1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     4 

     5 package org.chromium.debug.core.model;

     6 

     7 import java.util.HashMap;

     8 import java.util.Map;

     9 

    10 import org.chromium.sdk.Breakpoint;

    11 

    12 /**

    13  * TODO(peter.rybin): this class is obsolete, it only holds useful inner class;

    14  * consider removing this class.

    15  */

    16 public class BreakpointMap {

    17 

    18   /**

    19    * A one-to-one map between SDK and UI breakpoints inside one debug target.

    20    */

    21   public static class InTargetMap {

    22     private final Map<Breakpoint, ChromiumLineBreakpoint> sdkToUiMap =

    23         new HashMap<Breakpoint, ChromiumLineBreakpoint>();

    24     private final Map<ChromiumLineBreakpoint, Breakpoint> uiToSdkMap =

    25       new HashMap<ChromiumLineBreakpoint, Breakpoint>();

    26 

    27     public InTargetMap() {

    28     }

    29 

    30     public synchronized Breakpoint getSdkBreakpoint(ChromiumLineBreakpoint chromiumLineBreakpoint) {

    31       return uiToSdkMap.get(chromiumLineBreakpoint);

    32     }

    33 

    34     public synchronized ChromiumLineBreakpoint getUiBreakpoint(Breakpoint sdkBreakpoint) {

    35       return sdkToUiMap.get(sdkBreakpoint);

    36     }

    37 

    38     public synchronized void add(Breakpoint sdkBreakpoint, ChromiumLineBreakpoint uiBreakpoint) {

    39       Object conflict1 = uiToSdkMap.put(uiBreakpoint, sdkBreakpoint);

    40       Object conflict2 = sdkToUiMap.put(sdkBreakpoint, uiBreakpoint);

    41       if (conflict1 != null || conflict2 != null) {

    42         throw new RuntimeException();

    43       }

    44     }

    45 

    46     public synchronized void remove(ChromiumLineBreakpoint lineBreakpoint) {

    47       Breakpoint sdkBreakpoint = uiToSdkMap.remove(lineBreakpoint);

    48       if (sdkBreakpoint == null) {

    49         throw new RuntimeException();

    50       }

    51       sdkToUiMap.remove(sdkBreakpoint);

    52     }

    53 

    54     public synchronized void clear() {

    55       sdkToUiMap.clear();

    56       uiToSdkMap.clear();

    57     }

    58   }

    59 }