org.apache.flink.table.types.inference

Class Signature.Argument

java.lang.Object

org.apache.flink.table.types.inference.Signature.Argument

Enclosing class:

Signature

@PublicEvolving
public static final class Signature.Argument
extends Object

Representation of a single argument in a signature.

The argument is represented as a String in order to express both explicit types (see of(...)) or groups/families of types (see ofKind(...)).

The general string formatting convention is to use T for explicit types, <T> for groups/families of types, T... for varargs, and [T] for conditions.

Method Summary

Modifier and Type	Method and Description
Optional<String>	getName()
String	getType()
static Signature.Argument	of(LogicalType type)
static Signature.Argument	of(String type)
static Signature.Argument	of(String name, LogicalType type)
static Signature.Argument	of(String name, String type)
static Signature.Argument	ofGroup(Class<? extends Enum<? extends TableSymbol>> symbol)
static Signature.Argument	ofGroup(LogicalTypeFamily typeFamily)
static Signature.Argument	ofGroup(LogicalTypeRoot typeRoot)
static Signature.Argument	ofGroup(String typeGroup)
static Signature.Argument	ofGroup(String name, Class<? extends Enum<? extends TableSymbol>> symbol)
static Signature.Argument	ofGroup(String name, LogicalTypeFamily typeFamily)
static Signature.Argument	ofGroup(String name, LogicalTypeRoot typeRoot)
static Signature.Argument	ofGroup(String name, String typeGroup)
static Signature.Argument	ofGroupVarying(String typeGroup)
static Signature.Argument	ofGroupVarying(String name, String typeGroup)
static Signature.Argument	ofVarying(String type)
static Signature.Argument	ofVarying(String name, String type)

Methods inherited from class java.lang.Object

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

Method Detail

of

public static Signature.Argument of(String name,
                                    String type)

of

public static Signature.Argument of(String name,
                                    LogicalType type)

ofVarying

public static Signature.Argument ofVarying(String name,
                                           String type)

of

public static Signature.Argument of(String type)

of

public static Signature.Argument of(LogicalType type)

ofVarying

public static Signature.Argument ofVarying(String type)

ofGroup

public static Signature.Argument ofGroup(String name,
                                         String typeGroup)

ofGroup

public static Signature.Argument ofGroup(String name,
                                         LogicalTypeRoot typeRoot)

ofGroup

public static Signature.Argument ofGroup(String name,
                                         LogicalTypeFamily typeFamily)

ofGroup

public static Signature.Argument ofGroup(String name,
                                         Class<? extends Enum<? extends TableSymbol>> symbol)

ofGroupVarying

public static Signature.Argument ofGroupVarying(String name,
                                                String typeGroup)

ofGroup

public static Signature.Argument ofGroup(String typeGroup)

ofGroup

public static Signature.Argument ofGroup(LogicalTypeRoot typeRoot)

ofGroup

public static Signature.Argument ofGroup(LogicalTypeFamily typeFamily)

ofGroup

public static Signature.Argument ofGroup(Class<? extends Enum<? extends TableSymbol>> symbol)

ofGroupVarying

public static Signature.Argument ofGroupVarying(String typeGroup)

getName

public Optional<String> getName()

getType

public String getType()