Hasher

Specified by:

putBytes in interface PrimitiveSink

Overrides:

putBytes in class AbstractHasher

Parameters:

bytes - a byte buffer

Returns:

this instance

hash

public HashCode hash()

Description copied from interface: Hasher

Computes a hash code based on the data that have been provided to this hasher. The result is unspecified if this method is called more than once on the same instance.