LambdaExpressionTree.java revision 2571:10fc81ac75b4 
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14 * version 2 for more details (a copy is included in the LICENSE file that
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25
26package com.sun.source.tree;
27
28import java.util.List;
29
30/**
31 * A tree node for a lambda expression.
32 *
33 * For example:
34 * <pre>{@code
35 *   ()->{}
36 *   (List<String> ls)->ls.size()
37 *   (x,y)-> { return x + y; }
38 * }</pre>
39 */
40@jdk.Exported
41public interface LambdaExpressionTree extends ExpressionTree {
42
43    /**
44     * Lambda expressions come in two forms:
45     * <ul compact>
46     * <li> expression lambdas, whose body is an expression, and
47     * <li> statement lambdas, whose body is a block
48     * </ul>
49     */
50    @jdk.Exported
51    public enum BodyKind {
52        /** enum constant for expression lambdas */
53        EXPRESSION,
54        /** enum constant for statement lambdas */
55        STATEMENT
56    }
57
58    /**
59     * Returns the parameters of this lambda expression.
60     * @return the parameters
61     */
62    List<? extends VariableTree> getParameters();
63
64    /**
65     * Returns the body of the lambda expression.
66     * @return the body
67     */
68    Tree getBody();
69
70    /**
71     * Returns the kind of the body of the lambda expression.
72     * @return the kind of the body
73     */
74    BodyKind getBodyKind();
75}
76