Examples with CheckedFunction org.elasticsearch.common.CheckedFunction used on opensource projects

Example 6 with CheckedFunction

use of org.elasticsearch.common.CheckedFunction in project elasticsearch by elastic.

the class RestHighLevelClientTests method testPerformRequestOnResponseExceptionWithoutEntity.

public void testPerformRequestOnResponseExceptionWithoutEntity() throws IOException {
    MainRequest mainRequest = new MainRequest();
    CheckedFunction<MainRequest, Request, IOException> requestConverter = request -> new Request("GET", "/", Collections.emptyMap(), null);
    RestStatus restStatus = randomFrom(RestStatus.values());
    HttpResponse httpResponse = new BasicHttpResponse(newStatusLine(restStatus));
    Response mockResponse = new Response(REQUEST_LINE, new HttpHost("localhost", 9200), httpResponse);
    ResponseException responseException = new ResponseException(mockResponse);
    when(restClient.performRequest(anyString(), anyString(), anyMapOf(String.class, String.class), anyObject(), anyVararg())).thenThrow(responseException);
    ElasticsearchException elasticsearchException = expectThrows(ElasticsearchException.class, () -> restHighLevelClient.performRequest(mainRequest, requestConverter, response -> response.getStatusLine().getStatusCode(), Collections.emptySet()));
    assertEquals(responseException.getMessage(), elasticsearchException.getMessage());
    assertEquals(restStatus, elasticsearchException.status());
    assertSame(responseException, elasticsearchException.getCause());
}

Example 7 with CheckedFunction

use of org.elasticsearch.common.CheckedFunction in project elasticsearch by elastic.

the class RestHighLevelClientTests method testPerformRequestOnResponseExceptionWithBrokenEntity.

public void testPerformRequestOnResponseExceptionWithBrokenEntity() throws IOException {
    MainRequest mainRequest = new MainRequest();
    CheckedFunction<MainRequest, Request, IOException> requestConverter = request -> new Request("GET", "/", Collections.emptyMap(), null);
    RestStatus restStatus = randomFrom(RestStatus.values());
    HttpResponse httpResponse = new BasicHttpResponse(newStatusLine(restStatus));
    httpResponse.setEntity(new StringEntity("{\"error\":", ContentType.APPLICATION_JSON));
    Response mockResponse = new Response(REQUEST_LINE, new HttpHost("localhost", 9200), httpResponse);
    ResponseException responseException = new ResponseException(mockResponse);
    when(restClient.performRequest(anyString(), anyString(), anyMapOf(String.class, String.class), anyObject(), anyVararg())).thenThrow(responseException);
    ElasticsearchException elasticsearchException = expectThrows(ElasticsearchException.class, () -> restHighLevelClient.performRequest(mainRequest, requestConverter, response -> response.getStatusLine().getStatusCode(), Collections.emptySet()));
    assertEquals("Unable to parse response body", elasticsearchException.getMessage());
    assertEquals(restStatus, elasticsearchException.status());
    assertSame(responseException, elasticsearchException.getCause());
    assertThat(elasticsearchException.getSuppressed()[0], instanceOf(JsonParseException.class));
}

Example 8 with CheckedFunction

use of org.elasticsearch.common.CheckedFunction in project elasticsearch by elastic.

the class RestHighLevelClientTests method testPerformRequestOnResponseExceptionWithIgnoresErrorValidBody.

public void testPerformRequestOnResponseExceptionWithIgnoresErrorValidBody() throws IOException {
    MainRequest mainRequest = new MainRequest();
    CheckedFunction<MainRequest, Request, IOException> requestConverter = request -> new Request("GET", "/", Collections.emptyMap(), null);
    HttpResponse httpResponse = new BasicHttpResponse(newStatusLine(RestStatus.NOT_FOUND));
    httpResponse.setEntity(new StringEntity("{\"error\":\"test error message\",\"status\":404}", ContentType.APPLICATION_JSON));
    Response mockResponse = new Response(REQUEST_LINE, new HttpHost("localhost", 9200), httpResponse);
    ResponseException responseException = new ResponseException(mockResponse);
    when(restClient.performRequest(anyString(), anyString(), anyMapOf(String.class, String.class), anyObject(), anyVararg())).thenThrow(responseException);
    ElasticsearchException elasticsearchException = expectThrows(ElasticsearchException.class, () -> restHighLevelClient.performRequest(mainRequest, requestConverter, response -> {
        throw new IllegalStateException();
    }, Collections.singleton(404)));
    assertEquals(RestStatus.NOT_FOUND, elasticsearchException.status());
    assertSame(responseException, elasticsearchException.getSuppressed()[0]);
    assertEquals("Elasticsearch exception [type=exception, reason=test error message]", elasticsearchException.getMessage());
}

Example 9 with CheckedFunction

use of org.elasticsearch.common.CheckedFunction in project elasticsearch by elastic.

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 <tt>null</tt> if no filtering is required.</p>
     */
static QueryBuilder parseAliasFilter(CheckedFunction<byte[], 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;
    }
}

Example 10 with CheckedFunction

use of org.elasticsearch.common.CheckedFunction in project elasticsearch by elastic.

the class IndicesService method buildAliasFilter.

public AliasFilter buildAliasFilter(ClusterState state, String index, String... expressions) {
    /* Being static, parseAliasFilter doesn't have access to whatever guts it needs to parse a query. Instead of passing in a bunch
         * of dependencies we pass in a function that can perform the parsing. */
    CheckedFunction<byte[], QueryBuilder, IOException> filterParser = bytes -> {
        try (XContentParser parser = XContentFactory.xContent(bytes).createParser(xContentRegistry, bytes)) {
            return new QueryParseContext(parser).parseInnerQueryBuilder();
        }
    };
    String[] aliases = indexNameExpressionResolver.filteringAliases(state, index, expressions);
    IndexMetaData indexMetaData = state.metaData().index(index);
    return new AliasFilter(ShardSearchRequest.parseAliasFilter(filterParser, indexMetaData, aliases), aliases);
}