/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
=======================================================================*/

// This class has been generated, DO NOT EDIT!

package org.tensorflow.op.core;

import java.util.Arrays;
import org.tensorflow.GraphOperation;
import org.tensorflow.Operand;
import org.tensorflow.Operation;
import org.tensorflow.OperationBuilder;
import org.tensorflow.Output;
import org.tensorflow.op.Operands;
import org.tensorflow.op.RawOp;
import org.tensorflow.op.RawOpInputs;
import org.tensorflow.op.Scope;
import org.tensorflow.op.annotation.Endpoint;
import org.tensorflow.op.annotation.OpInputsMetadata;
import org.tensorflow.op.annotation.OpMetadata;
import org.tensorflow.op.annotation.Operator;
import org.tensorflow.proto.framework.DataType;
import org.tensorflow.types.family.TType;

/**
 * Creates a non-initialized hash table.
 * This op creates a hash table, specifying the type of its keys and values.
 * Before using the table you will have to initialize it.  After initialization the
 * table will be immutable.
 */
@OpMetadata(
    opType = HashTable.OP_NAME,
    inputsClass = HashTable.Inputs.class
)
@Operator
public final class HashTable extends RawOp implements Operand<TType> {
  /**
   * The name of this op, as known by TensorFlow core engine
   */
  public static final String OP_NAME = "HashTableV2";

  private Output<? extends TType> tableHandle;

  @SuppressWarnings("unchecked")
  public HashTable(Operation operation) {
    super(operation, OP_NAME);
    int outputIdx = 0;
    tableHandle = operation.output(outputIdx++);
  }

  /**
   * Factory method to create a class wrapping a new HashTableV2 operation.
   *
   * @param scope current scope
   * @param keyDtype Type of the table keys.
   * @param valueDtype Type of the table values.
   * @param options carries optional attribute values
   * @param <T> data type for {@code HashTableV2} output and operands
   * @param <U> data type for {@code HashTableV2} output and operands
   * @return a new instance of HashTable
   */
  @Endpoint(
      describeByClass = true
  )
  public static <T extends TType, U extends TType> HashTable create(Scope scope, Class<T> keyDtype,
      Class<U> valueDtype, Options... options) {
    OperationBuilder opBuilder = scope.opBuilder(OP_NAME, "HashTable");
    opBuilder.setAttr("key_dtype", Operands.toDataType(keyDtype));
    opBuilder.setAttr("value_dtype", Operands.toDataType(valueDtype));
    if (options != null) {
      for (Options opts : options) {
        if (opts.container != null) {
          opBuilder.setAttr("container", opts.container);
        }
        if (opts.sharedName != null) {
          opBuilder.setAttr("shared_name", opts.sharedName);
        }
        if (opts.useNodeNameSharing != null) {
          opBuilder.setAttr("use_node_name_sharing", opts.useNodeNameSharing);
        }
      }
    }
    return new HashTable(opBuilder.build());
  }

  /**
   * Sets the container option.
   *
   * @param container If non-empty, this table is placed in the given container.
   * Otherwise, a default container is used.
   * @return this Options instance.
   */
  public static Options container(String container) {
    return new Options().container(container);
  }

  /**
   * Sets the sharedName option.
   *
   * @param sharedName If non-empty, this table is shared under the given name across
   * multiple sessions.
   * @return this Options instance.
   */
  public static Options sharedName(String sharedName) {
    return new Options().sharedName(sharedName);
  }

  /**
   * Sets the useNodeNameSharing option.
   *
   * @param useNodeNameSharing If true and shared_name is empty, the table is shared
   * using the node name.
   * @return this Options instance.
   */
  public static Options useNodeNameSharing(Boolean useNodeNameSharing) {
    return new Options().useNodeNameSharing(useNodeNameSharing);
  }

  /**
   * Gets tableHandle.
   * Handle to a table.
   * @return tableHandle.
   */
  public Output<? extends TType> tableHandle() {
    return tableHandle;
  }

  @Override
  @SuppressWarnings("unchecked")
  public Output<TType> asOutput() {
    return (Output<TType>) tableHandle;
  }

  /**
   * Optional attributes for {@link org.tensorflow.op.core.HashTable}
   */
  public static class Options {
    private String container;

    private String sharedName;

    private Boolean useNodeNameSharing;

    private Options() {
    }

    /**
     * Sets the container option.
     *
     * @param container If non-empty, this table is placed in the given container.
     * Otherwise, a default container is used.
     * @return this Options instance.
     */
    public Options container(String container) {
      this.container = container;
      return this;
    }

    /**
     * Sets the sharedName option.
     *
     * @param sharedName If non-empty, this table is shared under the given name across
     * multiple sessions.
     * @return this Options instance.
     */
    public Options sharedName(String sharedName) {
      this.sharedName = sharedName;
      return this;
    }

    /**
     * Sets the useNodeNameSharing option.
     *
     * @param useNodeNameSharing If true and shared_name is empty, the table is shared
     * using the node name.
     * @return this Options instance.
     */
    public Options useNodeNameSharing(Boolean useNodeNameSharing) {
      this.useNodeNameSharing = useNodeNameSharing;
      return this;
    }
  }

  @OpInputsMetadata(
      outputsClass = HashTable.class
  )
  public static class Inputs extends RawOpInputs<HashTable> {
    /**
     * If non-empty, this table is placed in the given container.
     * Otherwise, a default container is used.
     */
    public final String container;

    /**
     * If non-empty, this table is shared under the given name across
     * multiple sessions.
     */
    public final String sharedName;

    /**
     * If true and shared_name is empty, the table is shared
     * using the node name.
     */
    public final boolean useNodeNameSharing;

    /**
     * Type of the table keys.
     */
    public final DataType keyDtype;

    /**
     * Type of the table values.
     */
    public final DataType valueDtype;

    public Inputs(GraphOperation op) {
      super(new HashTable(op), op, Arrays.asList("container", "shared_name", "use_node_name_sharing", "key_dtype", "value_dtype"));
      int inputIndex = 0;
      container = op.attributes().getAttrString("container");
      sharedName = op.attributes().getAttrString("shared_name");
      useNodeNameSharing = op.attributes().getAttrBool("use_node_name_sharing");
      keyDtype = op.attributes().getAttrType("key_dtype");
      valueDtype = op.attributes().getAttrType("value_dtype");
    }
  }
}
