Examples with AliasFilterParsingException org.opensearch.indices.AliasFilterParsingException used on opensource projects

Example 1 with AliasFilterParsingException

use of org.opensearch.indices.AliasFilterParsingException in project OpenSearch by opensearch-project.

the class ShardSearchRequest method parseAliasFilter.

/**
 * Returns the filter associated with listed filtering aliases.
 * <p>
 * The list of filtering aliases should be obtained by calling Metadata.filteringAliases.
 * Returns {@code null} if no filtering is required.</p>
 */
public static QueryBuilder parseAliasFilter(CheckedFunction<BytesReference, QueryBuilder, IOException> filterParser, IndexMetadata metadata, String... aliasNames) {
    if (aliasNames == null || aliasNames.length == 0) {
        return null;
    }
    Index index = metadata.getIndex();
    ImmutableOpenMap<String, AliasMetadata> aliases = metadata.getAliases();
    Function<AliasMetadata, QueryBuilder> parserFunction = (alias) -> {
        if (alias.filter() == null) {
            return null;
        }
        try {
            return filterParser.apply(alias.filter().uncompressed());
        } catch (IOException ex) {
            throw new AliasFilterParsingException(index, alias.getAlias(), "Invalid alias filter", ex);
        }
    };
    if (aliasNames.length == 1) {
        AliasMetadata alias = aliases.get(aliasNames[0]);
        if (alias == null) {
            // This shouldn't happen unless alias disappeared after filteringAliases was called.
            throw new InvalidAliasNameException(index, aliasNames[0], "Unknown alias name was passed to alias Filter");
        }
        return parserFunction.apply(alias);
    } else {
        // we need to bench here a bit, to see maybe it makes sense to use OrFilter
        BoolQueryBuilder combined = new BoolQueryBuilder();
        for (String aliasName : aliasNames) {
            AliasMetadata alias = aliases.get(aliasName);
            if (alias == null) {
                // This shouldn't happen unless alias disappeared after filteringAliases was called.
                throw new InvalidAliasNameException(index, aliasNames[0], "Unknown alias name was passed to alias Filter");
            }
            QueryBuilder parsedFilter = parserFunction.apply(alias);
            if (parsedFilter != null) {
                combined.should(parsedFilter);
            } else {
                // The filter might be null only if filter was removed after filteringAliases was called
                return null;
            }
        }
        return combined;
    }
}