Package com._1c.g5.v8.xmdb.unsafe

Class UnsafeMemoryOld

java.lang.Object
com._1c.g5.v8.xmdb.unsafe.UnsafeMemoryOld
public class UnsafeMemoryOld extends Object
Wrapper around sun.misc.Unsafe to speedup some memory manipulation

  • Constructor Summary

    Constructors
    Constructor
    Description
    UnsafeMemoryOld(byte[] buffer)
    Wrap byte array

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    getAllocated()
    Get total base array size
    boolean
    getBoolean()
    Read boolean from current position
    byte
    getByte()
    Read byte from current position
    byte[]
    getByteArray()
    Read byte[] from current position.
    byte[]
    getByteArray(int arraySize)
    Read byte[] from current position.
    double[]
    getDoubleArray()
    Read double[] from current position.
    int
    getInt()
    Read integer from current position
    int[]
    getIntArray()
    Read int array from current position.
    int[]
    getIntArray(int arraySize)
    Read int array from current position.
    long
    getLong()
    Read long from current position
    long[]
    getLongArray()
    Read long[] from current postion.
    long[]
    getLongArray(int arraySize)
    Read long array from current position.
    int
    getPos()
    Get current position on base array
    void
    putBoolean(boolean value)
    Write boolean to current position
    void
    putByte(byte value)
    Write byte to current position
    void
    putByteArray(byte[] values)
    Write byte[] to current position.
    void
    putByteArrayRaw(byte[] values)
    Write byte[] to current position without array length data;
    void
    putDoubleArray(double[] values)
    Write double[] to current array.
    void
    putInt(int value)
    Write integer to current position
    void
    putIntArray(int[] values)
    Write int[] to current position.
    void
    putIntArrayRaw(int[] values)
    Write int array to current position without array length data.
    void
    putLong(long value)
    Write long to current position
    void
    putLongArray(long[] values)
    Write long array to current position.
    void
    putLongArrayRaw(long[] values)
    Write long[] to current position without array length data.
    void
    reset()
    Set position to 0

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • UnsafeMemoryOld

      public UnsafeMemoryOld(byte[] buffer)
      Wrap byte array
      Parameters:
      buffer -

  • Method Details

    • reset

      public void reset()
      Set position to 0

    • putBoolean

      public void putBoolean(boolean value)
      Write boolean to current position
      Parameters:
      value - boolean to write

    • getBoolean

      public boolean getBoolean()
      Read boolean from current position
      Returns:
      boolean from base array

    • putInt

      public void putInt(int value)
      Write integer to current position
      Parameters:
      value - integer to write

    • getInt

      public int getInt()
      Read integer from current position
      Returns:
      integer from base array

    • putLong

      public void putLong(long value)
      Write long to current position
      Parameters:
      value - long to write

    • getLong

      public long getLong()
      Read long from current position
      Returns:
      long from base array

    • putLongArray

      public void putLongArray(long[] values)
      Write long array to current position. Write array length too;
      Parameters:
      values - long array to write

    • putByte

      public void putByte(byte value)
      Write byte to current position
      Parameters:
      value - byte to write

    • getByte

      public byte getByte()
      Read byte from current position
      Returns:
      byte from base array

    • putLongArrayRaw

      public void putLongArrayRaw(long[] values)
      Write long[] to current position without array length data.
      Parameters:
      values - long[] to write

    • getLongArray

      public long[] getLongArray()
      Read long[] from current postion. Array length should be there (by putLongArray method).
      Returns:
      long[] from base array

    • getLongArray

      public long[] getLongArray(int arraySize)
      Read long array from current position. Array length from parameter
      Parameters:
      arraySize - count of long to read
      Returns:
      long[] from base array

    • getIntArray

      public int[] getIntArray()
      Read int array from current position. Array length should be there (by putIntArray method).
      Returns:
      int[] from base array

    • getIntArray

      public int[] getIntArray(int arraySize)
      Read int array from current position. Array length from parameter
      Parameters:
      arraySize - count of int to read
      Returns:
      int[] from base array

    • putIntArray

      public void putIntArray(int[] values)
      Write int[] to current position. Write int array length too.
      Parameters:
      values - int[] to write

    • putIntArrayRaw

      public void putIntArrayRaw(int[] values)
      Write int array to current position without array length data.
      Parameters:
      values - int[] to write

    • getByteArray

      public byte[] getByteArray()
      Read byte[] from current position. Array length should be there (by putByteArray method)
      Returns:
      byte[] from base array

    • getByteArray

      public byte[] getByteArray(int arraySize)
      Read byte[] from current position. Array length from parameter.
      Parameters:
      arraySize - count of int to read
      Returns:
      int[] from base array

    • putByteArray

      public void putByteArray(byte[] values)
      Write byte[] to current position. Write valuer array length data.
      Parameters:
      values - byte[] to write

    • putByteArrayRaw

      public void putByteArrayRaw(byte[] values)
      Write byte[] to current position without array length data;
      Parameters:
      values - byte[] to write

    • putDoubleArray

      public void putDoubleArray(double[] values)
      Write double[] to current array. Write values array length data
      Parameters:
      values - double[] to write

    • getDoubleArray

      public double[] getDoubleArray()
      Read double[] from current position. Array length should be there (by putDoubleArray method)
      Returns:
      double[] form base array

    • getPos

      public int getPos()
      Get current position on base array
      Returns:
      current position

    • getAllocated

      public int getAllocated()
      Get total base array size
      Returns:
      base array (allocated) size