Spotless fixes.

pom.xml

@@ -47,7 +47,7 @@
     <maven.javadoc.skip>true</maven.javadoc.skip>
     <maven.source.skip>true</maven.source.skip>
     <gpg.skip>true</gpg.skip>
-    <spotless.version>2.38.0</spotless.version>
+    <spotless.version>2.43.0</spotless.version>
   </properties>
 
   <repositories>
@@ -564,7 +564,7 @@
           <lineEndings/>
           <java>
             <googleJavaFormat>
-              <version>1.17.0</version>
+              <version>1.20.0</version>
             </googleJavaFormat>
             <removeUnusedImports/>
           </java>

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/AbstractGradientAdapter.java

@@ -18,15 +18,14 @@
 
 import java.util.ArrayList;
 import java.util.List;
-
 import org.bytedeco.javacpp.Pointer;
 import org.bytedeco.javacpp.PointerPointer;
 import org.bytedeco.javacpp.PointerScope;
-import org.tensorflow.internal.c_api.TF_Operation;
-import org.tensorflow.internal.c_api.TF_Output;
-import org.tensorflow.internal.c_api.TFJ_Scope;
 import org.tensorflow.internal.c_api.TFJ_GradFuncAdapter;
 import org.tensorflow.internal.c_api.TFJ_GraphId;
+import org.tensorflow.internal.c_api.TFJ_Scope;
+import org.tensorflow.internal.c_api.TF_Operation;
+import org.tensorflow.internal.c_api.TF_Output;
 
 /** Helper base class for custom gradient adapters <b>INTERNAL USE ONLY</b> */
 public abstract class AbstractGradientAdapter extends TFJ_GradFuncAdapter {
@@ -35,10 +34,17 @@ protected AbstractGradientAdapter() {
     super();
   }
 
-  protected abstract List<Operand<?>> apply(Graph graph, TFJ_Scope scope, GraphOperation operation, List<Output<?>> gradInputs);
+  protected abstract List<Operand<?>> apply(
+      Graph graph, TFJ_Scope scope, GraphOperation operation, List<Output<?>> gradInputs);
 
   @Override
-  public int call(TFJ_GraphId nativeGraphId, TFJ_Scope nativeScope, TF_Operation nativeOperation, TF_Output nativeGradInputs, int nativeGradInputsLength, PointerPointer nativeGradOutputsPtr) {
+  public int call(
+      TFJ_GraphId nativeGraphId,
+      TFJ_Scope nativeScope,
+      TF_Operation nativeOperation,
+      TF_Output nativeGradInputs,
+      int nativeGradInputsLength,
+      PointerPointer nativeGradOutputsPtr) {
     try (PointerScope callScope = new PointerScope()) {
       var graph = Graph.findGraph(nativeGraphId);
       var operation = new GraphOperation(graph, nativeOperation);
@@ -67,7 +73,8 @@ private static List<Output<?>> fromNativeOutputs(Graph g, TF_Output nativeOutput
     List<Output<?>> outputs = new ArrayList<>(length);
     for (int i = 0; i < length; ++i) {
       var nativeOutput = nativeOutputs.position(i);
-      outputs.add(i, new Output<>(new GraphOperation(g, nativeOutput.oper()), nativeOutput.index()));
+      outputs.add(
+          i, new Output<>(new GraphOperation(g, nativeOutput.oper()), nativeOutput.index()));
     }
     return outputs;
   }
@@ -79,13 +86,15 @@ private static List<Output<?>> fromNativeOutputs(Graph g, TF_Output nativeOutput
    * @return pointer to the native array of outputs
    */
   private static TF_Output toNativeOutputs(List<Operand<?>> outputs) {
-    // Use malloc to allocate native outputs, as they will be freed by the native layer and we do not want JavaCPP to deallocate them
-    var nativeOutputs = new TF_Output(Pointer.malloc((long)outputs.size() * Pointer.sizeof(TF_Output.class)));
+    // Use malloc to allocate native outputs, as they will be freed by the native layer and we do
+    // not want JavaCPP to deallocate them
+    var nativeOutputs =
+        new TF_Output(Pointer.malloc((long) outputs.size() * Pointer.sizeof(TF_Output.class)));
 
     for (int i = 0; i < outputs.size(); ++i) {
       var output = outputs.get(i).asOutput();
       var nativeOutput = nativeOutputs.getPointer(i);
-      nativeOutput.oper(((GraphOperation)output.op()).getUnsafeNativeHandle());
+      nativeOutput.oper(((GraphOperation) output.op()).getUnsafeNativeHandle());
       nativeOutput.index(output.index());
     }
     return nativeOutputs;

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/Graph.java

@@ -15,6 +15,7 @@
 */
 package org.tensorflow;
 
+import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_GetGraphId;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_AddGradientsWithPrefix;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_DeleteGraph;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_FinishWhile;
@@ -28,7 +29,6 @@
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_ImportGraphDefOptionsSetPrefix;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_NewGraph;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_NewWhile;
-import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_GetGraphId;
 
 import com.google.protobuf.InvalidProtocolBufferException;
 import java.util.ArrayDeque;
@@ -50,6 +50,7 @@
 import org.bytedeco.javacpp.PointerScope;
 import org.bytedeco.javacpp.SizeTPointer;
 import org.tensorflow.exceptions.TensorFlowException;
+import org.tensorflow.internal.c_api.TFJ_GraphId;
 import org.tensorflow.internal.c_api.TF_Buffer;
 import org.tensorflow.internal.c_api.TF_Function;
 import org.tensorflow.internal.c_api.TF_Graph;
@@ -58,7 +59,6 @@
 import org.tensorflow.internal.c_api.TF_Output;
 import org.tensorflow.internal.c_api.TF_Status;
 import org.tensorflow.internal.c_api.TF_WhileParams;
-import org.tensorflow.internal.c_api.TFJ_GraphId;
 import org.tensorflow.ndarray.StdArrays;
 import org.tensorflow.op.Op;
 import org.tensorflow.op.OpScope;
@@ -1319,7 +1319,8 @@ private static SaverDef addVariableSaver(Graph graph) {
         .build();
   }
 
-  private static final Map<TFJ_GraphId, Graph> ALL_GRAPHS = Collections.synchronizedMap(new WeakHashMap<>());
+  private static final Map<TFJ_GraphId, Graph> ALL_GRAPHS =
+      Collections.synchronizedMap(new WeakHashMap<>());
 
   /**
    * Find the graph with the matching ID.

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/GraphOperationBuilder.java

@@ -15,6 +15,7 @@
 */
 package org.tensorflow;
 
+import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_UnmapOperationName;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_AddControlInput;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_AddInput;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_AddInputList;
@@ -39,7 +40,6 @@
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_SetAttrTypeList;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_SetAttrValueProto;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_SetDevice;
-import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_UnmapOperationName;
 
 import java.nio.charset.Charset;
 import java.util.Arrays;

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/Signature.java

@@ -39,6 +39,7 @@ public static class TensorDescription {
 
     /** The name of the tensor's operand in the graph */
     public final String name;
+
     /** The data type of the tensor */
     public final DataType dataType;
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/TensorFlow.java

@@ -15,37 +15,36 @@
 */
 package org.tensorflow;
 
+import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_HasGradient;
+import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_RegisterCustomGradient;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_DeleteBuffer;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_DeleteLibraryHandle;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_GetAllOpList;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_GetOpList;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_LoadLibrary;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_RegisterFilesystemPlugin;
 import static org.tensorflow.internal.c_api.global.tensorflow.TF_Version;
-import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_HasGradient;
-import static org.tensorflow.internal.c_api.global.tensorflow.TFJ_RegisterCustomGradient;
 
 import com.google.protobuf.InvalidProtocolBufferException;
+import java.util.Collections;
+import java.util.IdentityHashMap;
+import java.util.Locale;
+import java.util.Set;
+import java.util.stream.Collectors;
 import org.bytedeco.javacpp.PointerScope;
 import org.tensorflow.exceptions.TensorFlowException;
+import org.tensorflow.internal.c_api.TFJ_GradFuncAdapter;
+import org.tensorflow.internal.c_api.TFJ_RuntimeLibrary;
 import org.tensorflow.internal.c_api.TF_Buffer;
 import org.tensorflow.internal.c_api.TF_Library;
 import org.tensorflow.internal.c_api.TF_Status;
-import org.tensorflow.internal.c_api.TFJ_GradFuncAdapter;
-import org.tensorflow.internal.c_api.TFJ_RuntimeLibrary;
 import org.tensorflow.op.CustomGradient;
 import org.tensorflow.op.RawCustomGradient;
 import org.tensorflow.op.RawOpInputs;
 import org.tensorflow.op.annotation.OpInputsMetadata;
 import org.tensorflow.op.annotation.OpMetadata;
 import org.tensorflow.proto.OpList;
 
-import java.util.Collections;
-import java.util.IdentityHashMap;
-import java.util.Locale;
-import java.util.Set;
-import java.util.stream.Collectors;
-
 /** Static utility methods describing the TensorFlow runtime. */
 public final class TensorFlow {
 
@@ -199,7 +198,8 @@ static synchronized boolean hasGradient(String opType) {
    * @return {@code true} if the gradient was registered, {@code false} if there was already a
    *     gradient registered for this op
    */
-  public static synchronized boolean registerCustomGradient(String opType, RawCustomGradient gradient) {
+  public static synchronized boolean registerCustomGradient(
+      String opType, RawCustomGradient gradient) {
     if (isWindowsOs()) {
       throw new UnsupportedOperationException(
           "Custom gradient registration is not supported on Windows systems.");

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TBfloat16Mapper.java

@@ -30,8 +30,8 @@
 import org.tensorflow.types.TInt64;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_BFLOAT16} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_BFLOAT16} tensors to a n-dimensional data
+ * space.
  */
 public final class TBfloat16Mapper extends TensorMapper<TBfloat16> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TBoolMapper.java

@@ -29,8 +29,8 @@
 import org.tensorflow.types.TInt64;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_BOOL} tensors to a n-dimensional
- * data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_BOOL} tensors to a n-dimensional data
+ * space.
  */
 public final class TBoolMapper extends TensorMapper<TBool> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TFloat16Mapper.java

@@ -30,8 +30,8 @@
 import org.tensorflow.types.TInt64;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_HALF} tensors to a n-dimensional
- * data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_HALF} tensors to a n-dimensional data
+ * space.
  */
 public final class TFloat16Mapper extends TensorMapper<TFloat16> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TFloat32Mapper.java

@@ -29,8 +29,8 @@
 import org.tensorflow.types.TInt64;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_FLOAT} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_FLOAT} tensors to a n-dimensional data
+ * space.
  */
 public final class TFloat32Mapper extends TensorMapper<TFloat32> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TFloat64Mapper.java

@@ -29,8 +29,8 @@
 import org.tensorflow.types.TInt64;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_DOUBLE} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_DOUBLE} tensors to a n-dimensional data
+ * space.
  */
 public final class TFloat64Mapper extends TensorMapper<TFloat64> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TInt32Mapper.java

@@ -29,8 +29,8 @@
 import org.tensorflow.types.TInt64;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_INT32} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_INT32} tensors to a n-dimensional data
+ * space.
  */
 public final class TInt32Mapper extends TensorMapper<TInt32> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TInt64Mapper.java

@@ -28,8 +28,8 @@
 import org.tensorflow.types.TInt64;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_INT64} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_INT64} tensors to a n-dimensional data
+ * space.
  */
 public final class TInt64Mapper extends TensorMapper<TInt64> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TStringMapper.java

@@ -37,8 +37,8 @@
 import org.tensorflow.types.TString;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_STRING} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_STRING} tensors to a n-dimensional data
+ * space.
  */
 public final class TStringMapper extends TensorMapper<TString> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TUint16Mapper.java

@@ -29,8 +29,8 @@
 import org.tensorflow.types.TUint16;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_Uint16} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_Uint16} tensors to a n-dimensional data
+ * space.
  */
 public final class TUint16Mapper extends TensorMapper<TUint16> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/internal/types/TUint8Mapper.java

@@ -29,8 +29,8 @@
 import org.tensorflow.types.TUint8;
 
 /**
- * Maps memory of {@link org.tensorflow.proto.DataType#DT_UINT8} tensors to a
- * n-dimensional data space.
+ * Maps memory of {@link org.tensorflow.proto.DataType#DT_UINT8} tensors to a n-dimensional data
+ * space.
  */
 public final class TUint8Mapper extends TensorMapper<TUint8> {
 

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/op/CustomGradient.java

@@ -16,13 +16,12 @@
 */
 package org.tensorflow.op;
 
+import java.util.List;
 import org.tensorflow.Operand;
 import org.tensorflow.Output;
 import org.tensorflow.TensorFlow;
 import org.tensorflow.internal.c_api.TFJ_GradFuncAdapter;
 
-import java.util.List;
-
 /**
  * A custom gradient for ops of type {@link T}. Should be registered using {@link
  * TensorFlow#registerCustomGradient(Class, CustomGradient)}.
@@ -56,7 +55,8 @@ public interface CustomGradient<T extends RawOpInputs> {
    * <p>You should not be calling this yourself, use {@link TensorFlow#registerCustomGradient(Class,
    * CustomGradient)}.
    */
-  static <T extends RawOpInputs<?>> TFJ_GradFuncAdapter adapter(CustomGradient<T> gradient, Class<T> opClass) {
+  static <T extends RawOpInputs<?>> TFJ_GradFuncAdapter adapter(
+      CustomGradient<T> gradient, Class<T> opClass) {
     return new TypedGradientAdapter<T>(gradient, opClass);
   }
-}
+}

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/op/NativeScope.java

@@ -30,8 +30,8 @@
 import org.tensorflow.GraphOperation;
 import org.tensorflow.Operation;
 import org.tensorflow.OperationBuilder;
-import org.tensorflow.internal.c_api.TF_Operation;
 import org.tensorflow.internal.c_api.TFJ_Scope;
+import org.tensorflow.internal.c_api.TF_Operation;
 
 /** A {@link Scope} implementation backed by a native scope. */
 public final class NativeScope implements Scope {
@@ -87,7 +87,8 @@ public void refreshNames() {}
 
   @Override
   public Scope withControlDependencies(Iterable<Op> controls) {
-    return withControlDependencyOps(StreamSupport.stream(controls.spliterator(), false)
+    return withControlDependencyOps(
+        StreamSupport.stream(controls.spliterator(), false)
             .map(Op::op)
             .collect(Collectors.toList()));
   }

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/op/RawCustomGradient.java

@@ -56,4 +56,4 @@ public interface RawCustomGradient {
   static TFJ_GradFuncAdapter adapter(RawCustomGradient gradient) {
     return new RawGradientAdapter(gradient);
   }
-}
+}