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Java > Open Source Codes > org > eclipse > jdt > debug > core > IJavaMethodEntryBreakpoint


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.jdt.debug.core;
12
13  
14 import org.eclipse.core.runtime.CoreException;
15
16 /**
17  * A method entry breakpoint suspends execution on the first
18  * executable line of a method when entered. Entry breakpoints
19  * can only be installed in methods that have executable code (i.e.
20  * do not work in native methods).
21  * <p>
22  * This breakpoint provides a subset of the function provided by
23  * <code>IJavaMethodBreakpoint</code> - i.e. break on enter. The
24  * implementation of this breakpoint is more efficient than the
25  * general method breakpoint, as the implementation is based on line
26  * breakpoints and does not require method enter/exit tracing in the
27  * target VM.
28  * </p>
29  * <p>
30  * Clients are not intended to implement this interface.
31  * </p>
32  * @since 2.0
33  */
34 public interface IJavaMethodEntryBreakpoint extends IJavaLineBreakpoint {
35
36     /**
37      * Returns the name of the method this breakpoint suspends
38      * execution in.
39      *
40      * @return the name of the method this breakpoint suspends
41      * execution in
42      * @exception CoreException if unable to access the property from
43      * this breakpoint's underlying marker
44      */
45     public String JavaDoc getMethodName() throws CoreException;
46     
47     /**
48      * Returns the signature of the method this breakpoint suspends
49      * execution in.
50      *
51      * @return the signature of the method this breakpoint suspends
52      * execution in
53      * @exception CoreException if unable to access the property from
54      * this breakpoint's underlying marker
55      */
56     public String JavaDoc getMethodSignature() throws CoreException;
57         
58 }
59
60
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