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comparison src/org/tmatesoft/hg/internal/RevlogStream.java @ 534:243202f1bda5

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Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 04 Feb 2013 18:00:55 +0100
parents 0f6fa88e2162
children dd4f6311af52
comparison
equal deleted inserted replaced
533:e6f72c9829a6 534:243202f1bda5
65 this.dataAccess = dap; 65 this.dataAccess = dap;
66 this.indexFile = indexFile; 66 this.indexFile = indexFile;
67 } 67 }
68 68
69 /*package*/ DataAccess getIndexStream() { 69 /*package*/ DataAccess getIndexStream() {
70 // TODO post 1.0 may supply a hint that I'll need really few bytes of data (perhaps, at some offset) 70 // FIXME post 1.0 must supply a hint that I'll need really few bytes of data (perhaps, at some offset)
71 // to avoid mmap files when only few bytes are to be read (i.e. #dataLength()) 71 // to avoid mmap files when only few bytes are to be read (i.e. #dataLength())
72 return dataAccess.create(indexFile); 72 return dataAccess.createReader(indexFile);
73 } 73 }
74 74
75 /*package*/ DataAccess getDataStream() { 75 /*package*/ DataAccess getDataStream() {
76 return dataAccess.create(getDataFile()); 76 return dataAccess.createReader(getDataFile());
77 }
78
79 /*package*/ DataSerializer getIndexStreamWriter() {
80 return dataAccess.createWriter(indexFile, true);
81 }
82
83 /*package*/ DataSerializer getDataStreamWriter() {
84 return dataAccess.createWriter(getDataFile(), true);
77 } 85 }
78 86
79 /** 87 /**
80 * Constructs file object that corresponds to .d revlog counterpart. 88 * Constructs file object that corresponds to .d revlog counterpart.
81 * Note, it's caller responsibility to ensure this file makes any sense (i.e. check {@link #inline} attribute) 89 * Note, it's caller responsibility to ensure this file makes any sense (i.e. check {@link #inline} attribute)
97 public HgInvalidControlFileException initWithDataFile(HgInvalidControlFileException ex) { 105 public HgInvalidControlFileException initWithDataFile(HgInvalidControlFileException ex) {
98 // exceptions are usually raised after read attepmt, hence inline shall be initialized 106 // exceptions are usually raised after read attepmt, hence inline shall be initialized
99 // although honest approach is to call #initOutline() first 107 // although honest approach is to call #initOutline() first
100 return ex.setFile(inline ? indexFile : getDataFile()); 108 return ex.setFile(inline ? indexFile : getDataFile());
101 } 109 }
102 110
111 /*package-private*/String getDataFileName() {
112 // XXX a temporary solution to provide more info to fill in exceptions other than
113 // HgInvalidControlFileException (those benefit from initWith* methods above)
114 //
115 // Besides, since RevlogStream represents both revlogs with user data (those with WC representative and
116 // system data under store/data) and system-only revlogs (like changelog and manifest), there's no
117 // easy way to supply human-friendly name of the active file (independent from whether it's index of data)
118 return inline ? indexFile.getPath() : getDataFile().getPath();
119 }
120
121 public boolean isInlineData() {
122 initOutline();
123 return inline;
124 }
103 125
104 public int revisionCount() { 126 public int revisionCount() {
105 initOutline(); 127 initOutline();
106 return baseRevisions.length; 128 return baseRevisions.length;
107 } 129 }