org.checkerframework.framework.qual.IgnoreInWholeProgramInference Maven / Gradle / Ivy
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package org.checkerframework.framework.qual;
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;
/**
* This annotation can be used two ways:
*
* 1. As a meta-annotation indicating that an annotation type prevents whole-program inference.
* For example, if the definition of {@code @Inject} is meta-annotated with
* {@code @IgnoreInWholeProgramInference}:
* @IgnoreInWholeProgramInference
* @interface Inject {}
* then no type qualifier will be inferred for any field annotated by {@code @Inject}.
*
*
This is appropriate for fields that are set reflectively, so there are no calls in client code
* that type inference can learn from. Examples of qualifiers that should be meta-annotated with
* {@code @IgnoreInWholeProgramInference} include {@code @Inject}, {@code @Singleton},
* and {@code @Option}.
*
*
2. As a field annotation indicating that no type qualifier will be inferred for the field it
* annotates.
*
* @see
* org.checkerframework.common.wholeprograminference.WholeProgramInferenceScenes#updateInferredFieldType
* @checker_framework.manual #whole-program-inference-ignores-some-code Whole-program inference
* ignores some code
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.ANNOTATION_TYPE, ElementType.FIELD})
public @interface IgnoreInWholeProgramInference {}