| Methods Summary |
|---|
| public long | address()
return address;
|
| public java.nio.DoubleBuffer | asReadOnlyBuffer()
return new DirectDoubleBufferRU(this,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
0);
|
| public sun.misc.Cleaner | cleaner() return null;
|
| public java.nio.DoubleBuffer | compact()
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
unsafe.copyMemory(ix(pos), ix(0), rem << 3);
position(rem);
limit(capacity());
return this;
|
| public java.nio.DoubleBuffer | duplicate()
return new DirectDoubleBufferU(this,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
0);
|
| public double | get(int i)
return ((unsafe.getDouble(ix(checkIndex(i)))));
|
| public java.nio.DoubleBuffer | get(double[] dst, int offset, int length)
if ((length << 3) > Bits.JNI_COPY_TO_ARRAY_THRESHOLD) {
checkBounds(offset, length, dst.length);
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
if (length > rem)
throw new BufferUnderflowException();
if (order() != ByteOrder.nativeOrder())
Bits.copyToLongArray(ix(pos), dst,
offset << 3,
length << 3);
else
Bits.copyToByteArray(ix(pos), dst,
offset << 3,
length << 3);
position(pos + length);
} else {
super.get(dst, offset, length);
}
return this;
|
| public double | get()
return ((unsafe.getDouble(ix(nextGetIndex()))));
|
| public boolean | isDirect()
return true;
|
| public boolean | isReadOnly()
return false;
|
| private long | ix(int i)
return address + (i << 3);
|
| public java.nio.ByteOrder | order()
return ((ByteOrder.nativeOrder() != ByteOrder.BIG_ENDIAN)
? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN);
|
| public java.nio.DoubleBuffer | put(double x)
unsafe.putDouble(ix(nextPutIndex()), ((x)));
return this;
|
| public java.nio.DoubleBuffer | put(int i, double x)
unsafe.putDouble(ix(checkIndex(i)), ((x)));
return this;
|
| public java.nio.DoubleBuffer | put(java.nio.DoubleBuffer src)
if (src instanceof DirectDoubleBufferU) {
if (src == this)
throw new IllegalArgumentException();
DirectDoubleBufferU sb = (DirectDoubleBufferU)src;
int spos = sb.position();
int slim = sb.limit();
assert (spos <= slim);
int srem = (spos <= slim ? slim - spos : 0);
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
if (srem > rem)
throw new BufferOverflowException();
unsafe.copyMemory(sb.ix(spos), ix(pos), srem << 3);
sb.position(spos + srem);
position(pos + srem);
} else if (!src.isDirect()) {
int spos = src.position();
int slim = src.limit();
assert (spos <= slim);
int srem = (spos <= slim ? slim - spos : 0);
put(src.hb, src.offset + spos, srem);
src.position(spos + srem);
} else {
super.put(src);
}
return this;
|
| public java.nio.DoubleBuffer | put(double[] src, int offset, int length)
if ((length << 3) > Bits.JNI_COPY_FROM_ARRAY_THRESHOLD) {
checkBounds(offset, length, src.length);
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
if (length > rem)
throw new BufferOverflowException();
if (order() != ByteOrder.nativeOrder())
Bits.copyFromLongArray(src, offset << 3,
ix(pos), length << 3);
else
Bits.copyFromByteArray(src, offset << 3,
ix(pos), length << 3);
position(pos + length);
} else {
super.put(src, offset, length);
}
return this;
|
| public java.nio.DoubleBuffer | slice()
int pos = this.position();
int lim = this.limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
int off = (pos << 3);
assert (off >= 0);
return new DirectDoubleBufferU(this, -1, 0, rem, rem, off);
|
| public java.lang.Object | viewedBuffer()
return viewedBuffer;
|
