org.apache.flink.table.planner.functions.inference

Class AbstractSqlCallContext

java.lang.Object

org.apache.flink.table.planner.functions.inference.AbstractSqlCallContext

All Implemented Interfaces:

org.apache.flink.table.types.inference.CallContext

Direct Known Subclasses:

CallBindingCallContext, OperatorBindingCallContext

@Internal
public abstract class AbstractSqlCallContext
extends Object
implements org.apache.flink.table.types.inference.CallContext

A CallContext backed by SqlOperatorBinding.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	AbstractSqlCallContext.LiteralValueAccessor Helper interface for abstracting accessing literals.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractSqlCallContext(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory, org.apache.flink.table.functions.FunctionDefinition definition, String name)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.table.catalog.DataTypeFactory	getDataTypeFactory()
org.apache.flink.table.functions.FunctionDefinition	getFunctionDefinition()
protected static <T> T	getLiteralValueAs(AbstractSqlCallContext.LiteralValueAccessor accessor, Class<T> clazz) Bridges to ValueLiteralExpression.getValueAs(Class).
String	getName()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.types.inference.CallContext

getArgumentDataTypes, getArgumentValue, getOutputDataType, isArgumentLiteral, isArgumentNull, newValidationError

Constructor Detail

AbstractSqlCallContext

protected AbstractSqlCallContext(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory,
                                 org.apache.flink.table.functions.FunctionDefinition definition,
                                 String name)

Method Detail

getDataTypeFactory

public org.apache.flink.table.catalog.DataTypeFactory getDataTypeFactory()

Specified by:

getDataTypeFactory in interface org.apache.flink.table.types.inference.CallContext

getFunctionDefinition

public org.apache.flink.table.functions.FunctionDefinition getFunctionDefinition()

Specified by:

getFunctionDefinition in interface org.apache.flink.table.types.inference.CallContext

getName

public String getName()

Specified by:

getName in interface org.apache.flink.table.types.inference.CallContext

getLiteralValueAs

protected static <T> T getLiteralValueAs(AbstractSqlCallContext.LiteralValueAccessor accessor,
                                         Class<T> clazz)

Bridges to ValueLiteralExpression.getValueAs(Class).