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

Introduction

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

Prototype

public void startQuery() 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.core.search.SearchPattern.java

License:Open Source License

/**
 * Query a given index for matching entries. Assumes the sender has opened the index and will close when finished.
 *
 * @noreference This method is not intended to be referenced by clients.
 * @nooverride This method is not intended to be re-implemented or extended by clients.
 *///from   w  w  w . ja va2 s . c o m
public void findIndexMatches(Index index, IndexQueryRequestor requestor, SearchParticipant participant,
        IJavaSearchScope scope, IProgressMonitor monitor) throws IOException {
    if (monitor != null && monitor.isCanceled())
        throw new OperationCanceledException();
    try {
        index.startQuery();
        SearchPattern pattern = currentPattern();
        EntryResult[] entries = pattern.queryIn(index);
        if (entries == null)
            return;

        SearchPattern decodedResult = pattern.getBlankPattern();
        String containerPath = index.containerPath;
        char separator = index.separator;
        for (int i = 0, l = entries.length; i < l; i++) {
            if (monitor != null && monitor.isCanceled())
                throw new OperationCanceledException();

            EntryResult entry = entries[i];
            decodedResult.decodeIndexKey(entry.getWord());
            if (pattern.matchesDecodedKey(decodedResult)) {
                // TODO (kent) some clients may not need the document names
                String[] names = entry.getDocumentNames(index);
                for (int j = 0, n = names.length; j < n; j++)
                    acceptMatch(names[j], containerPath, separator, decodedResult, requestor, participant,
                            scope, monitor);
            }
        }
    } finally {
        index.stopQuery();
    }
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.IntersectingPattern.java

License:Open Source License

public void findIndexMatches(Index index, IndexQueryRequestor requestor, SearchParticipant participant,
        IJavaSearchScope scope, IProgressMonitor progressMonitor) throws IOException {
    if (progressMonitor != null && progressMonitor.isCanceled())
        throw new OperationCanceledException();

    resetQuery();/*from  w w w .  j  av a2s .  c o  m*/
    SimpleSet intersectedNames = null;
    try {
        index.startQuery();
        do {
            SearchPattern pattern = currentPattern();
            EntryResult[] entries = pattern.queryIn(index);
            if (entries == null)
                return;

            SearchPattern decodedResult = pattern.getBlankPattern();
            SimpleSet newIntersectedNames = new SimpleSet(3);
            for (int i = 0, l = entries.length; i < l; i++) {
                if (progressMonitor != null && progressMonitor.isCanceled())
                    throw new OperationCanceledException();

                EntryResult entry = entries[i];
                decodedResult.decodeIndexKey(entry.getWord());
                if (pattern.matchesDecodedKey(decodedResult)) {
                    String[] names = entry.getDocumentNames(index);
                    if (intersectedNames != null) {
                        for (int j = 0, n = names.length; j < n; j++)
                            if (intersectedNames.includes(names[j]))
                                newIntersectedNames.add(names[j]);
                    } else {
                        for (int j = 0, n = names.length; j < n; j++)
                            newIntersectedNames.add(names[j]);
                    }
                }
            }

            if (newIntersectedNames.elementSize == 0)
                return;
            intersectedNames = newIntersectedNames;
        } while (hasNextQuery());
    } finally {
        index.stopQuery();
    }

    String containerPath = index.containerPath;
    char separator = index.separator;
    Object[] names = intersectedNames.values;
    for (int i = 0, l = names.length; i < l; i++)
        if (names[i] != null)
            acceptMatch((String) names[i], containerPath, separator, null/*no pattern*/, requestor, participant,
                    scope, progressMonitor); // AndPatterns cannot provide the decoded result
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.OrPattern.java

License:Open Source License

public void findIndexMatches(Index index, IndexQueryRequestor requestor, SearchParticipant participant,
        IJavaSearchScope scope, IProgressMonitor progressMonitor) throws IOException {
    // per construction, OR pattern can only be used with a PathCollector (which already gather results using a set)
    try {// w  w  w  . ja v  a2 s  . c o  m
        index.startQuery();
        for (int i = 0, length = this.patterns.length; i < length; i++)
            this.patterns[i].findIndexMatches(index, requestor, participant, scope, progressMonitor);
    } finally {
        index.stopQuery();
    }
}

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

License:Open Source License

public boolean search(Index index, IProgressMonitor progressMonitor) {
    if (index == null)
        return COMPLETE;
    if (this.indexes.addIfNotIncluded(index) == index)
        index.startQuery();
    return super.search(index, progressMonitor);
}

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