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    Overview of common SDK classes

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    Overview of common SDK classes

    Last Updated: Mar 28, 2018

    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.

    Package name: com.aliyun.hitsdb.client

    Class name Description
    HiTSDBConfig HiTSDB configuration class; all client options are configured in this class.
    HiTSDBConfig.BuilderHiTSDBConfig’s builder class; HiTSDBConfig objects are produced by this class.
    HiTSDBClientFactoryHiTSDB object’s engineering class; HiTSDB objects are produced by the HiTSDBConfig objects.
    HiTSDBClientHiTSDB 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.
    HiTSDBHiTSDBClient interface class

    package name: com.aliyun.hitsdb.client.value.request

    Class name Description
    Point Point; represents data to be put into HiTSDB.
    Point.MetricBuilderPoint building class; Point objects are built by this class.
    Timeline class; the timeline of HiTSDB.
    QueryQuery class
    Query.BuilderQuery class and building class
    SubQuery SubQuery class
    SubQuery.BuilderSubQuery class and building class
    FilterFilter query class
    Filter.BuilderFilter class, Filter class’ building class.
    MetricTimeRangeMetricTimeRange value
    TTLValueTime to Live (TTL) value
    SuggestValueSuggestValue value

    Package name: com.aliyun.hitsdb.client.value.response

    Class name Description
    QueryResultQuery result class
    Timeline class; the timeline of HiTSDB.
    TagResult Tag query result
    LastDPValue Last query result value

    Package name: com.aliyun.hitsdb.client.value.type

    Class name Description
    Aggregator Aggregation calculation type
    FilterType Filter type
    Suggest Query result class

    Package name: com.aliyun.hitsdb.client.callback

    Class name Description
    QueryCallback Query callback class
    BatchPutCallback Put callback
    BatchPutDetailsCallback Put callback class
    BatchPutSummaryCallback Put callback class

    Package name: com.aliyun.hitsdb.client.exception

    Class name Description
    BufferQueueFullException Full queue

    Package name: com.aliyun.hitsdb.client.exception.http

    Class name Description
    HttpClientConnectionRefusedExceptionHiTSDB server refused connection
    HttpClientException Client exception
    HttpClientInitException Exception during client initialization
    HttpClientSocketTimeoutException Client socket time-out
    HttpServerErrorException Server returned 5xx-level error code
    HttpServerNotSupportExceptionServer returned 4xx-level error code
    HttpUnknowStatusExceptionServer returned undefined error code
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