java.lang.Object
- org.apache.flink.table.types.inference.strategies.SpecificInputTypeStrategies

```
@Internal
public final class SpecificInputTypeStrategies
extends Object
```
Entry point for specific input type strategies not covered in InputTypeStrategies.
This primarily serves the purpose of reducing visibility of individual type strategy implementations to avoid polluting the API classpath.

Field Summary

Fields
Modifier and Type	Field	Description
`static InputTypeStrategy`	`ARRAY`	Strategy specific for `BuiltInFunctionDefinitions.ARRAY`.
`static ArgumentTypeStrategy`	`ARRAY_ELEMENT_ARG`	Argument type derived from the array element type.
`static ArgumentTypeStrategy`	`ARRAY_FULLY_COMPARABLE`	Argument type representing the array is comparable.
`static InputTypeStrategy`	`CAST`	See `CastInputTypeStrategy`.
`static InputTypeStrategy`	`CURRENT_WATERMARK`	See `CurrentWatermarkInputTypeStrategy`.
`static InputTypeStrategy`	`EXTRACT`	See `ExtractInputTypeStrategy`.
`static InputTypeStrategy`	`IN`	Type strategy specific for `BuiltInFunctionDefinitions.IN`.
`static ArgumentTypeStrategy`	`INDEX`	Argument type strategy that expects a `LogicalTypeFamily.INTEGER_NUMERIC` starting from 0.
`static ArgumentTypeStrategy`	`JSON_ARGUMENT`	Argument type representing all types supported in a JSON context.
`static InputTypeStrategy`	`JSON_OBJECT`	Input strategy for `BuiltInFunctionDefinitions.JSON_OBJECT`.
`static ArgumentTypeStrategy`	`JSON_QUERY_ON_EMPTY_ERROR_BEHAVIOUR`	See `JsonQueryOnErrorEmptyArgumentTypeStrategy`.
`static InputTypeStrategy`	`LEAD_LAG`	Type strategy for `BuiltInFunctionDefinitions.LAG` and { @link BuiltInFunctionDefinitions#LEAD}.
`static InputTypeStrategy`	`MAP`	See `MapInputTypeStrategy`.
`static InputTypeStrategy`	`OVER`	See `OverTypeStrategy`.
`static InputTypeStrategy`	`REINTERPRET_CAST`
`static InputTypeStrategy`	`TEMPORAL_OVERLAPS`	See `TemporalOverlapsInputTypeStrategy`.
`static InputTypeStrategy`	`TWO_EQUALS_COMPARABLE`	Strategy that checks all types are equals comparable with each other.
`static InputTypeStrategy`	`TWO_FULLY_COMPARABLE`	Strategy that checks all types are fully comparable with each other.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static ArgumentTypeStrategy`	`percentage(boolean expectedNullability)`	An `ArgumentTypeStrategy` that expects a percentage value between [0.0, 1.0].
`static ArgumentTypeStrategy`	`percentageArray(boolean expectedNullability)`	An `ArgumentTypeStrategy` that expects an array of percentages with each element between [0.0, 1.0].
`static InputTypeStrategy`	`windowTimeIndicator()`	See `WindowTimeIndictorInputTypeStrategy`.
`static InputTypeStrategy`	`windowTimeIndicator(TimestampKind timestampKind)`	See `WindowTimeIndictorInputTypeStrategy`.

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

- Field Detail
  - CAST
```
public static final InputTypeStrategy CAST
```
    See CastInputTypeStrategy.
  - REINTERPRET_CAST
```
public static final InputTypeStrategy REINTERPRET_CAST
```
  - MAP
```
public static final InputTypeStrategy MAP
```
    See MapInputTypeStrategy.
  - CURRENT_WATERMARK
```
public static final InputTypeStrategy CURRENT_WATERMARK
```
    See CurrentWatermarkInputTypeStrategy.
  - OVER
```
public static final InputTypeStrategy OVER
```
    See OverTypeStrategy.
  - JSON_ARGUMENT
```
public static final ArgumentTypeStrategy JSON_ARGUMENT
```
    Argument type representing all types supported in a JSON context.
  - JSON_QUERY_ON_EMPTY_ERROR_BEHAVIOUR
```
public static final ArgumentTypeStrategy JSON_QUERY_ON_EMPTY_ERROR_BEHAVIOUR
```
    See JsonQueryOnErrorEmptyArgumentTypeStrategy.
  - ARRAY_ELEMENT_ARG
```
public static final ArgumentTypeStrategy ARRAY_ELEMENT_ARG
```
    Argument type derived from the array element type.
  - ARRAY_FULLY_COMPARABLE
```
public static final ArgumentTypeStrategy ARRAY_FULLY_COMPARABLE
```
    Argument type representing the array is comparable.
  - JSON_OBJECT
```
public static final InputTypeStrategy JSON_OBJECT
```
    Input strategy for BuiltInFunctionDefinitions.JSON_OBJECT.
    The first argument defines the on-null behavior and is followed by any number of key-value pairs. Keys must be character string literals, while values are arbitrary expressions.
  - EXTRACT
```
public static final InputTypeStrategy EXTRACT
```
    See ExtractInputTypeStrategy.
  - TEMPORAL_OVERLAPS
```
public static final InputTypeStrategy TEMPORAL_OVERLAPS
```
    See TemporalOverlapsInputTypeStrategy.
  - INDEX
```
public static final ArgumentTypeStrategy INDEX
```
    Argument type strategy that expects a LogicalTypeFamily.INTEGER_NUMERIC starting from 0.
  - ARRAY
```
public static final InputTypeStrategy ARRAY
```
    Strategy specific for BuiltInFunctionDefinitions.ARRAY.
    It expects at least one argument. All the arguments must have a common super type.
  - TWO_FULLY_COMPARABLE
```
public static final InputTypeStrategy TWO_FULLY_COMPARABLE
```
    Strategy that checks all types are fully comparable with each other. Requires exactly two arguments.
  - TWO_EQUALS_COMPARABLE
```
public static final InputTypeStrategy TWO_EQUALS_COMPARABLE
```
    Strategy that checks all types are equals comparable with each other. Requires exactly two arguments.
  - IN
```
public static final InputTypeStrategy IN
```
    Type strategy specific for BuiltInFunctionDefinitions.IN.
  - LEAD_LAG
```
public static final InputTypeStrategy LEAD_LAG
```
    Type strategy for BuiltInFunctionDefinitions.LAG and { @link BuiltInFunctionDefinitions#LEAD}.
- Method Detail
  - windowTimeIndicator
```
public static InputTypeStrategy windowTimeIndicator(TimestampKind timestampKind)
```
    See WindowTimeIndictorInputTypeStrategy.
  - windowTimeIndicator
```
public static InputTypeStrategy windowTimeIndicator()
```
    See WindowTimeIndictorInputTypeStrategy.
  - percentage
```
public static ArgumentTypeStrategy percentage(boolean expectedNullability)
```
    An ArgumentTypeStrategy that expects a percentage value between [0.0, 1.0].
  - percentageArray
```
public static ArgumentTypeStrategy percentageArray(boolean expectedNullability)
```
    An ArgumentTypeStrategy that expects an array of percentages with each element between [0.0, 1.0].

Class SpecificInputTypeStrategies

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CAST

REINTERPRET_CAST

MAP

CURRENT_WATERMARK

OVER

JSON_ARGUMENT

JSON_QUERY_ON_EMPTY_ERROR_BEHAVIOUR

ARRAY_ELEMENT_ARG

ARRAY_FULLY_COMPARABLE

JSON_OBJECT

EXTRACT

TEMPORAL_OVERLAPS

INDEX

ARRAY

TWO_FULLY_COMPARABLE

TWO_EQUALS_COMPARABLE

IN

LEAD_LAG

Method Detail

windowTimeIndicator

windowTimeIndicator

percentage

percentageArray