/[classpath]/classpath/gnu/java/nio/MappedFloatFileBuffer.java
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Diff of /classpath/gnu/java/nio/MappedFloatFileBuffer.java

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revision 1.4 by cbj, Wed Mar 13 13:05:22 2002 UTC revision 1.5 by rveldema, Mon Apr 8 10:14:49 2002 UTC
# Line 1  Line 1 
1  package gnu.java.nio;  package gnu.java.nio;
2  import java.nio.*;  import java.nio.*;
3    import java.io.IOException;
4  final public class MappedFloatFileBuffer  final public class MappedFloatFileBuffer
5   extends FloatBuffer   extends FloatBuffer
6  {  {
# Line 11  final public class MappedFloatFileBuffer Line 12  final public class MappedFloatFileBuffer
12    {    {
13      this.ch = ch;      this.ch = ch;
14      address = ch.address;      address = ch.address;
15        try {
16          long si = ch.size() / 4;
17          limit((int)si);
18        } catch (IOException e) {
19          System.err.println("failed to get size of file-channel's file");
20        }
21    }    }
22    public MappedFloatFileBuffer(MappedFloatFileBuffer b)    public MappedFloatFileBuffer(MappedFloatFileBuffer b)
23    {    {
24      this.ro = b.ro;      this.ro = b.ro;
25      this.ch = b.ch;      this.ch = b.ch;
26      address = b.address;      address = b.address;
27        limit(b.limit());
28    }    }
29    public boolean isReadOnly()    public boolean isReadOnly()
30    {    {
# Line 24  final public class MappedFloatFileBuffer Line 32  final public class MappedFloatFileBuffer
32    }    }
33  final public float get()  final public float get()
34    {    {
35      float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, position());      float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, position(), limit(), address);
36      position(position() + 4);      position(position() + 4);
37      return a;      return a;
38    }    }
39  final public FloatBuffer put(float b)  final public FloatBuffer put(float b)
40    {    {
41      MappedByteFileBuffer.nio_write_Float_file_channel(ch, position(), b);      MappedByteFileBuffer.nio_write_Float_file_channel(ch, position(), limit(), b, address);
42      position(position() + 4);      position(position() + 4);
43      return this;      return this;
44    }    }
45  final public float get(int index)  final public float get(int index)
46    {    {
47      float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, index);      float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, index, limit(), address);
48      return a;      return a;
49    }    }
50  final public FloatBuffer put(int index, float b)  final public FloatBuffer put(int index, float b)
51    {    {
52      MappedByteFileBuffer.nio_write_Float_file_channel(ch, index, b);      MappedByteFileBuffer.nio_write_Float_file_channel(ch, index, limit(), b, address);
53      return this;      return this;
54    }    }
55  final public FloatBuffer compact()  final public FloatBuffer compact()
# Line 67  public FloatBuffer asReadOnlyBuffer() Line 75  public FloatBuffer asReadOnlyBuffer()
75      b.ro = true;      b.ro = true;
76      return b;      return b;
77    }    }
78    final public ByteBuffer asByteBuffer() { return new MappedByteFileBuffer(ch); } final public byte getByte() { byte a = MappedByteFileBuffer.nio_read_Byte_file_channel(ch, position()); position(position() + 4); return a; } final public FloatBuffer putByte(byte value) { MappedByteFileBuffer.nio_write_Byte_file_channel(ch, position(), value); position(position() + 4); return this; } final public byte getByte(int index) { byte a = MappedByteFileBuffer.nio_read_Byte_file_channel(ch, index); return a; } final public FloatBuffer putByte(int index, byte value) { MappedByteFileBuffer.nio_write_Byte_file_channel(ch, index, value); return this; };    final public ByteBuffer asByteBuffer() { ByteBuffer res = new MappedByteFileBuffer(ch); res.limit((limit()*4)/1); return res; } final public byte getByte() { byte a = MappedByteFileBuffer.nio_read_Byte_file_channel(ch, position(), limit(), address); position(position() + 4); return a; } final public FloatBuffer putByte(byte value) { MappedByteFileBuffer.nio_write_Byte_file_channel(ch, position(), limit(), value, address); position(position() + 4); return this; } final public byte getByte(int index) { byte a = MappedByteFileBuffer.nio_read_Byte_file_channel(ch, index, limit(), address); return a; } final public FloatBuffer putByte(int index, byte value) { MappedByteFileBuffer.nio_write_Byte_file_channel(ch, index, limit(), value, address); return this; };
79    final public CharBuffer asCharBuffer() { return new MappedCharFileBuffer(ch); } final public char getChar() { char a = MappedByteFileBuffer.nio_read_Char_file_channel(ch, position()); position(position() + 4); return a; } final public FloatBuffer putChar(char value) { MappedByteFileBuffer.nio_write_Char_file_channel(ch, position(), value); position(position() + 4); return this; } final public char getChar(int index) { char a = MappedByteFileBuffer.nio_read_Char_file_channel(ch, index); return a; } final public FloatBuffer putChar(int index, char value) { MappedByteFileBuffer.nio_write_Char_file_channel(ch, index, value); return this; };    final public CharBuffer asCharBuffer() { CharBuffer res = new MappedCharFileBuffer(ch); res.limit((limit()*4)/2); return res; } final public char getChar() { char a = MappedByteFileBuffer.nio_read_Char_file_channel(ch, position(), limit(), address); position(position() + 4); return a; } final public FloatBuffer putChar(char value) { MappedByteFileBuffer.nio_write_Char_file_channel(ch, position(), limit(), value, address); position(position() + 4); return this; } final public char getChar(int index) { char a = MappedByteFileBuffer.nio_read_Char_file_channel(ch, index, limit(), address); return a; } final public FloatBuffer putChar(int index, char value) { MappedByteFileBuffer.nio_write_Char_file_channel(ch, index, limit(), value, address); return this; };
80    final public ShortBuffer asShortBuffer() { return new MappedShortFileBuffer(ch); } final public short getShort() { short a = MappedByteFileBuffer.nio_read_Short_file_channel(ch, position()); position(position() + 4); return a; } final public FloatBuffer putShort(short value) { MappedByteFileBuffer.nio_write_Short_file_channel(ch, position(), value); position(position() + 4); return this; } final public short getShort(int index) { short a = MappedByteFileBuffer.nio_read_Short_file_channel(ch, index); return a; } final public FloatBuffer putShort(int index, short value) { MappedByteFileBuffer.nio_write_Short_file_channel(ch, index, value); return this; };    final public ShortBuffer asShortBuffer() { ShortBuffer res = new MappedShortFileBuffer(ch); res.limit((limit()*4)/2); return res; } final public short getShort() { short a = MappedByteFileBuffer.nio_read_Short_file_channel(ch, position(), limit(), address); position(position() + 4); return a; } final public FloatBuffer putShort(short value) { MappedByteFileBuffer.nio_write_Short_file_channel(ch, position(), limit(), value, address); position(position() + 4); return this; } final public short getShort(int index) { short a = MappedByteFileBuffer.nio_read_Short_file_channel(ch, index, limit(), address); return a; } final public FloatBuffer putShort(int index, short value) { MappedByteFileBuffer.nio_write_Short_file_channel(ch, index, limit(), value, address); return this; };
81    final public IntBuffer asIntBuffer() { return new MappedIntFileBuffer(ch); } final public int getInt() { int a = MappedByteFileBuffer.nio_read_Int_file_channel(ch, position()); position(position() + 4); return a; } final public FloatBuffer putInt(int value) { MappedByteFileBuffer.nio_write_Int_file_channel(ch, position(), value); position(position() + 4); return this; } final public int getInt(int index) { int a = MappedByteFileBuffer.nio_read_Int_file_channel(ch, index); return a; } final public FloatBuffer putInt(int index, int value) { MappedByteFileBuffer.nio_write_Int_file_channel(ch, index, value); return this; };    final public IntBuffer asIntBuffer() { IntBuffer res = new MappedIntFileBuffer(ch); res.limit((limit()*4)/4); return res; } final public int getInt() { int a = MappedByteFileBuffer.nio_read_Int_file_channel(ch, position(), limit(), address); position(position() + 4); return a; } final public FloatBuffer putInt(int value) { MappedByteFileBuffer.nio_write_Int_file_channel(ch, position(), limit(), value, address); position(position() + 4); return this; } final public int getInt(int index) { int a = MappedByteFileBuffer.nio_read_Int_file_channel(ch, index, limit(), address); return a; } final public FloatBuffer putInt(int index, int value) { MappedByteFileBuffer.nio_write_Int_file_channel(ch, index, limit(), value, address); return this; };
82    final public LongBuffer asLongBuffer() { return new MappedLongFileBuffer(ch); } final public long getLong() { long a = MappedByteFileBuffer.nio_read_Long_file_channel(ch, position()); position(position() + 4); return a; } final public FloatBuffer putLong(long value) { MappedByteFileBuffer.nio_write_Long_file_channel(ch, position(), value); position(position() + 4); return this; } final public long getLong(int index) { long a = MappedByteFileBuffer.nio_read_Long_file_channel(ch, index); return a; } final public FloatBuffer putLong(int index, long value) { MappedByteFileBuffer.nio_write_Long_file_channel(ch, index, value); return this; };    final public LongBuffer asLongBuffer() { LongBuffer res = new MappedLongFileBuffer(ch); res.limit((limit()*4)/8); return res; } final public long getLong() { long a = MappedByteFileBuffer.nio_read_Long_file_channel(ch, position(), limit(), address); position(position() + 4); return a; } final public FloatBuffer putLong(long value) { MappedByteFileBuffer.nio_write_Long_file_channel(ch, position(), limit(), value, address); position(position() + 4); return this; } final public long getLong(int index) { long a = MappedByteFileBuffer.nio_read_Long_file_channel(ch, index, limit(), address); return a; } final public FloatBuffer putLong(int index, long value) { MappedByteFileBuffer.nio_write_Long_file_channel(ch, index, limit(), value, address); return this; };
83    final public FloatBuffer asFloatBuffer() { return new MappedFloatFileBuffer(ch); } final public float getFloat() { float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, position()); position(position() + 4); return a; } final public FloatBuffer putFloat(float value) { MappedByteFileBuffer.nio_write_Float_file_channel(ch, position(), value); position(position() + 4); return this; } final public float getFloat(int index) { float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, index); return a; } final public FloatBuffer putFloat(int index, float value) { MappedByteFileBuffer.nio_write_Float_file_channel(ch, index, value); return this; };    final public FloatBuffer asFloatBuffer() { FloatBuffer res = new MappedFloatFileBuffer(ch); res.limit((limit()*4)/4); return res; } final public float getFloat() { float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, position(), limit(), address); position(position() + 4); return a; } final public FloatBuffer putFloat(float value) { MappedByteFileBuffer.nio_write_Float_file_channel(ch, position(), limit(), value, address); position(position() + 4); return this; } final public float getFloat(int index) { float a = MappedByteFileBuffer.nio_read_Float_file_channel(ch, index, limit(), address); return a; } final public FloatBuffer putFloat(int index, float value) { MappedByteFileBuffer.nio_write_Float_file_channel(ch, index, limit(), value, address); return this; };
84    final public DoubleBuffer asDoubleBuffer() { return new MappedDoubleFileBuffer(ch); } final public double getDouble() { double a = MappedByteFileBuffer.nio_read_Double_file_channel(ch, position()); position(position() + 4); return a; } final public FloatBuffer putDouble(double value) { MappedByteFileBuffer.nio_write_Double_file_channel(ch, position(), value); position(position() + 4); return this; } final public double getDouble(int index) { double a = MappedByteFileBuffer.nio_read_Double_file_channel(ch, index); return a; } final public FloatBuffer putDouble(int index, double value) { MappedByteFileBuffer.nio_write_Double_file_channel(ch, index, value); return this; };    final public DoubleBuffer asDoubleBuffer() { DoubleBuffer res = new MappedDoubleFileBuffer(ch); res.limit((limit()*4)/8); return res; } final public double getDouble() { double a = MappedByteFileBuffer.nio_read_Double_file_channel(ch, position(), limit(), address); position(position() + 4); return a; } final public FloatBuffer putDouble(double value) { MappedByteFileBuffer.nio_write_Double_file_channel(ch, position(), limit(), value, address); position(position() + 4); return this; } final public double getDouble(int index) { double a = MappedByteFileBuffer.nio_read_Double_file_channel(ch, index, limit(), address); return a; } final public FloatBuffer putDouble(int index, double value) { MappedByteFileBuffer.nio_write_Double_file_channel(ch, index, limit(), value, address); return this; };
85  }  }

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