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+/*
+ * Copyright (c) 2010, Michael Bien
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Michael Bien nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Michael Bien BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Created on Saturday, March 27 2010 11:55
+ */
+package com.jogamp.common.nio;
+
+import com.jogamp.common.os.*;
+import java.nio.ByteBuffer;
+import java.nio.Buffer;
+import java.util.HashMap;
+
+/**
+ * Hardware independent container for native pointer arrays.
+ *
+ * The native values (NIO direct ByteBuffer) might be 32bit or 64bit wide,
+ * depending of the CPU pointer width.
+ *
+ * @author Michael Bien
+ * @author Sven Gothel
+ */
+public abstract class AbstractLongBuffer extends AbstractBuffer {
+
+ protected long[] backup;
+
+ protected HashMap/*<aptr, buffer>*/ dataMap = new HashMap();
+
+ static {
+ NativeLibrary.ensureNativeLibLoaded();
+ }
+
+ protected AbstractLongBuffer(ByteBuffer bb, int elementSize) {
+ super(bb, elementSize);
+
+ backup = new long[capacity];
+ }
+
+ final void updateBackup() {
+ for (int i = 0; i < capacity; i++) {
+ backup[i] = get(i);
+ }
+ }
+
+ public final boolean hasArray() {
+ return true;
+ }
+
+ public final long[] array() {
+ return backup;
+ }
+
+ /** Absolute get method. Get the pointer value at the given index */
+ public abstract long get(int idx);
+
+ /** Relative get method. Get the pointer value at the current position and increment the position by one. */
+ public final long get() {
+ long r = get(position);
+ position++;
+ return r;
+ }
+
+ /**
+ * Relative bulk get method. Copy the pointer values <code> [ position .. position+length [</code>
+ * to the destination array <code> [ dest[offset] .. dest[offset+length] [ </code>
+ * and increment the position by <code>length</code>. */
+ public final AbstractLongBuffer get(long[] dest, int offset, int length) {
+ if (dest.length<offset+length) {
+ throw new IndexOutOfBoundsException();
+ }
+ if (remaining() < length) {
+ throw new IndexOutOfBoundsException();
+ }
+ while(length>0) {
+ dest[offset++] = get(position++);
+ length--;
+ }
+ return this;
+ }
+
+ /** Absolute put method. Put the pointer value at the given index */
+ public abstract AbstractLongBuffer put(int index, long value);
+
+ /** Relative put method. Put the pointer value at the current position and increment the position by one. */
+ public final AbstractLongBuffer put(long value) {
+ put(position, value);
+ position++;
+ return this;
+ }
+
+ /**
+ * Relative bulk put method. Put the pointer values <code> [ src[offset] .. src[offset+length] [</code>
+ * at the current position and increment the position by <code>length</code>. */
+ public final AbstractLongBuffer put(long[] src, int offset, int length) {
+ if (src.length<offset+length) {
+ throw new IndexOutOfBoundsException();
+ }
+ if (remaining() < length) {
+ throw new IndexOutOfBoundsException();
+ }
+ while(length>0) {
+ put(position++, src[offset++]);
+ length--;
+ }
+ return this;
+ }
+
+ /**
+ * Relative bulk get method. Copy the source values <code> src[position .. capacity] [</code>
+ * to this buffer and increment the position by <code>capacity-position</code>. */
+ public AbstractLongBuffer put(AbstractLongBuffer src) {
+ if (remaining() < src.remaining()) {
+ throw new IndexOutOfBoundsException();
+ }
+ while (src.hasRemaining()) {
+ put(src.get());
+ }
+ return this;
+ }
+}