Package org.apache.cassandra.db.marshal

Class ByteArrayAccessor

java.lang.Object
org.apache.cassandra.db.marshal.ByteArrayAccessor
All Implemented Interfaces:
ValueAccessor<byte[]>
public class ByteArrayAccessor extends Object implements ValueAccessor<byte[]>

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.cassandra.db.marshal.ValueAccessor

    ValueAccessor.ObjectFactory<V>

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final ValueAccessor.ObjectFactory<byte[]>
    factory
     
    static final ValueAccessor<byte[]>
    instance
     

  • Method Summary

    Modifier and Type
    Method
    Description
    byte[]
    allocate(int size)
    Allocate and return a instance of bytes on the heap.
    <V2> int
    compare(byte[] left, V2 right, ValueAccessor<V2> accessorR)
    lexicographically compare to
    int
    compareByteArrayTo(byte[] left, byte[] right)
    compare a byte array on the left with a on the right}
    int
    compareByteBufferTo(ByteBuffer left, byte[] right)
    compare a byte buffer on the left with a on the right}
    <V2> byte[]
    convert(V2 src, ValueAccessor<V2> accessor)
    Convert the data in to and the returned value may share a common byte array instance, so caller should assume that modifying the returned value will also modify the contents of
    int
    copyByteArrayTo(byte[] src, int srcOffset, byte[] dst, int dstOffset, int size)
    copies a byte array into this accessors value.
    int
    copyByteBufferTo(ByteBuffer src, int srcOffset, byte[] dst, int dstOffset, int size)
    copies a byte buffer into this accessors value.
    <V2> int
    copyTo(byte[] src, int srcOffset, V2 dst, ValueAccessor<V2> dstAccessor, int dstOffset, int size)
    copy the bytes from the value, starting at the offset into the value, starting at the offset , using the accessor
    byte[][]
    createArray(int length)
    allocate an instance of the accessors backing type
    void
    digest(byte[] value, int offset, int size, Digest digest)
    updates with bytes from the contents of starting at offset
    byte[]
    empty()
    return a value with a length of 0
    ValueAccessor.ObjectFactory<byte[]>
    factory()
    returns the ValueAccessor.ObjectFactory for the backing type
    byte
    getByte(byte[] value, int offset)
    returns a byte from offset
    double
    getDouble(byte[] value, int offset)
     
    float
    getFloat(byte[] value, int offset)
     
    int
    getInt(byte[] value, int offset)
    returns an int from offset
    long
    getLong(byte[] value, int offset)
    returns a long from offset
    short
    getShort(byte[] value, int offset)
    returns a short from offset
    int
    getUnsignedShort(byte[] value, int offset)
    returns an unsigned short from offset
    int
    putByte(byte[] dst, int offset, byte value)
    writes the byte value to at offset
    int
    putFloat(byte[] dst, int offset, float value)
    writes the float value to at offset
    int
    putInt(byte[] dst, int offset, int value)
    writes the int value to at offset
    int
    putLong(byte[] dst, int offset, long value)
    writes the long value to at offset
    int
    putShort(byte[] dst, int offset, short value)
    writes the short value to at offset
    byte[]
    read(DataInputPlus in, int length)
    Reads a value of bytes from
    int
    size(byte[] value)
     
    byte[]
    slice(byte[] input, int offset, int length)
    Returns a value with the contents of from to .
    byte[]
    toArray(byte[] value)
    returns a byte[] with the contents of Depending on the accessor implementation, this method may: * allocate a new byte[] object and copy data into it * return the value, if the backing type is byte[]
    byte[]
    toArray(byte[] value, int offset, int length)
    returns a byte[] with bytes copied from the contents of starting at offset .
    Ballot
    toBallot(byte[] value)
    returns a TimeUUID from offset 0
    ByteBuffer
    toBuffer(byte[] value)
    returns a ByteBuffer with the contents of Depending on the accessor implementation, this method may: * allocate a new ByteBuffer and copy data into it * return the value, if the backing type is a bytebuffer
    byte
    toByte(byte[] value)
    returns a byte from offset 0
    double
    toDouble(byte[] value)
    returns a double from offset 0
    float
    toFloat(byte[] value)
    returns a float from offset 0
    float[]
    toFloatArray(byte[] value, int dimension)
    returns a float[] from offset 0
    String
    toHex(byte[] value)
     
    int
    toInt(byte[] value)
    returns an int from offset 0
    long
    toLong(byte[] value)
    returns a long from offset 0
    short
    toShort(byte[] value)
    returns a short from offset 0
    String
    toString(byte[] value, Charset charset)
     
    TimeUUID
    toTimeUUID(byte[] value)
    returns a TimeUUID from offset 0
    UUID
    toUUID(byte[] value)
    returns a UUID from offset 0
    byte[]
    valueOf(boolean v)
    return a value with the bytes from
    byte[]
    valueOf(byte v)
    return a value with the bytes from
    byte[]
    valueOf(byte[] bytes)
    return a value containing the Caller should assume that modifying the returned value will also modify the contents of
    byte[]
    valueOf(double v)
    return a value with the bytes from
    byte[]
    valueOf(float v)
    return a value with the bytes from
    byte[]
    valueOf(int v)
    return a value with the bytes from
    byte[]
    valueOf(long v)
    return a value with the bytes from
    byte[]
    valueOf(short v)
    return a value with the bytes from
    byte[]
    valueOf(String s, Charset charset)
    return a value containing the bytes for the given string and charset
    byte[]
    valueOf(ByteBuffer bytes)
    return a value containing the and the returned value may share a common byte array instance, so caller should assume that modifying the returned value will also modify the contents of
    byte[]
    valueOf(UUID v)
    return a value with the bytes from
    void
    write(byte[] value, ByteBuffer out)
    Write the contents of the given value into the ByteBuffer
    void
    write(byte[] value, DataOutputPlus out)
    Write the contents of the given value into the a DataOutputPlus

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.cassandra.db.marshal.ValueAccessor

    digest, getBoolean, getUnsignedVInt, getUnsignedVInt32, getVInt, getVInt32, hashCode, isEmpty, isEmptyFromOffset, putBytes, putBytes, putUnsignedVInt, putUnsignedVInt32, putVInt, putVInt32, remaining, sizeFromOffset, sizeWithShortLength, sizeWithVIntLength, sliceWithShortLength, toString, writeWithVIntLength

  • Field Details

  • Method Details

    • size

      public int size(byte[] value)
      Specified by:
      size in interface ValueAccessor<byte[]>
      Returns:
      the size of the given value

    • createArray

      public byte[][] createArray(int length)
      Description copied from interface: ValueAccessor
      allocate an instance of the accessors backing type
      Specified by:
      createArray in interface ValueAccessor<byte[]>
      Parameters:
      length - size of backing typ to allocate

    • write

      public void write(byte[] value, DataOutputPlus out) throws IOException
      Description copied from interface: ValueAccessor
      Write the contents of the given value into the a DataOutputPlus
      Specified by:
      write in interface ValueAccessor<byte[]>
      Throws:
      IOException

    • write

      public void write(byte[] value, ByteBuffer out)
      Description copied from interface: ValueAccessor
      Write the contents of the given value into the ByteBuffer
      Specified by:
      write in interface ValueAccessor<byte[]>

    • copyTo

      public <V2> int copyTo(byte[] src, int srcOffset, V2 dst, ValueAccessor<V2> dstAccessor, int dstOffset, int size)
      Description copied from interface: ValueAccessor
      copy the bytes from the value, starting at the offset into the value, starting at the offset , using the accessor
      Specified by:
      copyTo in interface ValueAccessor<byte[]>
      Type Parameters:
      V2 - the destination value type
      Returns:
      the number of bytes copied ()

    • copyByteArrayTo

      public int copyByteArrayTo(byte[] src, int srcOffset, byte[] dst, int dstOffset, int size)
      Description copied from interface: ValueAccessor
      copies a byte array into this accessors value.
      Specified by:
      copyByteArrayTo in interface ValueAccessor<byte[]>

    • copyByteBufferTo

      public int copyByteBufferTo(ByteBuffer src, int srcOffset, byte[] dst, int dstOffset, int size)
      Description copied from interface: ValueAccessor
      copies a byte buffer into this accessors value.
      Specified by:
      copyByteBufferTo in interface ValueAccessor<byte[]>

    • digest

      public void digest(byte[] value, int offset, int size, Digest digest)
      Description copied from interface: ValueAccessor
      updates with bytes from the contents of starting at offset
      Specified by:
      digest in interface ValueAccessor<byte[]>

    • read

      public byte[] read(DataInputPlus in, int length) throws IOException
      Description copied from interface: ValueAccessor
      Reads a value of bytes from
      Specified by:
      read in interface ValueAccessor<byte[]>
      Throws:
      IOException

    • slice

      public byte[] slice(byte[] input, int offset, int length)
      Description copied from interface: ValueAccessor
      Returns a value with the contents of from to . Depending on the accessor implementation, this method may: * allocate a new object of , and copy data into it * return a view of where changes to one will be reflected in the other
      Specified by:
      slice in interface ValueAccessor<byte[]>

    • compare

      public <V2> int compare(byte[] left, V2 right, ValueAccessor<V2> accessorR)
      Description copied from interface: ValueAccessor
      lexicographically compare to
      Specified by:
      compare in interface ValueAccessor<byte[]>
      Type Parameters:
      V2 - backing type of

    • compareByteArrayTo

      public int compareByteArrayTo(byte[] left, byte[] right)
      Description copied from interface: ValueAccessor
      compare a byte array on the left with a on the right}
      Specified by:
      compareByteArrayTo in interface ValueAccessor<byte[]>

    • compareByteBufferTo

      public int compareByteBufferTo(ByteBuffer left, byte[] right)
      Description copied from interface: ValueAccessor
      compare a byte buffer on the left with a on the right}
      Specified by:
      compareByteBufferTo in interface ValueAccessor<byte[]>

    • toBuffer

      public ByteBuffer toBuffer(byte[] value)
      Description copied from interface: ValueAccessor
      returns a ByteBuffer with the contents of Depending on the accessor implementation, this method may: * allocate a new ByteBuffer and copy data into it * return the value, if the backing type is a bytebuffer
      Specified by:
      toBuffer in interface ValueAccessor<byte[]>

    • toArray

      public byte[] toArray(byte[] value)
      Description copied from interface: ValueAccessor
      returns a byte[] with the contents of Depending on the accessor implementation, this method may: * allocate a new byte[] object and copy data into it * return the value, if the backing type is byte[]
      Specified by:
      toArray in interface ValueAccessor<byte[]>

    • toArray

      public byte[] toArray(byte[] value, int offset, int length)
      Description copied from interface: ValueAccessor
      returns a byte[] with bytes copied from the contents of starting at offset . Depending on the accessor implementation, this method may: * allocate a new byte[] object and copy data into it * return the value, if the backing type is byte[], offset is 0 and == size(value)
      Specified by:
      toArray in interface ValueAccessor<byte[]>

    • toString

      public String toString(byte[] value, Charset charset) throws CharacterCodingException
      Specified by:
      toString in interface ValueAccessor<byte[]>
      Throws:
      CharacterCodingException

    • toHex

      public String toHex(byte[] value)
      Specified by:
      toHex in interface ValueAccessor<byte[]>

    • toByte

      public byte toByte(byte[] value)
      Description copied from interface: ValueAccessor
      returns a byte from offset 0
      Specified by:
      toByte in interface ValueAccessor<byte[]>

    • getByte

      public byte getByte(byte[] value, int offset)
      Description copied from interface: ValueAccessor
      returns a byte from offset
      Specified by:
      getByte in interface ValueAccessor<byte[]>

    • toShort

      public short toShort(byte[] value)
      Description copied from interface: ValueAccessor
      returns a short from offset 0
      Specified by:
      toShort in interface ValueAccessor<byte[]>

    • getShort

      public short getShort(byte[] value, int offset)
      Description copied from interface: ValueAccessor
      returns a short from offset
      Specified by:
      getShort in interface ValueAccessor<byte[]>

    • getUnsignedShort

      public int getUnsignedShort(byte[] value, int offset)
      Description copied from interface: ValueAccessor
      returns an unsigned short from offset
      Specified by:
      getUnsignedShort in interface ValueAccessor<byte[]>

    • toInt

      public int toInt(byte[] value)
      Description copied from interface: ValueAccessor
      returns an int from offset 0
      Specified by:
      toInt in interface ValueAccessor<byte[]>

    • getInt

      public int getInt(byte[] value, int offset)
      Description copied from interface: ValueAccessor
      returns an int from offset
      Specified by:
      getInt in interface ValueAccessor<byte[]>

    • getFloat

      public float getFloat(byte[] value, int offset)
      Specified by:
      getFloat in interface ValueAccessor<byte[]>

    • getDouble

      public double getDouble(byte[] value, int offset)
      Specified by:
      getDouble in interface ValueAccessor<byte[]>

    • toLong

      public long toLong(byte[] value)
      Description copied from interface: ValueAccessor
      returns a long from offset 0
      Specified by:
      toLong in interface ValueAccessor<byte[]>

    • getLong

      public long getLong(byte[] value, int offset)
      Description copied from interface: ValueAccessor
      returns a long from offset
      Specified by:
      getLong in interface ValueAccessor<byte[]>

    • toFloat

      public float toFloat(byte[] value)
      Description copied from interface: ValueAccessor
      returns a float from offset 0
      Specified by:
      toFloat in interface ValueAccessor<byte[]>

    • toFloatArray

      public float[] toFloatArray(byte[] value, int dimension)
      Description copied from interface: ValueAccessor
      returns a float[] from offset 0
      Specified by:
      toFloatArray in interface ValueAccessor<byte[]>

    • toDouble

      public double toDouble(byte[] value)
      Description copied from interface: ValueAccessor
      returns a double from offset 0
      Specified by:
      toDouble in interface ValueAccessor<byte[]>

    • toUUID

      public UUID toUUID(byte[] value)
      Description copied from interface: ValueAccessor
      returns a UUID from offset 0
      Specified by:
      toUUID in interface ValueAccessor<byte[]>

    • toTimeUUID

      public TimeUUID toTimeUUID(byte[] value)
      Description copied from interface: ValueAccessor
      returns a TimeUUID from offset 0
      Specified by:
      toTimeUUID in interface ValueAccessor<byte[]>

    • toBallot

      public Ballot toBallot(byte[] value)
      Description copied from interface: ValueAccessor
      returns a TimeUUID from offset 0
      Specified by:
      toBallot in interface ValueAccessor<byte[]>

    • putByte

      public int putByte(byte[] dst, int offset, byte value)
      Description copied from interface: ValueAccessor
      writes the byte value to at offset
      Specified by:
      putByte in interface ValueAccessor<byte[]>
      Returns:
      the number of bytes written to

    • putShort

      public int putShort(byte[] dst, int offset, short value)
      Description copied from interface: ValueAccessor
      writes the short value to at offset
      Specified by:
      putShort in interface ValueAccessor<byte[]>
      Returns:
      the number of bytes written to

    • putInt

      public int putInt(byte[] dst, int offset, int value)
      Description copied from interface: ValueAccessor
      writes the int value to at offset
      Specified by:
      putInt in interface ValueAccessor<byte[]>
      Returns:
      the number of bytes written to

    • putLong

      public int putLong(byte[] dst, int offset, long value)
      Description copied from interface: ValueAccessor
      writes the long value to at offset
      Specified by:
      putLong in interface ValueAccessor<byte[]>
      Returns:
      the number of bytes written to

    • putFloat

      public int putFloat(byte[] dst, int offset, float value)
      Description copied from interface: ValueAccessor
      writes the float value to at offset
      Specified by:
      putFloat in interface ValueAccessor<byte[]>
      Returns:
      the number of bytes written to

    • empty

      public byte[] empty()
      Description copied from interface: ValueAccessor
      return a value with a length of 0
      Specified by:
      empty in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(byte[] bytes)
      Description copied from interface: ValueAccessor
      return a value containing the Caller should assume that modifying the returned value will also modify the contents of
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(ByteBuffer bytes)
      Description copied from interface: ValueAccessor
      return a value containing the and the returned value may share a common byte array instance, so caller should assume that modifying the returned value will also modify the contents of
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(String s, Charset charset)
      Description copied from interface: ValueAccessor
      return a value containing the bytes for the given string and charset
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(UUID v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(boolean v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(byte v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(short v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(int v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(long v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(float v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • valueOf

      public byte[] valueOf(double v)
      Description copied from interface: ValueAccessor
      return a value with the bytes from
      Specified by:
      valueOf in interface ValueAccessor<byte[]>

    • convert

      public <V2> byte[] convert(V2 src, ValueAccessor<V2> accessor)
      Description copied from interface: ValueAccessor
      Convert the data in to and the returned value may share a common byte array instance, so caller should assume that modifying the returned value will also modify the contents of
      Specified by:
      convert in interface ValueAccessor<byte[]>

    • allocate

      public byte[] allocate(int size)
      Description copied from interface: ValueAccessor
      Allocate and return a instance of bytes on the heap.
      Specified by:
      allocate in interface ValueAccessor<byte[]>

    • factory

      public ValueAccessor.ObjectFactory<byte[]> factory()
      Description copied from interface: ValueAccessor
      returns the ValueAccessor.ObjectFactory for the backing type
      Specified by:
      factory in interface ValueAccessor<byte[]>