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/*
* Copyright (C) 2009-2017 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Generates an implementation for the {@code toString} method inherited by all objects, consisting of printing the values of relevant fields.
* <p>
* Complete documentation is found at <a href="https://projectlombok.org/features/ToString">the project lombok features page for @ToString</a>.
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.SOURCE)
public @interface ToString {
/**
* Include the name of each field when printing it.
* <strong>default: true</strong>
*
* @return Whether or not to include the names of fields in the string produced by the generated {@code toString()}.
*/
boolean includeFieldNames() default true;
/**
* Any fields listed here will not be printed in the generated {@code toString} implementation.
* Mutually exclusive with {@link #of()}.
* <p>
* Will soon be marked {@code @Deprecated}; use the {@code @ToString.Exclude} annotation instead.
*
* @return A list of fields to exclude.
*/
String[] exclude() default {};
/**
* If present, explicitly lists the fields that are to be printed.
* Normally, all non-static fields are printed.
* <p>
* Mutually exclusive with {@link #exclude()}.
* <p>
* Will soon be marked {@code @Deprecated}; use the {@code @ToString.Only} annotation instead.
*
* @return A list of fields to use (<em>default</em>: all of them).
*/
String[] of() default {};
/**
* Include the result of the superclass's implementation of {@code toString} in the output.
* <strong>default: false</strong>
*
* @return Whether to call the superclass's {@code toString} implementation as part of the generated toString algorithm.
*/
boolean callSuper() default false;
/**
* Normally, if getters are available, those are called. To suppress this and let the generated code use the fields directly, set this to {@code true}.
* <strong>default: false</strong>
*
* @return If {@code true}, always use direct field access instead of calling the getter method.
*/
boolean doNotUseGetters() default false;
/**
* Only include fields and methods explicitly marked with {@code @ToString.Include}.
* Normally, all (non-static) fields are included by default.
*/
boolean onlyExplicitlyIncluded() default false;
/**
* If present, do not include this field in the generated {@code toString}.
*/
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.SOURCE)
public @interface Exclude {}
/**
* Configure the behaviour of how this member is rendered in the {@code toString}; if on a method, include the method's return value in the output.
*/
@Target({ElementType.FIELD, ElementType.METHOD})
@Retention(RetentionPolicy.SOURCE)
public @interface Include {
// /** If true and the return value is {@code null}, omit this member entirely from the {@code toString} output. */
// boolean skipNull() default false; // -- We'll add it later, it requires a complete rework on the toString code we generate.
/** Higher ranks are printed first. Members of the same rank are printed in the order they appear in the source file. */
int rank() default 0;
/** Defaults to the field / method name of the annotated member. If the name equals the name of a default-included field, this member takes its place. */
String name() default "";
}
}
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