src/main/java/ftbsc/lll/processor/annotations/Find.java


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package ftbsc.lll.processor.annotations;

import ftbsc.lll.proxies.impl.FieldProxy;
import ftbsc.lll.proxies.impl.MethodProxy;
import ftbsc.lll.proxies.impl.TypeProxy;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/**
 * Overrides the marked method in the Injector, having the
 * implementation return a built {@link MethodProxy} or
 * {@link FieldProxy} with the specified characteristics.
 * @since 0.4.0
 */
@Retention(RetentionPolicy.CLASS)
@java.lang.annotation.Target(ElementType.FIELD)
public @interface Find {
   /**
    * @return the {@link Class} object containing the target, or the
    * {@link Object} class if not specified (the annotation's parent
    * class is instead used).
    * @since 0.5.0
    */
   Class<?> value() default Object.class;

   /**
    * For a {@link TypeProxy}, this refers to the target itself rather than its parent.
    * @return the name of the inner class that contains the target, defaults to empty
    *         string (not an inner class)
    * @see Patch#inner() for details
    * @since 0.5.0
    */
   String[] inner() default {};

   /**
    * For a {@link FieldProxy}, this is the name of the field to find. If omitted,
    * it will fall back on the name of the annotated field.
    * For a {@link MethodProxy} it indicates an attempt to match by name only, with
    * this name. This will issue a warning unless warnings are disabled. It will fail
    * and throw an exception if multiple methods with that name are found in the
    * relevant class. It is generally recommended that you use a {@link Target} stub
    * for methods, as this can lead to unpredictable behaviour at runtime.
    * It will have no effect on a {@link TypeProxy}.
    * @return the name of the target, will default to the empty string (the name of
    *         the annotated method will instead be used).
    * @since 0.5.0
    */
   String name() default "";

   /**
    * This overrules a field type. Only to be used in the case (such as in fields of
    * anonymous classes) of fields whose parents cannot be reached at processing time.
    * @return a {@link Class} representing the type.
    */
   Class<?> type() default Object.class;

   /**
    * This is to be used in cases where private inner classes are used as parameters.
    * @return the inner class name to be used with {@link #type()}
    * @see Patch#inner() for details
    */
   String[] typeInner() default {};
}