org.spearce.egit.core/src/org/spearce/egit/core/internal/mapping/GitFileRevision.java

   1 /*
   2  *  Copyright (C) 2006  Robin Rosenberg
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License, version 2.1, as published by the Free Software Foundation.
   7  *
   8  *  This library is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  *  Lesser General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU Lesser General Public
  14  *  License along with this library; if not, write to the Free Software
  15  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  16  */
  17 package org.spearce.egit.core.internal.mapping;
  18
  19 import java.net.URI;
  20
  21 import org.eclipse.core.resources.IResource;
  22 import org.eclipse.core.runtime.CoreException;
  23 import org.eclipse.core.runtime.IProgressMonitor;
  24 import org.eclipse.team.core.history.IFileRevision;
  25 import org.eclipse.team.core.history.provider.FileRevision;
  26 import org.spearce.jgit.lib.ObjectId;
  27 import org.spearce.jgit.lib.TopologicalSorter;
  28
  29 /**
  30  * A Git related {@link IFileRevision}. It references a version
  31  * and a resource, i.e. the version we think corresponds to the
  32  * resource in specific version.
  33  */
  34 public abstract class GitFileRevision extends FileRevision {
  35
  36         private final IResource resource;
  37
  38         private final int count;
  39
  40         private TopologicalSorter<ObjectId>.Lane lane;
  41
  42         /**
  43          * Construct a {@link GitFileRevision}
  44          *
  45          * @param resource
  46          * @param count index into the full list of commits
  47          */
  48         public GitFileRevision(IResource resource, int count) {
  49                 this.count = count;
  50                 this.resource = resource;
  51         }
  52
  53         public String getName() {
  54                 return resource.toString();
  55         }
  56
  57         public boolean isPropertyMissing() {
  58                 return false;
  59         }
  60
  61         public IFileRevision withAllProperties(IProgressMonitor monitor)
  62                         throws CoreException {
  63                 return this;
  64         }
  65
  66         public URI getURI() {
  67                 return resource.getLocationURI();
  68         }
  69
  70         /**
  71          * @return the {@link IResource} the {@link IFileRevision} refers to.
  72          */
  73         public IResource getResource() {
  74                 return resource;
  75         }
  76
  77         /**
  78          * @deprecated
  79          * @return index into full list of versions
  80          */
  81         public int getCount() {
  82                 return count;
  83         }
  84
  85         /**
  86          * @return the swim lane assigned by the graph layout
  87          */
  88         public TopologicalSorter<ObjectId>.Lane getLane() {
  89                 return lane;
  90         }
  91
  92         /**
  93          * Set the swim where this revision is found. Invoked by the
  94          * graph layout.
  95          *
  96          * @param lane
  97          */
  98         public void setLane(TopologicalSorter<ObjectId>.Lane lane) {
  99                 this.lane = lane;
 100         }
 101
 102         /**
 103          * @return the ObjectId this IFileRevision refers to.
 104          */
 105         public ObjectId getCommitId() {
 106                 return null;
 107         }
 108
 109 }