Example usage for org.eclipse.jdt.internal.core.index Index getIndexFile

List of usage examples for org.eclipse.jdt.internal.core.index Index getIndexFile

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Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core.index Index getIndexFile.

Prototype

public File getIndexFile()

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.search.indexing.IndexManager.java

License:Open Source License

/**
 * Returns all the existing indexes for a list of index locations.
 * Note that this may trigger some indexes recreation work
 *
 * @param locations//www .j a  v a 2s .co  m
 *         The list of of the index files path
 * @return The corresponding indexes list.
 */
public Index[] getIndexes(IndexLocation[] locations, IProgressMonitor progressMonitor) {
    // acquire the in-memory indexes on the fly
    int length = locations.length;
    Index[] locatedIndexes = new Index[length];
    int count = 0;
    if (this.javaLikeNamesChanged) {
        this.javaLikeNamesChanged = hasJavaLikeNamesChanged();
    }
    for (int i = 0; i < length; i++) {
        if (progressMonitor != null && progressMonitor.isCanceled()) {
            throw new OperationCanceledException();
        }
        // may trigger some index recreation work
        IndexLocation indexLocation = locations[i];
        Index index = getIndex(indexLocation);
        if (index == null) {
            // only need containerPath if the index must be built
            IPath containerPath = (IPath) this.indexLocations.keyForValue(indexLocation);
            if (containerPath != null) {// sanity check
                index = getIndex(containerPath, indexLocation, true /*reuse index file*/,
                        false /*do not create if none*/);
                if (index != null && this.javaLikeNamesChanged && !index.isIndexForJar()) {
                    // When a change in java like names extension has been detected, all
                    // non jar files indexes (i.e. containing sources) need to be rebuilt.
                    // see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=286379
                    File indexFile = index.getIndexFile();
                    if (indexFile.exists()) {
                        if (DEBUG)
                            Util.verbose("Change in javaLikeNames - removing index file for " + containerPath); //$NON-NLS-1$
                        indexFile.delete();
                    }
                    this.indexes.put(indexLocation, null);
                    rebuildIndex(indexLocation, containerPath);
                    index = null;
                }
            } else {
                if (indexLocation.isParticipantIndex() && indexLocation.exists()) { // the index belongs to non-jdt search participant
                    try {
                        IPath container = getParticipantsContainer(indexLocation);
                        if (container != null) {
                            index = new Index(indexLocation, container.toOSString(), true /*reuse index file*/);
                            this.indexes.put(indexLocation, index);
                        }
                    } catch (IOException e) {
                        // ignore
                    }
                }
            }
        }
        if (index != null)
            locatedIndexes[count++] = index; // only consider indexes which are ready
    }
    if (this.javaLikeNamesChanged) {
        writeJavaLikeNamesFile();
        this.javaLikeNamesChanged = false;
    }
    if (count < length) {
        System.arraycopy(locatedIndexes, 0, locatedIndexes = new Index[count], 0, count);
    }
    return locatedIndexes;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.search.indexing.IndexManager.java

License:Open Source License

/**
 * Removes the index for a given path.//  ww  w .j  a va  2s . c om
 * This is a no-op if the index did not exist.
 */
public synchronized void removeIndex(IPath containerPath) {
    if (VERBOSE || DEBUG)
        Util.verbose("removing index " + containerPath); //$NON-NLS-1$
    IndexLocation indexLocation = computeIndexLocation(containerPath);
    Index index = getIndex(indexLocation);
    File indexFile = null;
    if (index != null) {
        index.monitor = null;
        indexFile = index.getIndexFile();
    }
    if (indexFile == null)
        indexFile = indexLocation.getIndexFile(); // index is not cached yet, but still want to delete the file
    if (this.indexStates.get(indexLocation) == REUSE_STATE) {
        indexLocation.close();
        this.indexLocations.put(containerPath, null);
    } else if (indexFile != null && indexFile.exists()) {
        if (DEBUG)
            Util.verbose("removing index file " + indexFile); //$NON-NLS-1$
        indexFile.delete();
    }
    this.indexes.removeKey(indexLocation);
    if (IS_MANAGING_PRODUCT_INDEXES_PROPERTY) {
        this.indexLocations.removeKey(containerPath);
    }
    updateIndexState(indexLocation, null);
}

From source file:org.eclipse.jdt.internal.core.search.indexing.IndexManager.java

License:Open Source License

/**
 * Returns all the existing indexes for a list of index locations.
 * Note that this may trigger some indexes recreation work
 *
 * @param locations The list of of the index files path
 * @return The corresponding indexes list.
 *///  w  w w .  j a  v  a  2s .  c  o m
public Index[] getIndexes(IPath[] locations, IProgressMonitor progressMonitor) {
    // acquire the in-memory indexes on the fly
    int length = locations.length;
    Index[] locatedIndexes = new Index[length];
    int count = 0;
    if (this.javaLikeNamesChanged) {
        this.javaLikeNamesChanged = hasJavaLikeNamesChanged();
    }
    for (int i = 0; i < length; i++) {
        if (progressMonitor != null && progressMonitor.isCanceled()) {
            throw new OperationCanceledException();
        }
        // may trigger some index recreation work
        IPath indexLocation = locations[i];
        Index index = getIndex(indexLocation);
        if (index == null) {
            // only need containerPath if the index must be built
            IPath containerPath = (IPath) this.indexLocations.keyForValue(indexLocation);
            if (containerPath != null) {// sanity check
                index = getIndex(containerPath, indexLocation, true /*reuse index file*/,
                        false /*do not create if none*/);
                if (index != null && this.javaLikeNamesChanged && !index.isIndexForJar()) {
                    // When a change in java like names extension has been detected, all
                    // non jar files indexes (i.e. containing sources) need to be rebuilt.
                    // see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=286379
                    File indexFile = index.getIndexFile();
                    if (indexFile.exists()) {
                        if (DEBUG)
                            Util.verbose("Change in javaLikeNames - removing index file for " + containerPath); //$NON-NLS-1$
                        indexFile.delete();
                    }
                    this.indexes.put(indexLocation, null);
                    rebuildIndex(indexLocation, containerPath);
                    index = null;
                }
            } else {
                if (!getJavaPluginWorkingLocation().isPrefixOf(indexLocation)) { // the index belongs to non-jdt search participant
                    if (indexLocation.toFile().exists()) {
                        try {
                            IPath container = getParticipantsContainer(indexLocation);
                            if (container != null) {
                                index = new Index(indexLocation.toOSString(), container.toOSString(),
                                        true /*reuse index file*/);
                                this.indexes.put(indexLocation, index);
                            }
                        } catch (IOException e) {
                            // ignore
                        }
                    }
                }
            }
        }
        if (index != null)
            locatedIndexes[count++] = index; // only consider indexes which are ready
    }
    if (this.javaLikeNamesChanged) {
        writeJavaLikeNamesFile();
        this.javaLikeNamesChanged = false;
    }
    if (count < length) {
        System.arraycopy(locatedIndexes, 0, locatedIndexes = new Index[count], 0, count);
    }
    return locatedIndexes;
}

From source file:org.eclipse.jdt.internal.core.search.indexing.IndexManager.java

License:Open Source License

/**
 * Removes the index for a given path./*from  w  w w .  j a  va 2  s.c  o m*/
 * This is a no-op if the index did not exist.
 */
public synchronized void removeIndex(IPath containerPath) {
    if (VERBOSE || DEBUG)
        Util.verbose("removing index " + containerPath); //$NON-NLS-1$
    IPath indexLocation = computeIndexLocation(containerPath);
    Index index = getIndex(indexLocation);
    File indexFile = null;
    if (index != null) {
        index.monitor = null;
        indexFile = index.getIndexFile();
    }
    if (indexFile == null)
        indexFile = new File(indexLocation.toOSString()); // index is not cached yet, but still want to delete the file
    if (indexFile.exists()) {
        if (DEBUG)
            Util.verbose("removing index file " + indexFile); //$NON-NLS-1$
        indexFile.delete();
    }
    this.indexes.removeKey(indexLocation);
    updateIndexState(indexLocation, null);
}

From source file:org.eclipse.jdt.internal.core.search.indexing.IndexManager.java

License:Open Source License

/**
 * Removes all indexes whose paths start with (or are equal to) the given path.
 *//*  w  ww  .j  a va  2 s .c o  m*/
public synchronized void removeIndexPath(IPath path) {
    if (VERBOSE || DEBUG)
        Util.verbose("removing index path " + path); //$NON-NLS-1$
    Object[] keyTable = this.indexes.keyTable;
    Object[] valueTable = this.indexes.valueTable;
    IPath[] locations = null;
    int max = this.indexes.elementSize;
    int count = 0;
    for (int i = 0, l = keyTable.length; i < l; i++) {
        IPath indexLocation = (IPath) keyTable[i];
        if (indexLocation == null)
            continue;
        if (path.isPrefixOf(indexLocation)) {
            Index index = (Index) valueTable[i];
            index.monitor = null;
            if (locations == null)
                locations = new IPath[max];
            locations[count++] = indexLocation;
            File indexFile = index.getIndexFile();
            if (indexFile.exists()) {
                if (DEBUG)
                    Util.verbose("removing index file " + indexFile); //$NON-NLS-1$
                indexFile.delete();
            }
        } else {
            max--;
        }
    }
    if (locations != null) {
        for (int i = 0; i < count; i++)
            this.indexes.removeKey(locations[i]);
        removeIndexesState(locations);
        if (this.participantsContainers != null && this.participantsContainers.get(path.toOSString()) != null) {
            this.participantsContainers.removeKey(path.toOSString());
            writeParticipantsIndexNamesFile();
        }
    }
}

From source file:org.eclipse.jdt.internal.core.search.indexing.IndexManager.java

License:Open Source License

public void saveIndex(Index index) throws IOException {
    // must have permission to write from the write monitor
    if (index.hasChanged()) {
        if (VERBOSE)
            Util.verbose("-> saving index " + index.getIndexFile()); //$NON-NLS-1$
        index.save();/*from  www  .  j ava2  s.  c  o  m*/
    }
    synchronized (this) {
        IPath containerPath = new Path(index.containerPath);
        if (this.jobEnd > this.jobStart) {
            for (int i = this.jobEnd; i > this.jobStart; i--) { // skip the current job
                IJob job = this.awaitingJobs[i];
                if (job instanceof IndexRequest)
                    if (((IndexRequest) job).containerPath.equals(containerPath))
                        return;
            }
        }
        IPath indexLocation = computeIndexLocation(containerPath);
        updateIndexState(indexLocation, SAVED_STATE);
    }
}