org.apache.flink.table.planner.plan.logical

Class TimeAttributeWindowingStrategy

java.lang.Object

org.apache.flink.table.planner.plan.logical.WindowingStrategy

org.apache.flink.table.planner.plan.logical.TimeAttributeWindowingStrategy

public class TimeAttributeWindowingStrategy
extends WindowingStrategy

A windowing strategy that gets windows by calculating on time attribute column.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD_NAME_TIME_ATTRIBUTE_INDEX

Fields inherited from class org.apache.flink.table.planner.plan.logical.WindowingStrategy

FIELD_NAME_IS_ROWTIME, FIELD_NAME_TIME_ATTRIBUTE_TYPE, FIELD_NAME_WINDOW, isRowtime, timeAttributeType, window

Constructor Summary

Constructors

Constructor and Description
TimeAttributeWindowingStrategy(WindowSpec window, LogicalType timeAttributeType, int timeAttributeIndex)

Method Summary

Modifier and Type	Method and Description
int	getTimeAttributeIndex()
String	toSummaryString(String[] inputFieldNames)

Methods inherited from class org.apache.flink.table.planner.plan.logical.WindowingStrategy

getTimeAttributeType, getWindow, isProctime, isRowtime

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

FIELD_NAME_TIME_ATTRIBUTE_INDEX

public static final String FIELD_NAME_TIME_ATTRIBUTE_INDEX

See Also:

Constant Field Values

Constructor Detail

TimeAttributeWindowingStrategy

public TimeAttributeWindowingStrategy(WindowSpec window,
                                      LogicalType timeAttributeType,
                                      int timeAttributeIndex)

Method Detail

toSummaryString

public String toSummaryString(String[] inputFieldNames)

Specified by:

toSummaryString in class WindowingStrategy

getTimeAttributeIndex

public int getTimeAttributeIndex()