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Groovy example source code file (Field.java)
The Groovy Field.java source code/* * Copyright 2008-2010 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package groovy.transform; import org.codehaus.groovy.transform.GroovyASTTransformationClass; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; /** * Variable annotation used for changing the scope of a variable within a script from * being within the run method of the script to being at the class level for the script. * <p> * The annotated variable will become a private field of the script class. * The type of the field will be the same as the type of the variable. Example usage: * <pre> * {@code @Field} List awe = [1, 2, 3] * def awesum() { awe.sum() } * assert awesum() == 6 * </pre> * In this example, without the annotation, variable <code>awe would be * a local script variable (technically speaking it will be a local variable within * the <code>run method of the script class). Such a local variable would * not be visible inside the <code>awesum method. With the annotation, * <code>awe becomes a private List field in the script class and is * visible within the <code>awesum method. * * @author Paul King * @since 1.8.0 */ @java.lang.annotation.Documented @Retention(RetentionPolicy.SOURCE) @Target({ElementType.LOCAL_VARIABLE}) @GroovyASTTransformationClass("org.codehaus.groovy.transform.FieldASTTransformation") public @interface Field { } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy Field.java source code file: |
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