This section lists frequently used classes of the HiTSDB SDK according to the SDK package name. Click class name links for details and usage methods of important classes.
Class name Description HiTSDBConfig HiTSDB configuration class; all client options are configured in this class. HiTSDBConfig.Builder HiTSDBConfig’s builder class; HiTSDBConfig objects are produced by this class. HiTSDBClientFactory HiTSDB object’s engineering class; HiTSDB objects are produced by the HiTSDBConfig objects. HiTSDBClient HiTSDB operation class; used to implement com.aliyun.hitsdb.client.HiTSDB interfaces. This class is thread-safe, and used to complete all HiTSDB operations. Typically, only one HiTSDB class object is required globally. HiTSDB HiTSDBClient interface class
Class name Description Point Point; represents data to be put into HiTSDB. Point.MetricBuilder Point building class; Point objects are built by this class. Timeline class; the timeline of HiTSDB. Query Query class Query.Builder Query class and building class SubQuery SubQuery class SubQuery.Builder SubQuery class and building class Filter Filter query class Filter.Builder Filter class, Filter class’ building class. MetricTimeRange MetricTimeRange value TTLValue Time to Live (TTL) value SuggestValue SuggestValue value
Class name Description QueryResult Query result class Timeline class; the timeline of HiTSDB. TagResult Tag query result LastDPValue Last query result value
Class name Description Aggregator Aggregation calculation type FilterType Filter type Suggest Query result class
Class name Description QueryCallback Query callback class BatchPutCallback Put callback BatchPutDetailsCallback Put callback class BatchPutSummaryCallback Put callback class
Class name Description BufferQueueFullException Full queue
Class name Description HttpClientConnectionRefusedException HiTSDB server refused connection HttpClientException Client exception HttpClientInitException Exception during client initialization HttpClientSocketTimeoutException Client socket time-out HttpServerErrorException Server returned 5xx-level error code HttpServerNotSupportException Server returned 4xx-level error code HttpUnknowStatusException Server returned undefined error code
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