jdk8-mips64-public/langtools: src/share/classes/javax/lang/model/element/ExecutableElement.java@9d9f26857129

     1 /*

     2  * Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package javax.lang.model.element;

    28 import java.util.List;

    29 import javax.lang.model.util.Types;

    30 import javax.lang.model.type.*;

    32 /**

    33  * Represents a method, constructor, or initializer (static or

    34  * instance) of a class or interface, including annotation type

    35  * elements.

    36  *

    37  * @author Joseph D. Darcy

    38  * @author Scott Seligman

    39  * @author Peter von der Ah&eacute;

    40  * @see ExecutableType

    41  * @since 1.6

    42  */

    43 public interface ExecutableElement extends Element, Parameterizable {

    44     /**

    45      * Returns the formal type parameters of this executable

    46      * in declaration order.

    47      *

    48      * @return the formal type parameters, or an empty list

    49      * if there are none

    50      */

    51     List<? extends TypeParameterElement> getTypeParameters();

    53     /**

    54      * Returns the return type of this executable.

    55      * Returns a {@link NoType} with kind {@link TypeKind#VOID VOID}

    56      * if this executable is not a method, or is a method that does not

    57      * return a value.

    58      *

    59      * @return the return type of this executable

    60      */

    61     TypeMirror getReturnType();

    63     /**

    64      * Returns the formal parameters of this executable.

    65      * They are returned in declaration order.

    66      *

    67      * @return the formal parameters,

    68      * or an empty list if there are none

    69      */

    70     List<? extends VariableElement> getParameters();

    72     /**

    73      * Returns {@code true} if this method or constructor accepts a variable

    74      * number of arguments and returns {@code false} otherwise.

    75      *

    76      * @return {@code true} if this method or constructor accepts a variable

    77      * number of arguments and {@code false} otherwise

    78      */

    79     boolean isVarArgs();

    81     /**

    82      * Returns the exceptions and other throwables listed in this

    83      * method or constructor's {@code throws} clause in declaration

    84      * order.

    85      *

    86      * @return the exceptions and other throwables listed in the

    87      * {@code throws} clause, or an empty list if there are none

    88      */

    89     List<? extends TypeMirror> getThrownTypes();

    91     /**

    92      * Returns the default value if this executable is an annotation

    93      * type element.  Returns {@code null} if this method is not an

    94      * annotation type element, or if it is an annotation type element

    95      * with no default value.

    96      *

    97      * @return the default value, or {@code null} if none

    98      */

    99     AnnotationValue getDefaultValue();

   100 }

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