content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  package org.apache.beam.sdk.extensions.euphoria.core.client.operator.base;
  
  import org.apache.beam.sdk.extensions.euphoria.core.annotation.audience.Audience;
  import org.apache.beam.sdk.extensions.euphoria.core.client.functional.UnaryFunction;
  
  /**
   * Class to be extended by operator builders that want to make use of `applyIf` call.
   *
   * @param <InBuilderT> the class of the builder that extends this class
   * @deprecated Use Java SDK directly, Euphoria is scheduled for removal in a future release.
   */
  @Audience(Audience.Type.INTERNAL)
  @Deprecated
  public interface OptionalMethodBuilder<
      InBuilderT extends OptionalMethodBuilder<InBuilderT, OutBuilderT>, OutBuilderT> {
  
    /**
     * Apply given modification to builder when condition evaluates to {@code true}.
     *
     * @param cond the condition
     * @param applyWhenConditionHolds the modification
     * @return next step builder
     */
    OutBuilderT applyIf(boolean cond, UnaryFunction<InBuilderT, OutBuilderT> applyWhenConditionHolds);
  
    /**
     * Apply given modifications to builder based on condition.
     *
     * @param cond the condition to evaluate
     * @param applyIfTrue modification to ap ply when {@code cond} evaluates to {@code true}
     * @param applyIfFalse modification to apply when {@code cond} evaluates to {@code false}
     * @return next step builder
     */
    @SuppressWarnings("unchecked")
    default OutBuilderT applyIf(
        boolean cond,
        UnaryFunction<InBuilderT, OutBuilderT> applyIfTrue,
        UnaryFunction<InBuilderT, OutBuilderT> applyIfFalse) {
  
      if (cond) {
        return applyIfTrue.apply((InBuilderT) this);
      }
      return applyIfFalse.apply((InBuilderT) this);
    }
  }
  