Package io.airlift.slice

Class Slice

java.lang.Object

io.airlift.slice.Slice

All Implemented Interfaces:

Comparable<Slice>

public final class Slice
extends Object
implements Comparable<Slice>

Method Summary

Modifier and Type	Method	Description
byte[]	byteArray()	Returns the byte array wrapped by this Slice.
int	byteArrayOffset()	Returns the start index the content of this slice within the byte array wrapped by this slice.
void	clear()	Fill the slice with zeros;
void	clear(int offset, int length)
int	compareTo(int offset, int length, Slice that, int otherOffset, int otherLength)	Compares a portion of this slice with a portion of the specified slice.
int	compareTo(Slice that)	Compares the content of the specified buffer to the content of this buffer.
Slice	copy()	Returns a copy of this buffer's sub-region.
Slice	copy(int index, int length)	Returns a copy of the specified region.
boolean	equals(int offset, int length, Slice that, int otherOffset, int otherLength)	Compares a portion of this slice with a portion of the specified slice.
boolean	equals(Object o)	Compares the specified object with this slice for equality.
void	fill(byte value)	Fill the slice with the specified value;
byte	getByte(int index)	Gets a byte at the specified absolute index in this buffer.
byte[]	getBytes()	Returns a copy of this buffer as a byte array.
void	getBytes(int index, byte[] destination)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getBytes(int index, byte[] destination, int destinationIndex, int length)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
byte[]	getBytes(int index, int length)	Returns a copy of this buffer as a byte array.
void	getBytes(int index, Slice destination)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getBytes(int index, Slice destination, int destinationIndex, int length)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getBytes(int index, OutputStream out, int length)	Transfers a portion of data from this slice into the specified stream starting at the specified absolute index.
byte	getByteUnchecked(int index)
double	getDouble(int index)	Gets a 64-bit double at the specified absolute index in this buffer.
void	getDoubles(int index, double[] destination)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getDoubles(int index, double[] destination, int destinationIndex, int length)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
double[]	getDoubles(int index, int length)	Returns a copy of this buffer as a double array.
double	getDoubleUnchecked(int index)
float	getFloat(int index)	Gets a 32-bit float at the specified absolute index in this buffer.
void	getFloats(int index, float[] destination)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getFloats(int index, float[] destination, int destinationIndex, int length)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
float[]	getFloats(int index, int length)	Returns a copy of this buffer as a float array.
float	getFloatUnchecked(int index)
BasicSliceInput	getInput()	Creates a slice input backed by this slice.
int	getInt(int index)	Gets a 32-bit integer at the specified absolute index in this buffer.
int[]	getInts(int index, int length)	Returns a copy of this buffer as an int array.
void	getInts(int index, int[] destination)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getInts(int index, int[] destination, int destinationIndex, int length)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
int	getIntUnchecked(int index)
long	getLong(int index)	Gets a 64-bit long integer at the specified absolute index in this buffer.
long[]	getLongs(int index, int length)	Returns a copy of this buffer as a long array.
void	getLongs(int index, long[] destination)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getLongs(int index, long[] destination, int destinationIndex, int length)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
long	getLongUnchecked(int index)
SliceOutput	getOutput()	Creates a slice output backed by this slice.
long	getRetainedSize()	Approximate number of bytes retained by this slice.
short	getShort(int index)	Gets a 16-bit short integer at the specified absolute index in this slice.
short[]	getShorts(int index, int length)	Returns a copy of this buffer as a short array.
void	getShorts(int index, short[] destination)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
void	getShorts(int index, short[] destination, int destinationIndex, int length)	Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.
short	getShortUnchecked(int index)
short	getUnsignedByte(int index)	Gets an unsigned byte at the specified absolute index in this buffer.
long	getUnsignedInt(int index)	Gets an unsigned 32-bit integer at the specified absolute index in this buffer.
int	getUnsignedShort(int index)	Gets an unsigned 16-bit short integer at the specified absolute index in this slice.
int	hashCode()	Returns the hash code of this slice.
int	hashCode(int offset, int length)	Returns the hash code of a portion of this slice.
int	indexOf(Slice slice)	Returns the index of the first occurrence of the pattern with this slice.
int	indexOf(Slice pattern, int offset)	Returns the index of the first occurrence of the pattern with this slice.
int	indexOfByte(byte b)
int	indexOfByte(int b)
boolean	isCompact()	A slice is considered compact if the base object is an array, and it contains the whole array.
int	length()	Length of this slice.
void	setByte(int index, int value)	Sets the specified byte at the specified absolute index in this buffer.
void	setBytes(int index, byte[] source)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setBytes(int index, byte[] source, int sourceIndex, int length)	Transfers data from the specified array into this buffer starting at the specified absolute index.
void	setBytes(int index, Slice source)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setBytes(int index, Slice source, int sourceIndex, int length)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setBytes(int index, InputStream in, int length)	Transfers data from the specified input stream into this slice starting at the specified absolute index.
void	setDouble(int index, double value)	Sets the specified 64-bit double at the specified absolute index in this buffer.
void	setDoubles(int index, double[] source)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setDoubles(int index, double[] source, int sourceIndex, int length)	Transfers data from the specified array into this buffer starting at the specified absolute index.
void	setFloat(int index, float value)	Sets the specified 32-bit float at the specified absolute index in this buffer.
void	setFloats(int index, float[] source)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setFloats(int index, float[] source, int sourceIndex, int length)	Transfers data from the specified array into this buffer starting at the specified absolute index.
void	setInt(int index, int value)	Sets the specified 32-bit integer at the specified absolute index in this buffer.
void	setInts(int index, int[] source)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setInts(int index, int[] source, int sourceIndex, int length)	Transfers data from the specified array into this buffer starting at the specified absolute index.
void	setLong(int index, long value)	Sets the specified 64-bit long integer at the specified absolute index in this buffer.
void	setLongs(int index, long[] source)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setLongs(int index, long[] source, int sourceIndex, int length)	Transfers data from the specified array into this buffer starting at the specified absolute index.
void	setShort(int index, int value)	Sets the specified 16-bit short integer at the specified absolute index in this buffer.
void	setShorts(int index, short[] source)	Transfers data from the specified slice into this buffer starting at the specified absolute index.
void	setShorts(int index, short[] source, int sourceIndex, int length)	Transfers data from the specified array into this buffer starting at the specified absolute index.
Slice	slice(int index, int length)	Returns a slice of this buffer's sub-region.
ByteBuffer	toByteBuffer()
ByteBuffer	toByteBuffer(int index, int length)
String	toString()	Returns information about the slice offset, and length
String	toString(int index, int length, Charset charset)	Decodes the specified portion of this slice into a string with the specified character set name.
String	toString(Charset charset)	Decodes the contents of this slice into a string with the specified character set name.
String	toStringAscii()	Decodes the contents of this slice into a string using the US_ASCII character set.
String	toStringAscii(int index, int length)
String	toStringUtf8()	Decodes the contents of this slice into a string using the UTF-8 character set.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

length

public int length()

Length of this slice.

getRetainedSize

public long getRetainedSize()

Approximate number of bytes retained by this slice.

isCompact

public boolean isCompact()

A slice is considered compact if the base object is an array, and it contains the whole array. As a result, it cannot be a view of a bigger slice.

byteArray

public byte[] byteArray()

Returns the byte array wrapped by this Slice. Callers should also take care to use byteArrayOffset() since the contents of this Slice may not start at array index 0.

byteArrayOffset

public int byteArrayOffset()

Returns the start index the content of this slice within the byte array wrapped by this slice.

fill

public void fill(byte value)

Fill the slice with the specified value;

clear

public void clear()

Fill the slice with zeros;

clear

public void clear(int offset,
 int length)

getByte

public byte getByte(int index)

Gets a byte at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 1 is greater than this.length()

getByteUnchecked

public byte getByteUnchecked(int index)

getUnsignedByte

public short getUnsignedByte(int index)

Gets an unsigned byte at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 1 is greater than this.length()

getShort

public short getShort(int index)

Gets a 16-bit short integer at the specified absolute index in this slice.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 2 is greater than this.length()

getShortUnchecked

public short getShortUnchecked(int index)

getUnsignedShort

public int getUnsignedShort(int index)

Gets an unsigned 16-bit short integer at the specified absolute index in this slice.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 2 is greater than this.length()

getInt

public int getInt(int index)

Gets a 32-bit integer at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 4 is greater than this.length()

getIntUnchecked

public int getIntUnchecked(int index)

getUnsignedInt

public long getUnsignedInt(int index)

Gets an unsigned 32-bit integer at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 4 is greater than this.length()

getLong

public long getLong(int index)

Gets a 64-bit long integer at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 8 is greater than this.length()

getLongUnchecked

public long getLongUnchecked(int index)

getFloat

public float getFloat(int index)

Gets a 32-bit float at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 4 is greater than this.length()

getFloatUnchecked

public float getFloatUnchecked(int index)

getDouble

public double getDouble(int index)

Gets a 64-bit double at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 8 is greater than this.length()

getDoubleUnchecked

public double getDoubleUnchecked(int index)

getBytes

public void getBytes(int index,
 Slice destination)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + destination.length() is greater than this.length()

getBytes

public void getBytes(int index,
 Slice destination,
 int destinationIndex,
 int length)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Parameters:

destinationIndex - the first index of the destination

length - the number of bytes to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified destinationIndex is less than 0, if index + length is greater than this.length(), or if destinationIndex + length is greater than destination.length()

getBytes

public void getBytes(int index,
 byte[] destination)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + destination.length is greater than this.length()

getBytes

public void getBytes(int index,
 byte[] destination,
 int destinationIndex,
 int length)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Parameters:

destinationIndex - the first index of the destination

length - the number of bytes to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified destinationIndex is less than 0, if index + length is greater than this.length(), or if destinationIndex + length is greater than destination.length

getBytes

public byte[] getBytes()

Returns a copy of this buffer as a byte array.

getBytes

public byte[] getBytes(int index,
 int length)

Returns a copy of this buffer as a byte array.

Parameters:

index - the absolute index to start at

length - the number of bytes to return

Throws:

IndexOutOfBoundsException - if the specified index is less then 0, or if the specified index + length is greater than this.length()

getBytes

public void getBytes(int index,
 OutputStream out,
 int length)
              throws IOException

Transfers a portion of data from this slice into the specified stream starting at the specified absolute index.

Parameters:

length - the number of bytes to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or if index + length is greater than this.length()

IOException - if the specified stream threw an exception during I/O

getShorts

public short[] getShorts(int index,
 int length)

Returns a copy of this buffer as a short array.

Parameters:

index - the absolute index to start at

length - the number of shorts to return

Throws:

IndexOutOfBoundsException - if the specified index is less then 0, or if the specified index + length is greater than this.length()

getShorts

public void getShorts(int index,
 short[] destination)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + destination.length is greater than this.length()

getShorts

public void getShorts(int index,
 short[] destination,
 int destinationIndex,
 int length)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Parameters:

destinationIndex - the first index of the destination

length - the number of shorts to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified destinationIndex is less than 0, if index + length is greater than this.length(), or if destinationIndex + length is greater than destination.length

getInts

public int[] getInts(int index,
 int length)

Returns a copy of this buffer as an int array.

Parameters:

index - the absolute index to start at

length - the number of ints to return

Throws:

IndexOutOfBoundsException - if the specified index is less then 0, or if the specified index + length is greater than this.length()

getInts

public void getInts(int index,
 int[] destination)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + destination.length is greater than this.length()

getInts

public void getInts(int index,
 int[] destination,
 int destinationIndex,
 int length)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Parameters:

destinationIndex - the first index of the destination

length - the number of ints to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified destinationIndex is less than 0, if index + length is greater than this.length(), or if destinationIndex + length is greater than destination.length

getLongs

public long[] getLongs(int index,
 int length)

Returns a copy of this buffer as a long array.

Parameters:

index - the absolute index to start at

length - the number of longs to return

Throws:

IndexOutOfBoundsException - if the specified index is less then 0, or if the specified index + length is greater than this.length()

getLongs

public void getLongs(int index,
 long[] destination)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + destination.length is greater than this.length()

getLongs

public void getLongs(int index,
 long[] destination,
 int destinationIndex,
 int length)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Parameters:

destinationIndex - the first index of the destination

length - the number of longs to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified destinationIndex is less than 0, if index + length is greater than this.length(), or if destinationIndex + length is greater than destination.length

getFloats

public float[] getFloats(int index,
 int length)

Returns a copy of this buffer as a float array.

Parameters:

index - the absolute index to start at

length - the number of floats to return

Throws:

IndexOutOfBoundsException - if the specified index is less then 0, or if the specified index + length is greater than this.length()

getFloats

public void getFloats(int index,
 float[] destination)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + destination.length is greater than this.length()

getFloats

public void getFloats(int index,
 float[] destination,
 int destinationIndex,
 int length)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Parameters:

destinationIndex - the first index of the destination

length - the number of floats to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified destinationIndex is less than 0, if index + length is greater than this.length(), or if destinationIndex + length is greater than destination.length

getDoubles

public double[] getDoubles(int index,
 int length)

Returns a copy of this buffer as a double array.

Parameters:

index - the absolute index to start at

length - the number of doubles to return

Throws:

IndexOutOfBoundsException - if the specified index is less then 0, or if the specified index + length is greater than this.length()

getDoubles

public void getDoubles(int index,
 double[] destination)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + destination.length is greater than this.length()

getDoubles

public void getDoubles(int index,
 double[] destination,
 int destinationIndex,
 int length)

Transfers a portion of data from this slice into the specified destination starting at the specified absolute index.

Parameters:

destinationIndex - the first index of the destination

length - the number of doubles to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified destinationIndex is less than 0, if index + length is greater than this.length(), or if destinationIndex + length is greater than destination.length

setByte

public void setByte(int index,
 int value)

Sets the specified byte at the specified absolute index in this buffer. The 24 high-order bits of the specified value are ignored.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 1 is greater than this.length()

setShort

public void setShort(int index,
 int value)

Sets the specified 16-bit short integer at the specified absolute index in this buffer. The 16 high-order bits of the specified value are ignored.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 2 is greater than this.length()

setInt

public void setInt(int index,
 int value)

Sets the specified 32-bit integer at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 4 is greater than this.length()

setLong

public void setLong(int index,
 long value)

Sets the specified 64-bit long integer at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 8 is greater than this.length()

setFloat

public void setFloat(int index,
 float value)

Sets the specified 32-bit float at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 4 is greater than this.length()

setDouble

public void setDouble(int index,
 double value)

Sets the specified 64-bit double at the specified absolute index in this buffer.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0 or index + 8 is greater than this.length()

setBytes

public void setBytes(int index,
 Slice source)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length() is greater than this.length()

setBytes

public void setBytes(int index,
 Slice source,
 int sourceIndex,
 int length)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Parameters:

sourceIndex - the first index of the source

length - the number of bytes to transfer

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified sourceIndex is less than 0, if index + length is greater than this.length(), or if sourceIndex + length is greater than source.length()

setBytes

public void setBytes(int index,
 byte[] source)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length is greater than this.length()

setBytes

public void setBytes(int index,
 byte[] source,
 int sourceIndex,
 int length)

Transfers data from the specified array into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified sourceIndex is less than 0, if index + length is greater than this.length(), or if sourceIndex + length is greater than source.length

setBytes

public void setBytes(int index,
 InputStream in,
 int length)
              throws IOException

Transfers data from the specified input stream into this slice starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length is greater than this.length()

IOException

setShorts

public void setShorts(int index,
 short[] source)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length is greater than this.length()

setShorts

public void setShorts(int index,
 short[] source,
 int sourceIndex,
 int length)

Transfers data from the specified array into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified sourceIndex is less than 0, if index + length is greater than this.length(), or if sourceIndex + length is greater than source.length

setInts

public void setInts(int index,
 int[] source)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length is greater than this.length()

setInts

public void setInts(int index,
 int[] source,
 int sourceIndex,
 int length)

Transfers data from the specified array into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified sourceIndex is less than 0, if index + length is greater than this.length(), or if sourceIndex + length is greater than source.length

setLongs

public void setLongs(int index,
 long[] source)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length is greater than this.length()

setLongs

public void setLongs(int index,
 long[] source,
 int sourceIndex,
 int length)

Transfers data from the specified array into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified sourceIndex is less than 0, if index + length is greater than this.length(), or if sourceIndex + length is greater than source.length

setFloats

public void setFloats(int index,
 float[] source)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length is greater than this.length()

setFloats

public void setFloats(int index,
 float[] source,
 int sourceIndex,
 int length)

Transfers data from the specified array into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified sourceIndex is less than 0, if index + length is greater than this.length(), or if sourceIndex + length is greater than source.length

setDoubles

public void setDoubles(int index,
 double[] source)

Transfers data from the specified slice into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, or if index + source.length is greater than this.length()

setDoubles

public void setDoubles(int index,
 double[] source,
 int sourceIndex,
 int length)

Transfers data from the specified array into this buffer starting at the specified absolute index.

Throws:

IndexOutOfBoundsException - if the specified index is less than 0, if the specified sourceIndex is less than 0, if index + length is greater than this.length(), or if sourceIndex + length is greater than source.length

slice

public Slice slice(int index,
 int length)

Returns a slice of this buffer's sub-region. Modifying the content of the returned buffer, or this buffer affects each other's content.

copy

public Slice copy()

Returns a copy of this buffer's sub-region. Modifying the content of the returned buffer does not affect this buffer, and vice versa.

copy

public Slice copy(int index,
 int length)

Returns a copy of the specified region. Modifying the content of the returned buffer does not affect this buffer, and vice versa.

indexOfByte

public int indexOfByte(int b)

indexOfByte

public int indexOfByte(byte b)

indexOf

public int indexOf(Slice slice)

Returns the index of the first occurrence of the pattern with this slice. If the pattern is not found -1 is returned. If patten is empty, zero is returned.

indexOf

public int indexOf(Slice pattern,
 int offset)

Returns the index of the first occurrence of the pattern with this slice. If the pattern is not found -1 is returned. If patten is empty, the offset is returned.

compareTo

public int compareTo(Slice that)

Compares the content of the specified buffer to the content of this buffer. This comparison is performed byte by byte using an unsigned comparison.

Specified by:

compareTo in interface Comparable<Slice>

compareTo

public int compareTo(int offset,
 int length,
 Slice that,
 int otherOffset,
 int otherLength)

Compares a portion of this slice with a portion of the specified slice. Equality is solely based on the contents of the slice.

equals

public boolean equals(Object o)

Compares the specified object with this slice for equality. Equality is solely based on the contents of the slice.

Overrides:

equals in class Object

hashCode

public int hashCode()

Returns the hash code of this slice. The hash code is cached once calculated, and any future changes to the slice will not affect the hash code.

Overrides:

hashCode in class Object

hashCode

public int hashCode(int offset,
 int length)

Returns the hash code of a portion of this slice.

equals

public boolean equals(int offset,
 int length,
 Slice that,
 int otherOffset,
 int otherLength)

Compares a portion of this slice with a portion of the specified slice. Equality is solely based on the contents of the slice.

getInput

public BasicSliceInput getInput()

Creates a slice input backed by this slice. Any changes to this slice will be immediately visible to the slice input.

getOutput

public SliceOutput getOutput()

Creates a slice output backed by this slice. Any data written to the slice output will be immediately visible in this slice.

toString

public String toString(Charset charset)

Decodes the contents of this slice into a string with the specified character set name.

toStringUtf8

public String toStringUtf8()

Decodes the contents of this slice into a string using the UTF-8 character set.

toStringAscii

public String toStringAscii()

Decodes the contents of this slice into a string using the US_ASCII character set. The low-order 7 bits of each byte are converted directly into a code point for the string.

toStringAscii

public String toStringAscii(int index,
 int length)

toString

public String toString(int index,
 int length,
 Charset charset)

Decodes the specified portion of this slice into a string with the specified character set name.

toByteBuffer

public ByteBuffer toByteBuffer()

toByteBuffer

public ByteBuffer toByteBuffer(int index,
 int length)

toString

public String toString()

Returns information about the slice offset, and length

Overrides:

toString in class Object