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Diffstat (limited to 'javax/annotation/processing/RoundEnvironment.java')
-rw-r--r-- | javax/annotation/processing/RoundEnvironment.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/javax/annotation/processing/RoundEnvironment.java b/javax/annotation/processing/RoundEnvironment.java new file mode 100644 index 000000000..3be899ac7 --- /dev/null +++ b/javax/annotation/processing/RoundEnvironment.java @@ -0,0 +1,120 @@ +/* RoundEnvironment.java -- Represents a round of annotation processing. + Copyright (C) 2012 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package javax.annotation.processing; + +import java.lang.annotation.Annotation; + +import java.util.Set; + +import javax.lang.model.element.Element; +import javax.lang.model.element.TypeElement; + +/** + * Provides information used in a round of annotation processing. + * Annotation processing frameworks should provide an implementation + * of this interface, so that processors can be supplied with an instance + * in order to query information about their environment. + * + * @author Andrew John Hughes (gnu_andrew@member.fsf.org) + * @since 1.6 + */ +public interface RoundEnvironment +{ + + /** + * Returns true if the previous round of annotation processing + * raised an error. + * + * @return true if the previous round raised an error. + */ + boolean errorRaised(); + + /** + * Returns the elements annotated with the given annotation type. + * Only the package and type elements, and their constituent + * member, parameter and type parameter elements, included in this + * round of annotation processing are returned. Both root type + * elements and any member type elements nested within them are + * included. The annotation may be used directly or inherited + * by another annotation. Elements in a package are not included + * simply because a package-info file was generated. + * + * @param annotation the annotation type requested. + * @return the elements annotated with the given annotation type + * or an empty set if none were found. + * @throws IllegalArgumentException if @code{annotation} does not + * represent an annotation type. + */ + Set<? extends Element> getElementsAnnotatedWith(Class <? extends Annotation> annotation); + + /** + * Returns the elements annotated with the given annotation type. + * Only the package and type elements, and their constituent + * member, parameter and type parameter elements, included in this + * round of annotation processing are returned. Both root type + * elements and any member type elements nested within them are + * included. The annotation may be used directly or inherited + * by another annotation. Elements in a package are not included + * simply because a package-info file was generated. + * + * @param annotation the annotation type requested. + * @return the elements annotated with the given annotation type + * or an empty set if none were found. + * @throws IllegalArgumentException if @code{annotation} does not + * represent an annotation type. + */ + Set<? extends Element> getElementsAnnotatedWith(TypeElement annotation); + + /** + * Returns the root elements generated by the previous round of + * annotation processing. + * + * @return the elements generated by the previous round or an + * empty set if none were generated. + */ + Set<? extends Element> getRootElements(); + + /** + * Returns true if there will not be another round of processing + * on the elements generated by this round. + * + * @return true if the generated types will not be further processed. + */ + boolean processingOver(); + +} |