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Groovy example source code file (Variable.java)

This example Groovy source code file (Variable.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

classnode, classnode, expression, expression, string, string, variable, variable

The Groovy Variable.java source code

/*
 * Copyright 2003-2010 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 org.codehaus.groovy.ast;

import org.codehaus.groovy.ast.expr.Expression;

/**
 * interface to mark a AstNode as Variable. Typically these are 
 * VariableExpression, FieldNode, PropertyNode and Parameter
 * 
 * @author Jochen Theodorou
 */
public interface Variable {
    
    /**
     * the type of the variable
     */
    ClassNode getType();
    
    /**
     * the type before wrapping primitives type of the variable
     */
    ClassNode getOriginType();
    
    /**
     * the name of the variable
     */
    String getName();
    
    /**
     * expression used to initialize the variable or null of there
     * is no initialization.
     */
    Expression getInitialExpression();
    
    /**
     * returns true if there is an initialization expression
     */
    boolean hasInitialExpression();
    
    /**
     * returns true if this variable is used in a static context.
     * A static context is any static initializer block, when this variable
     * is declared as static or when this variable is used in a static method 
     */
    boolean isInStaticContext();

    boolean isDynamicTyped();
    boolean isClosureSharedVariable();
    void setClosureSharedVariable(boolean inClosure);

    int getModifiers();
}

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