Examples with OIndexCursorSingleValue com.orientechnologies.orient.core.index.OIndexCursorSingleValue used on opensource projects

Example 1 with OIndexCursorSingleValue

use of com.orientechnologies.orient.core.index.OIndexCursorSingleValue in project orientdb by orientechnologies.

the class OQueryOperatorContainsKey method executeIndexQuery.

@Override
public OIndexCursor executeIndexQuery(OCommandContext iContext, OIndex<?> index, List<Object> keyParams, boolean ascSortOrder) {
    final OIndexDefinition indexDefinition = index.getDefinition();
    OIndexCursor cursor;
    final OIndexInternal<?> internalIndex = index.getInternal();
    if (!internalIndex.canBeUsedInEqualityOperators())
        return null;
    if (indexDefinition.getParamCount() == 1) {
        if (!((indexDefinition instanceof OPropertyMapIndexDefinition) && ((OPropertyMapIndexDefinition) indexDefinition).getIndexBy() == OPropertyMapIndexDefinition.INDEX_BY.KEY))
            return null;
        final Object key = ((OIndexDefinitionMultiValue) indexDefinition).createSingleValue(keyParams.get(0));
        if (key == null)
            return null;
        final Object indexResult = index.get(key);
        if (indexResult == null || indexResult instanceof OIdentifiable)
            cursor = new OIndexCursorSingleValue((OIdentifiable) indexResult, key);
        else
            cursor = new OIndexCursorCollectionValue((Collection<OIdentifiable>) indexResult, key);
    } else {
        // in case of composite keys several items can be returned in case of we perform search
        // using part of composite key stored in index.
        final OCompositeIndexDefinition compositeIndexDefinition = (OCompositeIndexDefinition) indexDefinition;
        if (!((compositeIndexDefinition.getMultiValueDefinition() instanceof OPropertyMapIndexDefinition) && ((OPropertyMapIndexDefinition) compositeIndexDefinition.getMultiValueDefinition()).getIndexBy() == OPropertyMapIndexDefinition.INDEX_BY.KEY))
            return null;
        final Object keyOne = compositeIndexDefinition.createSingleValue(keyParams);
        if (keyOne == null)
            return null;
        if (internalIndex.hasRangeQuerySupport()) {
            final Object keyTwo = compositeIndexDefinition.createSingleValue(keyParams);
            cursor = index.iterateEntriesBetween(keyOne, true, keyTwo, true, ascSortOrder);
        } else {
            if (indexDefinition.getParamCount() == keyParams.size()) {
                final Object indexResult = index.get(keyOne);
                if (indexResult == null || indexResult instanceof OIdentifiable)
                    cursor = new OIndexCursorSingleValue((OIdentifiable) indexResult, keyOne);
                else
                    cursor = new OIndexCursorCollectionValue((Collection<OIdentifiable>) indexResult, keyOne);
            } else
                return null;
        }
    }
    updateProfiler(iContext, index, keyParams, indexDefinition);
    return cursor;
}

Example 2 with OIndexCursorSingleValue

use of com.orientechnologies.orient.core.index.OIndexCursorSingleValue in project orientdb by orientechnologies.

the class OQueryOperatorContainsText method executeIndexQuery.

@Override
public OIndexCursor executeIndexQuery(OCommandContext iContext, OIndex<?> index, List<Object> keyParams, boolean ascSortOrder) {
    final OIndexDefinition indexDefinition = index.getDefinition();
    if (indexDefinition.getParamCount() > 1)
        return null;
    final OIndex<?> internalIndex = index.getInternal();
    OIndexCursor cursor;
    if (internalIndex instanceof OIndexFullText) {
        final Object key = indexDefinition.createValue(keyParams);
        final Object indexResult = index.get(key);
        if (indexResult == null || indexResult instanceof OIdentifiable)
            cursor = new OIndexCursorSingleValue((OIdentifiable) indexResult, key);
        else
            cursor = new OIndexCursorCollectionValue((Collection<OIdentifiable>) indexResult, key);
    } else
        return null;
    updateProfiler(iContext, internalIndex, keyParams, indexDefinition);
    return cursor;
}

Example 3 with OIndexCursorSingleValue

use of com.orientechnologies.orient.core.index.OIndexCursorSingleValue in project orientdb by orientechnologies.

the class OQueryOperatorIs method executeIndexQuery.

@Override
public OIndexCursor executeIndexQuery(OCommandContext iContext, OIndex<?> index, List<Object> keyParams, boolean ascSortOrder) {
    final OIndexDefinition indexDefinition = index.getDefinition();
    final OIndexInternal<?> internalIndex = index.getInternal();
    OIndexCursor cursor;
    if (!internalIndex.canBeUsedInEqualityOperators())
        return null;
    if (indexDefinition.getParamCount() == 1) {
        final Object key;
        if (indexDefinition instanceof OIndexDefinitionMultiValue)
            key = ((OIndexDefinitionMultiValue) indexDefinition).createSingleValue(keyParams.get(0));
        else
            key = indexDefinition.createValue(keyParams);
        final Object indexResult;
        indexResult = index.get(key);
        if (indexResult == null || indexResult instanceof OIdentifiable)
            cursor = new OIndexCursorSingleValue((OIdentifiable) indexResult, key);
        else
            cursor = new OIndexCursorCollectionValue((Collection<OIdentifiable>) indexResult, key);
    } else {
        // in case of composite keys several items can be returned in case we perform search
        // using part of composite key stored in index
        final OCompositeIndexDefinition compositeIndexDefinition = (OCompositeIndexDefinition) indexDefinition;
        final Object keyOne = compositeIndexDefinition.createSingleValue(keyParams);
        final Object keyTwo = compositeIndexDefinition.createSingleValue(keyParams);
        if (internalIndex.hasRangeQuerySupport()) {
            cursor = index.iterateEntriesBetween(keyOne, true, keyTwo, true, ascSortOrder);
        } else {
            if (indexDefinition.getParamCount() == keyParams.size()) {
                final Object indexResult;
                indexResult = index.get(keyOne);
                if (indexResult == null || indexResult instanceof OIdentifiable)
                    cursor = new OIndexCursorSingleValue((OIdentifiable) indexResult, keyOne);
                else
                    cursor = new OIndexCursorCollectionValue((Collection<OIdentifiable>) indexResult, keyOne);
            } else
                return null;
        }
    }
    updateProfiler(iContext, index, keyParams, indexDefinition);
    return cursor;
}