Пример #1
0
 /** Initialize this index, assuming that it has not already been initialized. */
 public void initializeIndex() {
   synchronized (indexStore) {
     if (hasBeenInitialized) {
       return;
     }
     hasBeenInitialized = true;
     indexStore.clear();
     if (!initializeIndexFrom(getIndexFile())) {
       if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
         logIndexStats("Clearing index after failing to read from index file");
       }
       indexStore.clear();
       if (!initializeBundledLibraries()) {
         if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
           logIndexStats("Failed to initialize bundled libraries");
         }
         return;
       }
       if (!indexUserLibraries()) {
         if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
           logIndexStats("Clearing index after failing to index user libraries");
         }
         indexStore.clear();
         initializeBundledLibraries();
       }
     }
     if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
       logIndexStats("After initializing the index");
     }
   }
 }
Пример #2
0
 /**
  * Initialize this index to contain information about the bundled libraries. The index store is
  * expected to have been cleared before invoking this method.
  *
  * @return {@code true} if the bundled libraries were successfully indexed
  */
 private boolean initializeBundledLibraries() {
   synchronized (indexStore) {
     hasBeenInitialized = true;
     if (!initializeIndexFrom(getInitialIndexFile())) {
       if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
         logIndexStats("Clearing index after failing to read from initial index file");
       }
       indexStore.clear();
       if (!indexBundledLibraries()) {
         if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
           logIndexStats("Clearing index after failing to index bundled libraries");
         }
         indexStore.clear();
         return false;
       }
       // TODO(brianwilkerson) Restore the following line once we figure out how to know that the
       // bundled libraries (and only the bundled libraries) have been indexed.
       //        writeIndexTo(getInitialIndexFile());
     }
   }
   return true;
 }
Пример #3
0
 /** Write index statistics to the log. */
 public void logIndexStats(String message) {
   int relationshipCount;
   int attributeCount;
   int elementCount;
   int resourceCount;
   synchronized (indexStore) {
     relationshipCount = indexStore.getRelationshipCount();
     attributeCount = indexStore.getAttributeCount();
     elementCount = indexStore.getElementCount();
     resourceCount = indexStore.getResourceCount();
   }
   DartCore.logInformation(
       message
           + ": "
           + relationshipCount
           + " relationships and "
           + attributeCount
           + " attributes in "
           + elementCount
           + " elements in "
           + resourceCount
           + " resources");
 }
Пример #4
0
 /**
  * Initialize this index from the given file.
  *
  * @param indexFile the file from which this index is to be initialized
  * @return <code>true</code> if the index was correctly initialized
  */
 private boolean initializeIndexFrom(File indexFile) {
   if (indexFile == null) {
     if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
       DartCore.logInformation("Index file was null");
     }
     return false;
   } else if (!indexFile.exists()) {
     if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
       DartCore.logInformation("Index file " + indexFile.getAbsolutePath() + " does not exist");
     }
     return false;
   }
   if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
     DartCore.logInformation(
         "About to initialize the index from file "
             + indexFile.getAbsolutePath()
             + " (size = "
             + indexFile.getTotalSpace()
             + " bytes)");
   }
   try {
     boolean wasRead = readIndexFrom(indexFile);
     if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
       logIndexStats("After initializing the index from file " + indexFile.getAbsolutePath());
     }
     synchronized (indexStore) {
       return wasRead && indexStore.getResourceCount() > 0;
     }
   } catch (Exception exception) {
     DartCore.logError("Could not read index file " + indexFile.getAbsolutePath(), exception);
   }
   if (DartCoreDebug.TRACE_INDEX_STATISTICS) {
     logIndexStats("Deleting corrupted index file " + indexFile.getAbsolutePath());
   }
   try {
     indexFile.delete();
   } catch (Exception exception) {
     DartCore.logError(
         "Could not delete corrupt index file " + indexFile.getAbsolutePath(), exception);
   }
   return false;
 }
Пример #5
0
 /**
  * Write the contents of this index to the given output stream.
  *
  * @param output the output stream to which this index will be written
  * @throws IOException if the index could not be written to the given output stream
  */
 private void writeIndex(ObjectOutputStream output) throws IOException {
   IndexWriter writer = indexStore.createIndexWriter();
   writer.writeIndex(output);
 }
Пример #6
0
 /**
  * Read the contents of this index from the given input stream.
  *
  * @param input the input stream from which this index will be read
  * @return {@code true} if the file was correctly read
  * @throws IOException if the index could not be read from the given input stream
  */
 private boolean readIndex(ObjectInputStream input) throws IOException {
   IndexReader reader = indexStore.createIndexReader();
   return reader.readIndex(input);
 }
Пример #7
0
 /**
  * Return the number of relationships that are currently recorded in this index.
  *
  * @return the number of relationships that are currently recorded in this index
  */
 public int getRelationshipCount() {
   synchronized (indexStore) {
     return indexStore.getRelationshipCount();
   }
 }