SqlWindowTableFunction.AbstractOperandMetadata (Flink : 2.0-preview1 API)

java.lang.Object
- org.apache.flink.table.planner.functions.sql.SqlWindowTableFunction.AbstractOperandMetadata

All Implemented Interfaces:

org.apache.calcite.sql.type.SqlOperandMetadata, org.apache.calcite.sql.type.SqlOperandTypeChecker

Enclosing class:

SqlWindowTableFunction
```
protected abstract static class SqlWindowTableFunction.AbstractOperandMetadata
extends Object
implements org.apache.calcite.sql.type.SqlOperandMetadata
```
Partial implementation of operand type checker.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.calcite.sql.type.SqlOperandTypeChecker
  org.apache.calcite.sql.type.SqlOperandTypeChecker.Consistency

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.apache.calcite.sql.type.SqlOperandTypeChecker.Consistency`	`getConsistency()`
`org.apache.calcite.sql.SqlOperandCountRange`	`getOperandCountRange()`
`boolean`	`isOptional(int i)`
`List<String>`	`paramNames()`
`List<org.apache.calcite.rel.type.RelDataType>`	`paramTypes(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.calcite.sql.type.SqlOperandTypeChecker
checkOperandTypes, getAllowedSignatures, isFixedParameters, typeInference

- Method Detail
  - getOperandCountRange
```
public org.apache.calcite.sql.SqlOperandCountRange getOperandCountRange()
```
    Specified by:
    
    getOperandCountRange in interface org.apache.calcite.sql.type.SqlOperandTypeChecker
  - paramTypes
```
public List<org.apache.calcite.rel.type.RelDataType> paramTypes(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)
```
    Specified by:
    
    paramTypes in interface org.apache.calcite.sql.type.SqlOperandMetadata
  - paramNames
```
public List<String> paramNames()
```
    Specified by:
    
    paramNames in interface org.apache.calcite.sql.type.SqlOperandMetadata
  - getConsistency
```
public org.apache.calcite.sql.type.SqlOperandTypeChecker.Consistency getConsistency()
```
    Specified by:
    
    getConsistency in interface org.apache.calcite.sql.type.SqlOperandTypeChecker
  - isOptional
```
public boolean isOptional(int i)
```
    Specified by:
    
    isOptional in interface org.apache.calcite.sql.type.SqlOperandTypeChecker