@ExecNodeMetadata(name="stream-exec-watermark-assigner", version=1, producedTransformations="watermark-assigner", minPlanVersion=v1_15, minStateVersion=v1_15) public class StreamExecWatermarkAssigner extends ExecNodeBase<RowData> implements StreamExecNode<RowData>, SingleTransformationTranslator<RowData>
ExecNode
which generates watermark based on the input elements.Modifier and Type | Field and Description |
---|---|
static String |
FIELD_NAME_ROWTIME_FIELD_INDEX |
static String |
FIELD_NAME_WATERMARK_EXPR |
static String |
WATERMARK_ASSIGNER_TRANSFORMATION |
FIELD_NAME_CONFIGURATION, FIELD_NAME_DESCRIPTION, FIELD_NAME_ID, FIELD_NAME_INPUT_PROPERTIES, FIELD_NAME_OUTPUT_TYPE, FIELD_NAME_TYPE
Constructor and Description |
---|
StreamExecWatermarkAssigner(int id,
ExecNodeContext context,
ReadableConfig persistedConfig,
org.apache.calcite.rex.RexNode watermarkExpr,
int rowtimeFieldIndex,
List<InputProperty> inputProperties,
RowType outputType,
String description) |
StreamExecWatermarkAssigner(ReadableConfig tableConfig,
org.apache.calcite.rex.RexNode watermarkExpr,
int rowtimeFieldIndex,
InputProperty inputProperty,
RowType outputType,
String description) |
Modifier and Type | Method and Description |
---|---|
protected Transformation<RowData> |
translateToPlanInternal(org.apache.flink.table.planner.delegation.PlannerBase planner,
ExecNodeConfig config)
Internal method, translates this node into a Flink operator.
|
accept, createFormattedTransformationDescription, createFormattedTransformationName, createTransformationDescription, createTransformationMeta, createTransformationMeta, createTransformationName, createTransformationUid, getContextFromAnnotation, getDescription, getId, getInputEdges, getInputProperties, getOutputType, getPersistedConfig, getSimplifiedName, getTransformation, inputsContainSingleton, replaceInputEdge, resetTransformation, setCompiled, setInputEdges, translateToPlan
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
accept, getDescription, getId, getInputEdges, getInputProperties, getOutputType, replaceInputEdge, setCompiled, setInputEdges
translateToPlan
public static final String WATERMARK_ASSIGNER_TRANSFORMATION
public static final String FIELD_NAME_WATERMARK_EXPR
public static final String FIELD_NAME_ROWTIME_FIELD_INDEX
public StreamExecWatermarkAssigner(ReadableConfig tableConfig, org.apache.calcite.rex.RexNode watermarkExpr, int rowtimeFieldIndex, InputProperty inputProperty, RowType outputType, String description)
public StreamExecWatermarkAssigner(int id, ExecNodeContext context, ReadableConfig persistedConfig, org.apache.calcite.rex.RexNode watermarkExpr, int rowtimeFieldIndex, List<InputProperty> inputProperties, RowType outputType, String description)
protected Transformation<RowData> translateToPlanInternal(org.apache.flink.table.planner.delegation.PlannerBase planner, ExecNodeConfig config)
ExecNodeBase
translateToPlanInternal
in class ExecNodeBase<RowData>
planner
- The planner.config
- per-ExecNode
configuration that contains the merged configuration from
various layers which all the nodes implementing this method should use, instead of
retrieving configuration from the planner
. For more details check ExecNodeConfig
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