Code changes to add PluggableDevice support for Inference (#605)

* Code changes to add PluggableDevice support for Inference

Enable TF_LoadPluggableDeviceLibrary API for PluggableDevices

Signed-off-by: rjauhari2 <[email protected]>

* Add genrated code from c_api_experimental.h

* Add JavaCPP files to build TF-Java.

 - Add TF_AttrBuilder, TF_ShapeAndTypeList, TF_CheckpointReader classes.

* Add Windows stub for missing TFE_GetServerDef symbol

* Add Windows stub in seperate file.

* Add header file for windows stub to enable pluggable device support.

---------

Signed-off-by: rjauhari2 <[email protected]>

Author: rjauhari2

tensorflow-core/tensorflow-core-native/src/gen/java/org/tensorflow/internal/c_api/TF_AttrBuilder.java

@@ -0,0 +1,21 @@
+// Targeted by JavaCPP version 1.5.10: DO NOT EDIT THIS FILE
+
+package org.tensorflow.internal.c_api;
+
+import java.nio.*;
+import org.bytedeco.javacpp.*;
+import org.bytedeco.javacpp.annotation.*;
+
+import static org.tensorflow.internal.c_api.global.tensorflow.*;
+
+
+// TF_NewAttrBuilder() returns an object that you can set attributes on as
+// though it were an op. This allows querying properties of that op for
+// type-checking purposes like if the op will run on a particular device type.
+@Opaque @Properties(inherit = org.tensorflow.internal.c_api.presets.tensorflow.class)
+public class TF_AttrBuilder extends Pointer {
+    /** Empty constructor. Calls {@code super((Pointer)null)}. */
+    public TF_AttrBuilder() { super((Pointer)null); }
+    /** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
+    public TF_AttrBuilder(Pointer p) { super(p); }
+}

tensorflow-core/tensorflow-core-native/src/gen/java/org/tensorflow/internal/c_api/TF_CheckpointReader.java

@@ -0,0 +1,20 @@
+// Targeted by JavaCPP version 1.5.10: DO NOT EDIT THIS FILE
+
+package org.tensorflow.internal.c_api;
+
+import java.nio.*;
+import org.bytedeco.javacpp.*;
+import org.bytedeco.javacpp.annotation.*;
+
+import static org.tensorflow.internal.c_api.global.tensorflow.*;
+
+
+// TF_NewCheckpointReader() return the CheckpointReader that can be use to
+// investigate or load the variable from the checkpoint file
+@Opaque @Properties(inherit = org.tensorflow.internal.c_api.presets.tensorflow.class)
+public class TF_CheckpointReader extends Pointer {
+    /** Empty constructor. Calls {@code super((Pointer)null)}. */
+    public TF_CheckpointReader() { super((Pointer)null); }
+    /** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
+    public TF_CheckpointReader(Pointer p) { super(p); }
+}

tensorflow-core/tensorflow-core-native/src/gen/java/org/tensorflow/internal/c_api/TF_ShapeAndType.java

@@ -0,0 +1,37 @@
+// Targeted by JavaCPP version 1.5.10: DO NOT EDIT THIS FILE
+
+package org.tensorflow.internal.c_api;
+
+import java.nio.*;
+import org.bytedeco.javacpp.*;
+import org.bytedeco.javacpp.annotation.*;
+
+import static org.tensorflow.internal.c_api.global.tensorflow.*;
+
+
+// Information about the shape of a Tensor and its type.
+@Properties(inherit = org.tensorflow.internal.c_api.presets.tensorflow.class)
+public class TF_ShapeAndType extends Pointer {
+    static { Loader.load(); }
+    /** Default native constructor. */
+    public TF_ShapeAndType() { super((Pointer)null); allocate(); }
+    /** Native array allocator. Access with {@link Pointer#position(long)}. */
+    public TF_ShapeAndType(long size) { super((Pointer)null); allocateArray(size); }
+    /** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
+    public TF_ShapeAndType(Pointer p) { super(p); }
+    private native void allocate();
+    private native void allocateArray(long size);
+    @Override public TF_ShapeAndType position(long position) {
+        return (TF_ShapeAndType)super.position(position);
+    }
+    @Override public TF_ShapeAndType getPointer(long i) {
+        return new TF_ShapeAndType((Pointer)this).offsetAddress(i);
+    }
+
+  // Number of dimensions. -1 indicates unknown rank.
+  public native int num_dims(); public native TF_ShapeAndType num_dims(int setter);
+  // Array of dimensions. -1 indicates unknown dim.
+  public native @Cast("int64_t*") LongPointer dims(); public native TF_ShapeAndType dims(LongPointer setter);
+  // The data type. May be 0 to denote unknown type.
+  public native @Cast("TF_DataType") int dtype(); public native TF_ShapeAndType dtype(int setter);
+}

tensorflow-core/tensorflow-core-native/src/gen/java/org/tensorflow/internal/c_api/TF_ShapeAndTypeList.java

@@ -0,0 +1,33 @@
+// Targeted by JavaCPP version 1.5.10: DO NOT EDIT THIS FILE
+
+package org.tensorflow.internal.c_api;
+
+import java.nio.*;
+import org.bytedeco.javacpp.*;
+import org.bytedeco.javacpp.annotation.*;
+
+import static org.tensorflow.internal.c_api.global.tensorflow.*;
+
+
+// A list of TF_ShapeAndType elements..
+@Properties(inherit = org.tensorflow.internal.c_api.presets.tensorflow.class)
+public class TF_ShapeAndTypeList extends Pointer {
+    static { Loader.load(); }
+    /** Default native constructor. */
+    public TF_ShapeAndTypeList() { super((Pointer)null); allocate(); }
+    /** Native array allocator. Access with {@link Pointer#position(long)}. */
+    public TF_ShapeAndTypeList(long size) { super((Pointer)null); allocateArray(size); }
+    /** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
+    public TF_ShapeAndTypeList(Pointer p) { super(p); }
+    private native void allocate();
+    private native void allocateArray(long size);
+    @Override public TF_ShapeAndTypeList position(long position) {
+        return (TF_ShapeAndTypeList)super.position(position);
+    }
+    @Override public TF_ShapeAndTypeList getPointer(long i) {
+        return new TF_ShapeAndTypeList((Pointer)this).offsetAddress(i);
+    }
+
+  public native int num_items(); public native TF_ShapeAndTypeList num_items(int setter);
+  public native TF_ShapeAndType items(); public native TF_ShapeAndTypeList items(TF_ShapeAndType setter);
+}