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package org.checkerframework.checker.lock.qual;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.checkerframework.framework.qual.InheritedAnnotation;
import org.checkerframework.framework.qual.PostconditionAnnotation;
/**
* Indicates that the given expressions are held if the method terminates successfully.
*
* @see EnsuresLockHeldIf
* @checker_framework.manual #lock-checker Lock Checker
* @checker_framework.manual #ensureslockheld-examples Example use of @EnsuresLockHeld
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
@PostconditionAnnotation(qualifier = LockHeld.class)
@InheritedAnnotation
@Repeatable(EnsuresLockHeld.List.class)
public @interface EnsuresLockHeld {
/**
* Returns Java expressions whose values are locks that are held after successful method
* termination.
*
* @return Java expressions whose values are locks that are held after successful method
* termination
* @see Syntax of
* Java expressions
*/
String[] value();
/**
* A wrapper annotation that makes the {@link EnsuresLockHeld} annotation repeatable.
*
* Programmers generally do not need to write this. It is created by Java when a programmer
* writes more than one {@link EnsuresLockHeld} annotation at the same location.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
@PostconditionAnnotation(qualifier = LockHeld.class)
@InheritedAnnotation
public static @interface List {
/**
* Return the repeatable annotations.
*
* @return the repeatable annotations
*/
EnsuresLockHeld[] value();
}
}