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.causeway.persistence.jdo.applib.types;
  
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  import org.springframework.core.annotation.AliasFor;
  
  import org.apache.causeway.applib.annotation.Optionality;
  import org.apache.causeway.applib.annotation.Parameter;
  import org.apache.causeway.applib.annotation.ParameterLayout;
  import org.apache.causeway.applib.annotation.Property;
  import org.apache.causeway.applib.annotation.PropertyLayout;
  
  /**
   * Meta-annotation for an optional {@link java.math.BigDecimal} property or parameter
   * representing a percentage amount.
   *
   * @since 2.0 {@index}
   */
  @Property(
          optionality = Optionality.OPTIONAL
  )
  @PropertyLayout(
  )
  @Parameter(
          optionality = Optionality.OPTIONAL
  )
  @ParameterLayout(
  )
  @jakarta.validation.constraints.Digits(
          integer = Percentage.INTEGER,
          fraction = Percentage.FRACTION
  )
  @javax.jdo.annotations.Column(allowsNull = "true", length = Percentage.INTEGER + Percentage.FRACTION, scale = Percentage.FRACTION)
  @Target({ ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER, ElementType.ANNOTATION_TYPE })
  @Retention(RetentionPolicy.RUNTIME)
  public @interface Percentage {
  
      @AliasFor( annotation = Property.class, attribute = "optionality")
      Optionality propertyOptionality() default Optionality.OPTIONAL;
      @AliasFor( annotation = Parameter.class, attribute = "optionality")
      Optionality parameterOptionality() default Optionality.OPTIONAL;
  
      @AliasFor( annotation = javax.jdo.annotations.Column.class, attribute = "allowsNull")
      String columnAllowsNull() default "true";
      @AliasFor( annotation = javax.jdo.annotations.Column.class, attribute = "length")
      int columnLength() default Percentage.INTEGER + Percentage.FRACTION;
      @AliasFor( annotation = javax.jdo.annotations.Column.class, attribute = "scale")
      int columnScale() default Percentage.FRACTION;
  
      int INTEGER = 3;
      @AliasFor( annotation = jakarta.validation.constraints.Digits.class, attribute = "integer")
      int digitsInteger() default Percentage.INTEGER;
  
      int FRACTION = 2;
      @AliasFor( annotation = jakarta.validation.constraints.Digits.class, attribute = "fraction")
      int digitsFraction() default Percentage.FRACTION;
  
  }
  