net.openhft.chronicle.bytes

Class SubBytes<Underlying>

java.lang.Object

net.openhft.chronicle.bytes.AbstractBytes<Underlying>

net.openhft.chronicle.bytes.VanillaBytes<Underlying>

net.openhft.chronicle.bytes.SubBytes<Underlying>

All Implemented Interfaces:

Appendable, CharSequence, Comparable<CharSequence>, Byteable<Bytes<Underlying>,Underlying>, Bytes<Underlying>, BytesComment<BytesOut<Underlying>>, BytesIn<Underlying>, BytesOut<Underlying>, BytesPrepender<Bytes<Underlying>>, BytesStore<Bytes<Underlying>,Underlying>, ByteStringAppender<Bytes<Underlying>>, RandomDataInput, RandomDataOutput<Bytes<Underlying>>, StreamingCommon<Bytes<Underlying>>, StreamingDataOutput<Bytes<Underlying>>, net.openhft.chronicle.core.ReferenceCounted

Direct Known Subclasses:

NativeBytes.NativeSubBytes

public class SubBytes<Underlying>
extends VanillaBytes<Underlying>

Field Summary

Fields inherited from class net.openhft.chronicle.bytes.AbstractBytes

bytesStore, isPresent, readPosition, writeLimit, writePosition

Fields inherited from interface net.openhft.chronicle.bytes.Bytes

DEFAULT_BYTE_BUFFER_CAPACITY, MAX_BYTE_BUFFER_CAPACITY, MAX_CAPACITY

Fields inherited from interface net.openhft.chronicle.bytes.RandomDataInput

charToString

Fields inherited from interface net.openhft.chronicle.bytes.StreamingDataOutput

JAVA9_STRING_CODER_LATIN, JAVA9_STRING_CODER_UTF16

Constructor Summary

Constructors

Constructor and Description
SubBytes(@NotNull BytesStore bytesStore)
SubBytes(@NotNull BytesStore bytesStore, long start, long capacity)

Method Summary

Modifier and Type	Method and Description
default long	addressForRead(long offset, int buffer)
default ByteOrder	byteOrder()
long	capacity()
default boolean	compareAndSwapDouble(long offset, double expected, double value) Perform a 64-bit double CAS at a given offset.
default boolean	compareAndSwapFloat(long offset, float expected, float value) Perform a 32-bit float CAS at a given offset.
default void	parse8bit(Appendable buffer, @NotNull StopCharsTester stopCharsTester) parse text with ISO-8859-1 decoding as character terminated.
default void	parse8bit(Appendable buffer, @NotNull StopCharTester stopCharTester) parse text with ISO-8859-1 decoding as character terminated.
default void	parse8bit(Bytes buffer, @NotNull StopCharsTester stopCharsTester)
default String	parse8bit(@NotNull StopCharTester stopCharTester) parse text with ISO-8859-1 decoding as character terminated.
default void	parse8bit(StringBuilder buffer, @NotNull StopCharsTester stopCharsTester)
default @NotNull BigDecimal	parseBigDecimal()
default @Nullable Boolean	parseBoolean()
default @Nullable Boolean	parseBoolean(@NotNull StopCharTester tester) Return true or false, or null if it could not be detected as true or false.
default double	parseDouble() parse text as a double decimal.
default float	parseFloat() parse text as a float decimal.
default int	parseInt() parse text as an int.
default long	parseLong() parse text as a long integer.
default long	parseLongDecimal() Parse the significant digits of a decimal number.
default void	parseUTF(@NotNull Appendable buffer, @NotNull StopCharsTester stopCharsTester) Deprecated.
default void	parseUTF(@NotNull Appendable buffer, @NotNull StopCharTester stopCharTester) Deprecated.
default @NotNull String	parseUTF(@NotNull StopCharTester stopCharTester) Deprecated.
default void	parseUtf8(@NotNull Appendable buffer, @NotNull StopCharsTester stopCharsTester) parse text with UTF-8 decoding as one or two character terminated.
default void	parseUtf8(@NotNull Appendable buffer, @NotNull StopCharTester stopCharTester) parse text with UTF-8 decoding as character terminated.
default @NotNull String	parseUtf8(@NotNull StopCharTester stopCharTester) parse text with UTF-8 decoding as character terminated.
default @NotNull Reader	reader() Access these bytes as an ISO-8859-1 encoded Reader
default long	readRemaining()
long	realCapacity() Returns the actual capacity that can be potentially read.
default boolean	skipTo(@NotNull StopCharTester tester) Skip text until a terminating character is reached.
long	start()
default long	writeRemaining()

Methods inherited from class net.openhft.chronicle.bytes.VanillaBytes

append, append8bit, append8bit, append8bit, append8bit0, appendUtf8, appendUtf8, byteCheckSum, bytesForRead, bytesStore, compareTo, copy, equalBytes, isElastic, isEqual, maxSize, offset, optimisedWrite, read, read8Bit, readVolatileLong, toString, toString0, toTemporaryDirectByteBuffer, vanillaBytes, write, write, write

Methods inherited from class net.openhft.chronicle.bytes.AbstractBytes

addressForRead, addressForWrite, addressForWritePosition, append, byteCheckSum, byteCheckSum, bytesStore, canReadDirect, canWriteDirect, checkRefCount, clear, clearAndPad, compact, compareAndSwapInt, compareAndSwapLong, equals, equalsBytes, hashCode, isDirectMemory, isPresent, isPresent, lastDecimalPlaces, lastDecimalPlaces, lenient, lenient, move, nativeRead, nativeRead, nativeWrite, nativeWrite, peekUnsignedByte, peekUnsignedByte, prewrite, prewrite, prewriteByte, prewriteInt, prewriteLong, prewriteOffsetPositionMoved, prewriteShort, readByte, readByte, readDouble, readDouble, readFloat, readFloat, readInt, readInt, readLimit, readLimit, readLong, readLong, readOffsetPositionMoved, readPosition, readPosition, readShort, readShort, readSkip, readUnsignedByte, readUnsignedByte, readVolatileByte, readVolatileInt, readVolatileInt, readVolatileLong, readVolatileShort, realWriteRemaining, refCount, release, reserve, safeCopySize, testAndSetInt, tryReserve, uncheckedReadSkipBackOne, uncheckedReadSkipOne, uncheckedReadUnsignedByte, underlyingObject, write, write, write, write, write, writeByte, writeByte, writeCheckOffset0, writeDouble, writeDouble, writeDoubleAndInt, writeFloat, writeFloat, writeInt, writeInt, writeIntAdv, writeLimit, writeLimit, writeLong, writeLong, writeLongAdv, writeOffsetPositionMoved, writeOffsetPositionMoved, writeOrderedInt, writeOrderedInt, writeOrderedLong, writeOrderedLong, writePosition, writePosition, writeShort, writeShort, writeSkip, writeSome, writeVolatileByte, writeVolatileInt, writeVolatileLong, writeVolatileShort

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.openhft.chronicle.bytes.Byteable

bytesStore

Methods inherited from interface net.openhft.chronicle.bytes.Bytes

allocateDirect, allocateDirect, allocateElasticDirect, allocateElasticDirect, copyTo, copyTo, elasticByteBuffer, elasticByteBuffer, elasticByteBuffer, elasticHeapByteBuffer, ensureCapacity, from, from, fromHexString, fromString, indexOf, indexOf, indexOf, indexOf, isClear, readBigDecimal, readBigInteger, readMarshallableLength16, readWithLength, readWrite, safeLimit, sharedMemory, toHexString, toHexString, toHexString, toString, toString, toString, unchecked, unchecked, unwrite, wrapForRead, wrapForRead, wrapForWrite, wrapForWrite, write, writeMarshallableLength16

Methods inherited from interface net.openhft.chronicle.bytes.BytesStore

addAndGetByteNotAtomic, addAndGetDoubleNotAtomic, addAndGetFloatNotAtomic, addAndGetIntNotAtomic, addAndGetLongNotAtomic, addAndGetShortNotAtomic, addAndGetUnsignedByteNotAtomic, addAndGetUnsignedIntNotAtomic, addAndGetUnsignedShortNotAtomic, bytesForWrite, charAt, cipher, cipher, contentEquals, empty, endsWith, inside, inside, isEmpty, length, longCheckSum, nativePointer, startsWith, startsWith, subSequence, to8bitString, toDebugString, toDebugString, wrap, wrap, wrap, writeMaxLong, zeroOut

Methods inherited from interface net.openhft.chronicle.bytes.RandomDataOutput

append, append, write, write, writeBoolean, writeByte, writeInt24, writeOrderedDouble, writeOrderedFloat, writeUnsignedByte, writeUnsignedInt, writeUnsignedShort, writeUtf8, writeUtf8Limited, writeVolatileDouble, writeVolatileFloat

Methods inherited from interface java.lang.CharSequence

chars, codePoints

Methods inherited from interface net.openhft.chronicle.bytes.BytesIn

bytesMethodReader, bytesMethodReaderBuilder, readObject

Methods inherited from interface net.openhft.chronicle.bytes.RandomDataInput

addAndGetDouble, addAndGetFloat, addAndGetInt, addAndGetLong, compareUtf8, copyTo, copyTo, createCharToString, fastHash, findByte, parseLong, peekVolatileInt, printable, read, readBoolean, readIncompleteLong, readUnsignedInt, readUnsignedInt24, readUnsignedShort, readUtf8, readUtf8Limited, readUtf8Limited, readVolatileDouble, readVolatileFloat, subBytes, toByteArray

Methods inherited from interface net.openhft.chronicle.bytes.StreamingDataInput

inputStream, parseHexLong, parseUTF, parseUtf8, rawReadByte, rawReadInt, read, read, read, read, read8bit, read8bit, read8bit, read8bit, readBoolean, readChar, readEnum, readHistogram, readIncompleteLong, readInt24, readPositionRemaining, readPositionUnlimited, readStopBit, readStopBitChar, readStopBitDecimal, readStopBitDouble, readUnsignedInt, readUnsignedInt24, readUnsignedShort, readUtf8, readUtf8, readUTFΔ, readUTFΔ, readWithLength, readWithLength, readWithLength0

Methods inherited from interface net.openhft.chronicle.bytes.BytesOut

bytesMethodWriter, bytesMethodWriterBuilder, writeObject

Methods inherited from interface net.openhft.chronicle.bytes.ByteStringAppender

append, append, append, append, append, append, append, append, append8bit, append8bit, appendBase, appendBase16, appendBase16, appendDateMillis, appendDecimal, appendTimeMillis, writer

Methods inherited from interface net.openhft.chronicle.bytes.StreamingDataOutput

alignBy, appendUtf8, appendUtf8, appendUtf8, appendUtf8, copyFrom, outputStream, rawWriteByte, rawWriteInt, write, write, write, write, write8bit, write8bit, write8bit, write8bit, writeBigDecimal, writeBigInteger, writeBoolean, writeChar, writeEnum, writeHistogram, writeInt24, writePositionRemaining, writeSome, writeStopBit, writeStopBit, writeStopBit, writeStopBitDecimal, writeUnsignedByte, writeUnsignedInt, writeUnsignedInt24, writeUnsignedShort, writeUtf8, writeUtf8, writeUTFΔ, writeWithLength

Methods inherited from interface net.openhft.chronicle.core.ReferenceCounted

release, releaseAll

Methods inherited from interface net.openhft.chronicle.bytes.BytesPrepender

prepend

Methods inherited from interface net.openhft.chronicle.bytes.BytesComment

comment, indent, retainsComments

Constructor Detail

SubBytes

public SubBytes(@NotNull
                @NotNull BytesStore bytesStore,
                long start,
                long capacity)
         throws IllegalStateException

Throws:

IllegalStateException

SubBytes

public SubBytes(@NotNull
                @NotNull BytesStore bytesStore)
         throws IllegalStateException

Throws:

IllegalStateException

Method Detail

capacity

public long capacity()

Specified by:

capacity in interface BytesStore<Bytes<Underlying>,Underlying>

Overrides:

capacity in class AbstractBytes<Underlying>

Returns:

The maximum limit you can set.

start

public long start()

Overrides:

start in class AbstractBytes<Underlying>

Returns:

The smallest position allowed in this buffer.

realCapacity

public long realCapacity()

Description copied from interface: RandomDataInput

Returns the actual capacity that can be potentially read.

Specified by:

realCapacity in interface Bytes<Underlying>

Specified by:

realCapacity in interface BytesStore<Bytes<Underlying>,Underlying>

Specified by:

realCapacity in interface RandomDataInput

Specified by:

realCapacity in interface StreamingDataOutput<Bytes<Underlying>>

Overrides:

realCapacity in class VanillaBytes<Underlying>

Returns:

the actual capacity available before resizing.

reader

@NotNull
public @NotNull Reader reader()

Access these bytes as an ISO-8859-1 encoded Reader

Returns:

as a Reader

parseBoolean

@Nullable
public @Nullable Boolean parseBoolean(@NotNull
                                                @NotNull StopCharTester tester)

Return true or false, or null if it could not be detected as true or false. Case is not important

false: f, false, n, no, 0

true: t, true, y, yes, 1

Parameters:

tester - to detect the end of the text.

Returns:

true, false, or null if neither.

parseBoolean

@Nullable
public @Nullable Boolean parseBoolean()

parseUtf8

@NotNull
public @NotNull String parseUtf8(@NotNull
                                          @NotNull StopCharTester stopCharTester)

parse text with UTF-8 decoding as character terminated.

Parameters:

stopCharTester - to check if the end has been reached.

Returns:

the text as a String.

parseUTF

@NotNull
 @Deprecated
public @NotNull String parseUTF(@NotNull
                                                      @NotNull StopCharTester stopCharTester)

Deprecated.

parseUtf8

public void parseUtf8(@NotNull
                      @NotNull Appendable buffer,
                      @NotNull
                      @NotNull StopCharTester stopCharTester)
               throws BufferUnderflowException

parse text with UTF-8 decoding as character terminated.

Parameters:

buffer - to populate

stopCharTester - to check if the end has been reached.

Throws:

BufferUnderflowException

parseUTF

@Deprecated
public void parseUTF(@NotNull
                                 @NotNull Appendable buffer,
                                 @NotNull
                                 @NotNull StopCharTester stopCharTester)
                          throws BufferUnderflowException

Deprecated.

Throws:

BufferUnderflowException

parseUtf8

public void parseUtf8(@NotNull
                      @NotNull Appendable buffer,
                      @NotNull
                      @NotNull StopCharsTester stopCharsTester)
               throws BufferUnderflowException,
                      net.openhft.chronicle.core.io.IORuntimeException

parse text with UTF-8 decoding as one or two character terminated.

Parameters:

buffer - to populate

stopCharsTester - to check if the end has been reached.

Throws:

BufferUnderflowException

net.openhft.chronicle.core.io.IORuntimeException

parseUTF

@Deprecated
public void parseUTF(@NotNull
                                 @NotNull Appendable buffer,
                                 @NotNull
                                 @NotNull StopCharsTester stopCharsTester)
                          throws BufferUnderflowException,
                                 net.openhft.chronicle.core.io.IORuntimeException

Deprecated.

Throws:

BufferUnderflowException

net.openhft.chronicle.core.io.IORuntimeException

parse8bit

public void parse8bit(Appendable buffer,
                      @NotNull
                      @NotNull StopCharTester stopCharTester)
               throws BufferUnderflowException

parse text with ISO-8859-1 decoding as character terminated.

Parameters:

buffer - to populate

stopCharTester - to check if the end has been reached.

Throws:

BufferUnderflowException

parse8bit

public String parse8bit(@NotNull
                        @NotNull StopCharTester stopCharTester)
                 throws BufferUnderflowException

parse text with ISO-8859-1 decoding as character terminated.

Parameters:

stopCharTester - to check if the end has been reached.

Throws:

BufferUnderflowException

parse8bit

public void parse8bit(Appendable buffer,
                      @NotNull
                      @NotNull StopCharsTester stopCharsTester)
               throws BufferUnderflowException

parse text with ISO-8859-1 decoding as character terminated.

Parameters:

buffer - to populate

stopCharsTester - to check if the end has been reached.

Throws:

BufferUnderflowException

parse8bit

public void parse8bit(Bytes buffer,
                      @NotNull
                      @NotNull StopCharsTester stopCharsTester)
               throws BufferUnderflowException

Throws:

BufferUnderflowException

parse8bit

public void parse8bit(StringBuilder buffer,
                      @NotNull
                      @NotNull StopCharsTester stopCharsTester)
               throws BufferUnderflowException

Throws:

BufferUnderflowException

parseInt

public int parseInt()
             throws BufferUnderflowException

parse text as an int. The terminating character is consumed.

Returns:

an int.

Throws:

BufferUnderflowException

parseLong

public long parseLong()
               throws BufferUnderflowException

parse text as a long integer. The terminating character is consumed.

Returns:

a long.

Throws:

BufferUnderflowException

parseFloat

public float parseFloat()
                 throws BufferUnderflowException

parse text as a float decimal. The terminating character is consumed.

The number of decimal places can be retrieved with lastDecimalPlaces()

Returns:

a float.

Throws:

BufferUnderflowException

parseDouble

public double parseDouble()
                   throws BufferUnderflowException

parse text as a double decimal. The terminating character is consumed.

The number of decimal places can be retrieved with lastDecimalPlaces()

Returns:

a double.

Throws:

BufferUnderflowException

parseLongDecimal

public long parseLongDecimal()
                      throws BufferUnderflowException

Parse the significant digits of a decimal number.

The number of decimal places can be retrieved with lastDecimalPlaces()

Returns:

the significant digits

Throws:

BufferUnderflowException

skipTo

public boolean skipTo(@NotNull
                      @NotNull StopCharTester tester)

Skip text until a terminating character is reached.

Parameters:

tester - to stop at

Returns:

true if a terminating character was found, false if the end of the buffer was reached.

parseBigDecimal

@NotNull
public @NotNull BigDecimal parseBigDecimal()

readRemaining

public long readRemaining()

Returns:

How many more bytes can we read.

writeRemaining

public long writeRemaining()

Returns:

How many more bytes can we written.

addressForRead

public long addressForRead(long offset,
                           int buffer)
                    throws UnsupportedOperationException,
                           BufferUnderflowException

Throws:

UnsupportedOperationException

BufferUnderflowException

byteOrder

public ByteOrder byteOrder()

compareAndSwapFloat

public boolean compareAndSwapFloat(long offset,
                                   float expected,
                                   float value)
                            throws BufferOverflowException

Perform a 32-bit float CAS at a given offset.

Parameters:

offset - to perform CAS

expected - value

value - to set

Returns:

true, if successful.

Throws:

BufferOverflowException

compareAndSwapDouble

public boolean compareAndSwapDouble(long offset,
                                    double expected,
                                    double value)
                             throws BufferOverflowException

Perform a 64-bit double CAS at a given offset.

Parameters:

offset - to perform CAS

expected - value

value - to set

Returns:

true, if successful.

Throws:

BufferOverflowException