1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289
|
/* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
*
* This program and the accompanying materials are made available under
* the terms of the Common Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/cpl-v10.html
*
* $Id: MetaData.java,v 1.1.1.1.2.2 2004/07/16 23:32:29 vlad_r Exp $
*/
package com.vladium.emma.data;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import com.vladium.logging.Logger;
import com.vladium.util.asserts.$assert;
// ----------------------------------------------------------------------------
/*
* Average mem size/class entry: 6166 bytes [1.4.1, rt.jar], 5764 bytes [1.3.1, rt.jar]
*/
/**
* @author Vlad Roubtsov, (C) 2003
*/
final class MetaData implements IMetaData, Cloneable
{
// public: ................................................................
// TODO: MT-safety model
// TODO: no duplicate detection is done here at the moment
// [may require supporting fast lookup for already added descriptors]
public IMetaData shallowCopy ()
{
final MetaData _clone;
try
{
_clone = (MetaData) super.clone ();
}
catch (CloneNotSupportedException cnse)
{
throw new Error (cnse.toString ());
}
final HashMap _classMap;
synchronized (lock ())
{
_classMap = (HashMap) m_classMap.clone ();
}
// [m_packagesWarned is not cloned by design]
_clone.m_classMap = _classMap;
return _clone;
}
public CoverageOptions getOptions ()
{
return m_options;
}
public int size ()
{
return m_classMap.size ();
}
public boolean hasSrcFileData ()
{
return m_hasSrcFileInfo;
}
public boolean hasLineNumberData ()
{
return m_hasLineNumberInfo;
}
public Iterator iterator ()
{
return m_classMap.values ().iterator ();
}
// public boolean hasDescriptor (final ClassDescriptor cls)
// {
// if ($assert.ENABLED) $assert.ASSERT (cls != null, "cls is null");
//
// return m_classes.contains (cls);
// }
public boolean hasDescriptor (final String classVMName)
{
if ($assert.ENABLED) $assert.ASSERT (classVMName != null, "className is null");
return m_classMap.containsKey (classVMName);
}
public Object lock ()
{
return m_classMap;
}
public boolean add (final ClassDescriptor cls, final boolean overwrite)
{
if ($assert.ENABLED) $assert.ASSERT (cls != null, "cls is null");
final String classVMName = cls.getClassVMName ();
if (overwrite || ! m_classMap.containsKey (classVMName))
{
m_classMap.put (classVMName, cls);
boolean incompleteDebugInfo = false;
if (! cls.hasSrcFileInfo ())
{
m_hasSrcFileInfo = false;
incompleteDebugInfo = true;
}
if (! cls.hasCompleteLineNumberInfo ())
{
m_hasLineNumberInfo = false;
incompleteDebugInfo = true;
}
// SF FR 971176: provide user with sample classes that may later
// caused warnings about line coverage not available
if (incompleteDebugInfo)
{
final Logger log = Logger.getLogger ();
if (log.atINFO ())
{
final String packageVMName = cls.getPackageVMName ();
if (m_packagesWarned.add (packageVMName))
{
log.info ("package [" + packageVMName + "] contains classes [" + cls.getName () + "] without full debug info");
}
}
}
return true;
}
return false;
}
// IMergeable:
public boolean isEmpty ()
{
return m_classMap.isEmpty ();
}
/*
* note: rhs entries must override current entries
*/
public IMergeable merge (final IMergeable rhs)
{
if ((rhs == null) || rhs.isEmpty () || (rhs == this))
return this;
else
{
final MetaData rhsmdata = (MetaData) rhs; // TODO: redesign to avoid this cast?
final Map rhsclasses = rhsmdata.m_classMap;
// rhs entries always override existing content:
for (Iterator entries = rhsclasses.entrySet ().iterator (); entries.hasNext (); )
{
final Map.Entry entry = (Map.Entry) entries.next ();
final String classVMName = (String) entry.getKey ();
final Object rhsdescriptor = entry.getValue ();
m_classMap.put (classVMName, rhsdescriptor);
}
// update debug info flags if necessary:
if (! rhsmdata.hasSrcFileData ()) m_hasSrcFileInfo = false;
if (! rhsmdata.hasLineNumberData ()) m_hasLineNumberInfo = false;
return this;
}
}
// protected: .............................................................
// package: ...............................................................
MetaData (final CoverageOptions options)
{
if ($assert.ENABLED) $assert.ASSERT (options != null, "options is null");
m_options = options;
m_hasSrcFileInfo = true;
m_hasLineNumberInfo = true;
m_classMap = new HashMap ();
m_packagesWarned = new HashSet ();
}
static MetaData readExternal (final DataInput in)
throws IOException
{
final CoverageOptions options = CoverageOptions.readExternal (in);
final boolean hasSrcFileInfo = in.readBoolean ();
final boolean hasLineNumberInfo = in.readBoolean ();
final int size = in.readInt ();
final HashMap classMap = new HashMap (size);
for (int i = 0; i < size; ++ i)
{
final String classVMName = in.readUTF ();
final ClassDescriptor cls = ClassDescriptor.readExternal (in);
classMap.put (classVMName, cls);
}
// [m_packagesWarned is not part of persisted state]
return new MetaData (options, classMap, hasSrcFileInfo, hasLineNumberInfo);
}
static void writeExternal (final MetaData mdata, final DataOutput out)
throws IOException
{
CoverageOptions.writeExternal (mdata.m_options, out);
out.writeBoolean (mdata.m_hasSrcFileInfo);
out.writeBoolean (mdata.m_hasLineNumberInfo);
final Map classMap = mdata.m_classMap;
final int size = classMap.size ();
out.writeInt (size); // too bad the capacity is not visible
final Iterator entries = classMap.entrySet ().iterator ();
for (int i = 0; i < size; ++ i)
{
final Map.Entry entry = (Map.Entry) entries.next ();
final String classVMName = (String) entry.getKey ();
final ClassDescriptor cls = (ClassDescriptor) entry.getValue ();
out.writeUTF (classVMName);
ClassDescriptor.writeExternal (cls, out);
}
// [m_packagesWarned is not part of persisted state]
}
// private: ...............................................................
private MetaData (final CoverageOptions options, final HashMap classMap,
final boolean hasSrcFileInfo, final boolean hasLineNumberInfo)
{
if ($assert.ENABLED) $assert.ASSERT (options != null, "options is null");
m_options = options;
m_hasSrcFileInfo = hasSrcFileInfo;
m_hasLineNumberInfo = hasLineNumberInfo;
m_classMap = classMap;
}
private final CoverageOptions m_options; // [never null]
private boolean m_hasSrcFileInfo, m_hasLineNumberInfo;
private /*final*/ HashMap /* classVMName:String->ClassDescriptor */ m_classMap; // [never null]
private /*final*/ transient HashSet /* packageVMName:String */ m_packagesWarned; // [never null]
} // end of class
// ----------------------------------------------------------------------------
|