Examples with IndexData org.apache.geode.cache.query.internal.index.IndexData used on opensource projects

Example 6 with IndexData

use of org.apache.geode.cache.query.internal.index.IndexData in project geode by apache.

the class QueryUtils method getAvailableIndexIfAny.

private static IndexData getAvailableIndexIfAny(CompiledValue cv, ExecutionContext context, boolean usePrimaryIndex) throws AmbiguousNameException, TypeMismatchException, NameResolutionException {
    Set set = new HashSet();
    context.computeUltimateDependencies(cv, set);
    if (set.size() != 1)
        return null;
    RuntimeIterator rIter = (RuntimeIterator) set.iterator().next();
    String regionPath = null;
    // collection is not a Region
    if (rIter.getScopeID() != context.currentScope().getScopeID() || /* context.getScopeCount() */
    (regionPath = context.getRegionPathForIndependentRuntimeIterator(rIter)) == null) {
        return null;
    }
    // The independent iterator is added as the first element
    List groupRuntimeItrs = context.getCurrScopeDpndntItrsBasedOnSingleIndpndntItr(rIter);
    String[] definitions = new String[groupRuntimeItrs.size()];
    Iterator iterator = groupRuntimeItrs.iterator();
    int i = 0;
    while (iterator.hasNext()) {
        RuntimeIterator rIterator = (RuntimeIterator) iterator.next();
        definitions[i++] = rIterator.getDefinition();
    }
    IndexData indexData = IndexUtils.findIndex(regionPath, definitions, cv, "*", context.getCache(), usePrimaryIndex, context);
    if (indexData != null) {
        if (logger.isDebugEnabled()) {
            logger.debug("Indexed expression for indexed data : {}  for region : {}", indexData.getIndex().getCanonicalizedIndexedExpression(), regionPath);
        }
    }
    return indexData;
}