Package org.apache.flink.table.runtime.functions

Class DefaultExpressionEvaluator

java.lang.Object

org.apache.flink.table.runtime.functions.DefaultExpressionEvaluator

All Implemented Interfaces:

Serializable, org.apache.flink.table.functions.SpecializedFunction.ExpressionEvaluator

@Internal
public class DefaultExpressionEvaluator
extends Object
implements org.apache.flink.table.functions.SpecializedFunction.ExpressionEvaluator

Default runtime implementation for SpecializedFunction.ExpressionEvaluator.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
DefaultExpressionEvaluator(GeneratedFunction<org.apache.flink.api.common.functions.RichFunction> generatedClass, Class<?> returnClass, Class<?>[] argClasses, String expressionSummary)

Method Summary

Modifier and Type	Method	Description
void	close()
MethodHandle	open(org.apache.flink.table.functions.FunctionContext context)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultExpressionEvaluator

public DefaultExpressionEvaluator(GeneratedFunction<org.apache.flink.api.common.functions.RichFunction> generatedClass,
                                  Class<?> returnClass,
                                  Class<?>[] argClasses,
                                  String expressionSummary)

Method Detail

open

public MethodHandle open(org.apache.flink.table.functions.FunctionContext context)

Specified by:

open in interface org.apache.flink.table.functions.SpecializedFunction.ExpressionEvaluator

close

public void close()

Specified by:

close in interface org.apache.flink.table.functions.SpecializedFunction.ExpressionEvaluator

toString

public String toString()

Overrides:

toString in class Object