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.options;
  
  import java.lang.annotation.Documented;
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  /**
   * {@link Default} represents a set of annotations that can be used to annotate getter properties on
   * {@link PipelineOptions} with information representing the default value to be returned if no
   * value is specified.
   */
  public @interface Default {
    /**
     * This represents that the default of the option is the specified {@link java.lang.Class} value.
     */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    public @interface Class {
      java.lang.Class<?> value();
    }
  
    /**
     * This represents that the default of the option is the specified {@link java.lang.String} value.
     */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface String {
      java.lang.String value();
    }
  
    /** This represents that the default of the option is the specified boolean primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Boolean {
      boolean value();
    }
  
    /** This represents that the default of the option is the specified char primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Character {
      char value();
    }
  
    /** This represents that the default of the option is the specified byte primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Byte {
      byte value();
    }
    /** This represents that the default of the option is the specified short primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Short {
      short value();
    }
    /** This represents that the default of the option is the specified int primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Integer {
      int value();
    }
  
    /** This represents that the default of the option is the specified long primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Long {
      long value();
    }
  
    /** This represents that the default of the option is the specified float primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Float {
      float value();
    }
  
    /** This represents that the default of the option is the specified double primitive value. */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Double {
      double value();
    }
  
    /**
     * This represents that the default of the option is the specified enum. The value should equal
     * the enum's {@link java.lang.Enum#name() name}.
     */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @SuppressWarnings("JavaLangClash")
    @interface Enum {
      java.lang.String value();
    }
  
    /**
     * Value must be of type {@link DefaultValueFactory} and have a default constructor. Value is
     * instantiated and then used as a factory to generate the default.
     *
     * <p>See {@link DefaultValueFactory} for more details.
     */
    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @interface InstanceFactory {
      java.lang.Class<? extends DefaultValueFactory<?>> value();
    }
  }
  