protected void read(DataInputStream s) {
try {
ref = new WeakReference<DataBuffer>(this, Nd4j.bufferRefQueue());
referencing = Collections.synchronizedSet(new HashSet<String>());
dirty = new AtomicBoolean(false);
allocationMode = AllocationMode.valueOf(s.readUTF());
length = s.readInt();
Type t = Type.valueOf(s.readUTF());
if (t == Type.DOUBLE) {
if (allocationMode == AllocationMode.HEAP) {
if (this.dataType() == Type.FLOAT) { // DataBuffer type
// double -> float
floatData = new float[length()];
} else if (this.dataType() == Type.DOUBLE) {
// double -> double
doubleData = new double[length()];
} else {
// double -> int
intData = new int[length()];
}
for (int i = 0; i < length(); i++) {
put(i, s.readDouble());
}
} else {
wrappedBuffer = ByteBuffer.allocateDirect(length() * getElementSize());
wrappedBuffer.order(ByteOrder.nativeOrder());
for (int i = 0; i < length(); i++) {
put(i, s.readDouble());
}
}
} else {
if (allocationMode == AllocationMode.HEAP) {
if (this.dataType() == Type.FLOAT) { // DataBuffer type
// float -> float
floatData = new float[length()];
} else if (this.dataType() == Type.DOUBLE) {
// float -> double
doubleData = new double[length()];
} else {
// float-> int
intData = new int[length()];
}
for (int i = 0; i < length(); i++) {
put(i, s.readFloat());
}
} else {
wrappedBuffer = ByteBuffer.allocateDirect(length() * getElementSize());
wrappedBuffer.order(ByteOrder.nativeOrder());
for (int i = 0; i < length(); i++) {
put(i, s.readFloat());
}
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Base class for a data buffer handling basic byte operations among other things.
*
* @author Adam Gibson
*/
public abstract class BaseDataBuffer implements DataBuffer {
protected int length;
protected int offset;
protected int elementSize;
protected transient ByteBuffer wrappedBuffer;
protected Collection<String> referencing = Collections.synchronizedSet(new HashSet<String>());
protected transient WeakReference<DataBuffer> ref;
protected boolean isPersist = false;
protected AllocationMode allocationMode;
protected double[] doubleData;
protected int[] intData;
protected float[] floatData;
protected AtomicBoolean dirty = new AtomicBoolean(false);
/**
* @param buf
* @param length
*/
protected BaseDataBuffer(ByteBuf buf, int length, int offset) {
this(buf, length);
this.offset = offset;
}
/**
* @param buf
* @param length
*/
protected BaseDataBuffer(ByteBuf buf, int length) {
allocationMode = Nd4j.alloc;
this.wrappedBuffer = buf.nioBuffer();
this.length = length;
}
/**
* @param data
* @param copy
*/
public BaseDataBuffer(float[] data, boolean copy, int offset) {
this(data, copy);
this.offset = offset;
}
/**
* @param data
* @param copy
*/
public BaseDataBuffer(float[] data, boolean copy) {
allocationMode = Nd4j.alloc;
if (allocationMode == AllocationMode.HEAP) {
if (copy) {
floatData = ArrayUtil.copy(data);
} else {
this.floatData = data;
}
} else {
wrappedBuffer = ByteBuffer.allocateDirect(4 * data.length);
wrappedBuffer.order(ByteOrder.nativeOrder());
FloatBuffer buffer = wrappedBuffer.asFloatBuffer();
for (int i = 0; i < data.length; i++) {
buffer.put(i, data[i]);
}
}
length = data.length;
}
/**
* @param data
* @param copy
*/
public BaseDataBuffer(double[] data, boolean copy, int offset) {
this(data, copy);
this.offset = offset;
}
/**
* @param data
* @param copy
*/
public BaseDataBuffer(double[] data, boolean copy) {
allocationMode = Nd4j.alloc;
if (allocationMode == AllocationMode.HEAP) {
if (copy) {
doubleData = ArrayUtil.copy(data);
} else {
this.doubleData = data;
}
} else {
wrappedBuffer = ByteBuffer.allocateDirect(8 * data.length);
wrappedBuffer.order(ByteOrder.nativeOrder());
DoubleBuffer buffer = wrappedBuffer.asDoubleBuffer();
for (int i = 0; i < data.length; i++) {
buffer.put(i, data[i]);
}
}
length = data.length;
}
/**
* @param data
* @param copy
*/
public BaseDataBuffer(int[] data, boolean copy, int offset) {
this(data, copy);
this.offset = offset;
}
/**
* @param data
* @param copy
*/
public BaseDataBuffer(int[] data, boolean copy) {
allocationMode = Nd4j.alloc;
if (allocationMode == AllocationMode.HEAP) {
if (copy) intData = ArrayUtil.copy(data);
else this.intData = data;
} else {
wrappedBuffer = ByteBuffer.allocateDirect(4 * data.length);
wrappedBuffer.order(ByteOrder.nativeOrder());
IntBuffer buffer = wrappedBuffer.asIntBuffer();
for (int i = 0; i < data.length; i++) {
buffer.put(i, data[i]);
}
}
length = data.length;
}
/** @param data */
public BaseDataBuffer(double[] data) {
this(data, Nd4j.copyOnOps);
}
/** @param data */
public BaseDataBuffer(int[] data) {
this(data, Nd4j.copyOnOps);
}
/** @param data */
public BaseDataBuffer(float[] data) {
this(data, Nd4j.copyOnOps);
}
/**
* @param length
* @param elementSize
*/
public BaseDataBuffer(int length, int elementSize, int offset) {
this(length, elementSize);
this.offset = offset;
}
/**
* @param length
* @param elementSize
*/
public BaseDataBuffer(int length, int elementSize) {
allocationMode = Nd4j.alloc;
this.length = length;
this.elementSize = elementSize;
if (allocationMode() == AllocationMode.DIRECT) {
// allows for creation of the nio byte buffer to be overridden
setNioBuffer();
} else if (dataType() == Type.DOUBLE) {
doubleData = new double[length];
} else if (dataType() == Type.FLOAT) {
floatData = new float[length];
} else if (dataType() == Type.INT) intData = new int[length];
}
/**
* Create a data buffer from the given length
*
* @param buffer
* @param length
*/
public BaseDataBuffer(ByteBuffer buffer, int length, int offset) {
this(buffer, length);
this.offset = offset;
}
/**
* Create a data buffer from the given length
*
* @param buffer
* @param length
*/
public BaseDataBuffer(ByteBuffer buffer, int length) {
allocationMode = Nd4j.alloc;
this.length = length;
buffer.order(ByteOrder.nativeOrder());
if (allocationMode() == AllocationMode.DIRECT) {
this.wrappedBuffer = buffer;
} else if (dataType() == Type.INT) {
intData = new int[length];
IntBuffer intBuffer = buffer.asIntBuffer();
for (int i = 0; i < length; i++) {
intData[i] = intBuffer.get(i);
}
} else if (dataType() == Type.DOUBLE) {
doubleData = new double[length];
DoubleBuffer doubleBuffer = buffer.asDoubleBuffer();
for (int i = 0; i < length; i++) {
doubleData[i] = doubleBuffer.get(i);
}
} else if (dataType() == Type.FLOAT) {
floatData = new float[length];
FloatBuffer floatBuffer = buffer.asFloatBuffer();
for (int i = 0; i < length; i++) {
floatData[i] = floatBuffer.get(i);
}
}
}
// sets the nio wrapped buffer (allows to be overridden for other use cases like cuda)
protected void setNioBuffer() {
wrappedBuffer = ByteBuffer.allocateDirect(elementSize * length);
wrappedBuffer.order(ByteOrder.nativeOrder());
}
public BaseDataBuffer(byte[] data, int length) {
this(Unpooled.wrappedBuffer(data), length);
}
@Override
public int offset() {
return offset;
}
@Override
public AllocationMode allocationMode() {
return allocationMode;
}
@Override
public void persist() {
isPersist = true;
}
@Override
public boolean isPersist() {
return isPersist;
}
@Override
public void unPersist() {
isPersist = false;
}
/**
* Instantiate a buffer with the given length
*
* @param length the length of the buffer
*/
protected BaseDataBuffer(int length) {
this.length = length;
allocationMode = Nd4j.alloc;
if (length < 0) throw new IllegalArgumentException("Unable to create a buffer of length <= 0");
ref = new WeakReference<DataBuffer>(this, Nd4j.bufferRefQueue());
if (allocationMode == AllocationMode.HEAP) {
if (length >= Integer.MAX_VALUE)
throw new IllegalArgumentException(
"Length of data buffer can not be > Integer.MAX_VALUE for heap (array based storage) allocation");
if (dataType() == Type.DOUBLE) doubleData = new double[length];
else if (dataType() == Type.FLOAT) floatData = new float[length];
} else {
if (length * getElementSize() < 0)
throw new IllegalArgumentException(
"Unable to create buffer of length " + length + " due to negative length specified");
wrappedBuffer =
ByteBuffer.allocateDirect(getElementSize() * length).order(ByteOrder.nativeOrder());
}
}
@Override
public void copyAtStride(
DataBuffer buf, int n, int stride, int yStride, int offset, int yOffset) {
if (dataType() == Type.FLOAT) {
for (int i = 0; i < n; i++) {
put(offset + i * stride, buf.getFloat(yOffset + i * yStride));
}
} else {
for (int i = 0; i < n; i++) {
put(offset + i * stride, buf.getDouble(yOffset + i * yStride));
}
}
}
@Override
public void removeReferencing(String id) {
referencing.remove(id);
}
@Override
public Collection<String> references() {
return referencing;
}
@Override
public void addReferencing(String id) {
referencing.add(id);
}
@Override
public void assign(int[] indices, float[] data, boolean contiguous, int inc) {
if (indices.length != data.length)
throw new IllegalArgumentException("Indices and data length must be the same");
if (indices.length > length())
throw new IllegalArgumentException(
"More elements than space to assign. This buffer is of length "
+ length()
+ " where the indices are of length "
+ data.length);
for (int i = 0; i < indices.length; i++) {
put(indices[i], data[i]);
}
}
@Override
public void setData(int[] data) {
if (intData != null) this.intData = data;
else {
for (int i = 0; i < data.length; i++) {
put(i, data[i]);
}
}
}
@Override
public void setData(float[] data) {
if (floatData != null) {
this.floatData = data;
} else {
for (int i = 0; i < data.length; i++) put(i, data[i]);
}
}
@Override
public void setData(double[] data) {
if (doubleData != null) {
this.doubleData = data;
} else {
for (int i = 0; i < data.length; i++) put(i, data[i]);
}
}
@Override
public void assign(int[] indices, double[] data, boolean contiguous, int inc) {
if (indices.length != data.length)
throw new IllegalArgumentException("Indices and data length must be the same");
if (indices.length > length())
throw new IllegalArgumentException(
"More elements than space to assign. This buffer is of length "
+ length()
+ " where the indices are of length "
+ data.length);
for (int i = 0; i < indices.length; i += inc) {
put(indices[i], data[i]);
}
}
@Override
public void assign(DataBuffer data) {
if (data.length() != length())
throw new IllegalArgumentException(
"Unable to assign buffer of length "
+ data.length()
+ " to this buffer of length "
+ length());
for (int i = 0; i < data.length(); i++) {
put(i, data.getDouble(i));
}
}
@Override
public void assign(int[] indices, float[] data, boolean contiguous) {
assign(indices, data, contiguous, 1);
}
@Override
public void assign(int[] indices, double[] data, boolean contiguous) {
assign(indices, data, contiguous, 1);
}
@Override
public int length() {
return length;
}
@Override
public void assign(Number value) {
for (int i = 0; i < length(); i++) assign(value, i);
}
@Override
public double[] getDoublesAt(int offset, int length) {
return getDoublesAt(offset, 1, length);
}
@Override
public float[] getFloatsAt(int offset, int inc, int length) {
if (offset + length > length()) length -= offset;
float[] ret = new float[length];
for (int i = 0; i < length; i++) {
ret[i] = getFloat(i + offset);
}
return ret;
}
@Override
public DataBuffer dup() {
if (floatData != null) {
return create(floatData);
} else if (doubleData != null) {
return create(doubleData);
} else if (intData != null) {
return create(intData);
}
DataBuffer ret = create(length);
for (int i = 0; i < ret.length(); i++) ret.put(i, getDouble(i));
return ret;
}
/**
* Create with length
*
* @param length a databuffer of the same type as this with the given length
* @return a data buffer with the same length and datatype as this one
*/
protected abstract DataBuffer create(int length);
/**
* Create the data buffer with respect to the given byte buffer
*
* @param data the buffer to create
* @return the data buffer based on the given buffer
*/
public abstract DataBuffer create(double[] data);
/**
* Create the data buffer with respect to the given byte buffer
*
* @param data the buffer to create
* @return the data buffer based on the given buffer
*/
public abstract DataBuffer create(float[] data);
/**
* Create the data buffer with respect to the given byte buffer
*
* @param data the buffer to create
* @return the data buffer based on the given buffer
*/
public abstract DataBuffer create(int[] data);
/**
* Create the data buffer with respect to the given byte buffer
*
* @param buf the buffer to create
* @return the data buffer based on the given buffer
*/
public abstract DataBuffer create(ByteBuf buf, int length);
@Override
public double[] getDoublesAt(int offset, int inc, int length) {
if (offset + length > length()) length -= offset;
double[] ret = new double[length];
for (int i = 0; i < length; i++) {
ret[i] = getDouble(i + offset);
}
return ret;
}
@Override
public float[] getFloatsAt(int offset, int length) {
return getFloatsAt(offset, 1, length);
}
@Override
public IComplexFloat getComplexFloat(int i) {
return Nd4j.createFloat(getFloat(i), getFloat(i + 1));
}
@Override
public IComplexDouble getComplexDouble(int i) {
return Nd4j.createDouble(getDouble(i), getDouble(i + 1));
}
@Override
public IComplexNumber getComplex(int i) {
return dataType() == DataBuffer.Type.FLOAT ? getComplexFloat(i) : getComplexDouble(i);
}
@Override
public void put(int i, IComplexNumber result) {
put(i, result.realComponent().doubleValue());
put(i + 1, result.imaginaryComponent().doubleValue());
}
@Override
public void assign(int[] offsets, int[] strides, DataBuffer... buffers) {
assign(offsets, strides, length(), buffers);
}
@Override
public byte[] asBytes() {
if (allocationMode == AllocationMode.HEAP) {
ByteArrayOutputStream bos = new ByteArrayOutputStream(getElementSize() * length());
DataOutputStream dos = new DataOutputStream(bos);
if (dataType() == Type.DOUBLE) {
if (doubleData == null) throw new IllegalStateException("Double array is null!");
try {
for (int i = 0; i < doubleData.length; i++) dos.writeDouble(doubleData[i]);
} catch (IOException e) {
throw new RuntimeException(e);
}
} else {
if (floatData == null) throw new IllegalStateException("Double array is null!");
try {
for (int i = 0; i < floatData.length; i++) dos.writeFloat(floatData[i]);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return bos.toByteArray();
} else {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
if (dataType() == Type.DOUBLE) {
for (int i = 0; i < length(); i++) {
try {
dos.writeDouble(getDouble(i));
} catch (IOException e) {
e.printStackTrace();
}
}
} else {
for (int i = 0; i < length(); i++) {
try {
dos.writeFloat(getFloat(i));
} catch (IOException e) {
e.printStackTrace();
}
}
}
return bos.toByteArray();
}
}
@Override
public float[] asFloat() {
if (allocationMode == AllocationMode.HEAP) {
if (floatData != null) {
return floatData;
}
}
float[] ret = new float[length];
for (int i = 0; i < length; i++) ret[i] = getFloat(i);
return ret;
}
@Override
public double[] asDouble() {
if (allocationMode == AllocationMode.HEAP) {
if (doubleData != null) {
return doubleData;
}
}
double[] ret = new double[length];
for (int i = 0; i < length; i++) ret[i] = getDouble(i);
return ret;
}
@Override
public int[] asInt() {
if (allocationMode == AllocationMode.HEAP) {
if (intData != null) {
return intData;
}
}
return wrappedBuffer.asIntBuffer().array();
}
@Override
public double getDouble(int i) {
if (doubleData != null) {
if (i >= doubleData.length) throw new IllegalStateException("Index out of bounds " + i);
dirty.set(false);
return doubleData[i];
} else if (floatData != null) {
if (i >= floatData.length) throw new IllegalStateException("Index out of bounds " + i);
dirty.set(false);
return (double) floatData[i];
} else if (intData != null) {
dirty.set(false);
return (double) intData[i];
}
if (dataType() == Type.FLOAT) {
dirty.set(false);
return wrappedBuffer.asFloatBuffer().get(i);
} else if (dataType() == Type.INT) {
dirty.set(false);
return wrappedBuffer.asIntBuffer().get(i);
} else {
dirty.set(false);
return wrappedBuffer.asDoubleBuffer().get(i);
}
}
@Override
public float getFloat(int i) {
if (doubleData != null) {
if (i >= doubleData.length) throw new IllegalStateException("Index out of bounds " + i);
dirty.set(false);
return (float) doubleData[i];
} else if (floatData != null) {
if (i >= floatData.length) throw new IllegalStateException("Index out of bounds " + i);
dirty.set(false);
return floatData[i];
} else if (intData != null) {
dirty.set(false);
return (float) intData[i];
}
if (dataType() == Type.DOUBLE) {
dirty.set(false);
return (float) wrappedBuffer.asDoubleBuffer().get(i);
}
dirty.getAndSet(true);
return wrappedBuffer.asFloatBuffer().get(i);
}
@Override
public Number getNumber(int i) {
if (dataType() == Type.DOUBLE) return getDouble(i);
else if (dataType() == Type.INT) return getInt(i);
return getFloat(i);
}
@Override
public void put(int i, float element) {
put(i, (double) element);
}
@Override
public void put(int i, double element) {
if (i < 0 || i >= length()) throw new IllegalArgumentException("Illegal index " + i);
if (doubleData != null) doubleData[i] = element;
else if (floatData != null) floatData[i] = (float) element;
else if (intData != null) intData[i] = (int) element;
else {
if (dataType() == Type.DOUBLE) {
wrappedBuffer.asDoubleBuffer().put(i, element);
} else if (dataType() == Type.INT) {
wrappedBuffer.asIntBuffer().put(i, (int) element);
} else {
wrappedBuffer.asFloatBuffer().put(i, (float) element);
}
}
dirty.set(true);
}
@Override
public boolean dirty() {
return dirty.get();
}
@Override
public IntBuffer asNioInt() {
if (wrappedBuffer == null) {
return IntBuffer.wrap(intData);
}
return wrappedBuffer.asIntBuffer();
}
@Override
public DoubleBuffer asNioDouble() {
if (wrappedBuffer == null) {
return DoubleBuffer.wrap(doubleData);
}
return wrappedBuffer.asDoubleBuffer();
}
@Override
public FloatBuffer asNioFloat() {
if (wrappedBuffer == null) {
return FloatBuffer.wrap(floatData);
}
return wrappedBuffer.asFloatBuffer();
}
@Override
public ByteBuffer asNio() {
return wrappedBuffer;
}
@Override
public ByteBuf asNetty() {
if (wrappedBuffer != null) return Unpooled.wrappedBuffer(wrappedBuffer);
else if (floatData != null) return Unpooled.copyFloat(floatData);
else if (doubleData != null) return Unpooled.copyDouble(doubleData);
throw new IllegalStateException("No data source defined");
}
@Override
public void put(int i, int element) {
put(i, (double) element);
}
@Override
public void assign(Number value, int offset) {
for (int i = offset; i < length(); i++) put(i, value.doubleValue());
}
@Override
public void write(OutputStream dos) {
if (dos instanceof DataOutputStream) {
try {
write((DataOutputStream) dos);
} catch (IOException e) {
e.printStackTrace();
}
} else {
DataOutputStream dos2 = new DataOutputStream(dos);
try {
write(dos2);
} catch (IOException e) {
e.printStackTrace();
}
}
}
@Override
public void read(InputStream is) {
if (is instanceof DataInputStream) {
read((DataInputStream) is);
} else {
DataInputStream dis2 = new DataInputStream(is);
read(dis2);
}
}
@Override
public void flush() {}
@Override
public int getInt(int ix) {
return (int) getDouble(ix);
}
@Override
public void assign(int[] offsets, int[] strides, long n, DataBuffer... buffers) {
if (offsets.length != strides.length || strides.length != buffers.length)
throw new IllegalArgumentException(
"Unable to assign buffers, please specify equal lengths strides, offsets, and buffers");
int length = 0;
for (int i = 0; i < buffers.length; i++) length += buffers[i].length();
int count = 0;
for (int i = 0; i < buffers.length; i++) {
for (int j = offsets[i]; j < buffers[i].length(); j += strides[i]) {
put(count++, buffers[i].getDouble(j));
}
}
if (count != n)
throw new IllegalArgumentException("Strides and offsets didn't match up to length " + n);
}
@Override
public void assign(DataBuffer... buffers) {
int[] offsets = new int[buffers.length];
int[] strides = new int[buffers.length];
for (int i = 0; i < strides.length; i++) strides[i] = 1;
assign(offsets, strides, buffers);
}
@Override
public void destroy() {}
@Override
public boolean equals(Object o) {
if (o instanceof DataBuffer) {
DataBuffer d = (DataBuffer) o;
if (d.length() != length()) return false;
for (int i = 0; i < length(); i++) {
double eps = Math.abs(getDouble(i) - d.getDouble(i));
if (eps > Nd4j.EPS_THRESHOLD) return false;
}
}
return true;
}
private void readObject(ObjectInputStream s) {
doReadObject(s);
}
private void writeObject(java.io.ObjectOutputStream out) throws IOException {
out.defaultWriteObject();
write(out);
}
protected void doReadObject(ObjectInputStream s) {
try {
s.defaultReadObject();
read(s);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
protected void read(DataInputStream s) {
try {
ref = new WeakReference<DataBuffer>(this, Nd4j.bufferRefQueue());
referencing = Collections.synchronizedSet(new HashSet<String>());
dirty = new AtomicBoolean(false);
allocationMode = AllocationMode.valueOf(s.readUTF());
length = s.readInt();
Type t = Type.valueOf(s.readUTF());
if (t == Type.DOUBLE) {
if (allocationMode == AllocationMode.HEAP) {
if (this.dataType() == Type.FLOAT) { // DataBuffer type
// double -> float
floatData = new float[length()];
} else if (this.dataType() == Type.DOUBLE) {
// double -> double
doubleData = new double[length()];
} else {
// double -> int
intData = new int[length()];
}
for (int i = 0; i < length(); i++) {
put(i, s.readDouble());
}
} else {
wrappedBuffer = ByteBuffer.allocateDirect(length() * getElementSize());
wrappedBuffer.order(ByteOrder.nativeOrder());
for (int i = 0; i < length(); i++) {
put(i, s.readDouble());
}
}
} else {
if (allocationMode == AllocationMode.HEAP) {
if (this.dataType() == Type.FLOAT) { // DataBuffer type
// float -> float
floatData = new float[length()];
} else if (this.dataType() == Type.DOUBLE) {
// float -> double
doubleData = new double[length()];
} else {
// float-> int
intData = new int[length()];
}
for (int i = 0; i < length(); i++) {
put(i, s.readFloat());
}
} else {
wrappedBuffer = ByteBuffer.allocateDirect(length() * getElementSize());
wrappedBuffer.order(ByteOrder.nativeOrder());
for (int i = 0; i < length(); i++) {
put(i, s.readFloat());
}
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
protected void write(DataOutputStream out) throws IOException {
out.writeUTF(allocationMode.name());
out.writeInt(length());
out.writeUTF(dataType().name());
if (dataType() == Type.DOUBLE) {
for (int i = 0; i < length(); i++) out.writeDouble(getDouble(i));
} else {
for (int i = 0; i < length(); i++) out.writeFloat(getFloat(i));
}
}
@Override
public Object array() {
if (floatData != null) return floatData;
if (doubleData != null) return doubleData;
throw new UnsupportedOperationException();
}
@Override
public String toString() {
StringBuffer ret = new StringBuffer();
ret.append("[");
for (int i = 0; i < length(); i++) {
ret.append(getNumber(i));
if (i < length() - 1) ret.append(",");
}
ret.append("]");
return ret.toString();
}
@Override
public int hashCode() {
int result = length;
result = 31 * result + (referencing != null ? referencing.hashCode() : 0);
result = 31 * result + (ref != null ? ref.hashCode() : 0);
result = 31 * result + (isPersist ? 1 : 0);
result = 31 * result + (allocationMode != null ? allocationMode.hashCode() : 0);
return result;
}
}