Package io.github.willena.influxql.ast.field

Class Field

java.lang.Object

io.github.willena.influxql.ast.field.Field

All Implemented Interfaces:

Node

public class Field
extends Object
implements Node

Basic selection Field

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Field.Builder	Field builder static inner class.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
static Field	field(String name)	Build a field by name
static Field	field(String name, DataType type)	Build a field with name and datatype
int	hashCode()
static Field	of(Expression expression)	Build a generic field based on an expression
String	toString()	Convert the current Node to an influxql String that the parser must be able to read.
static Field	wildcard()	Create a wildcard field
static Field	wildcardFields()	Create a field that wildcard all field but not tags
static Field	wildcardTags()	Create a field that wildcard all tags but not field

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Description copied from interface: Node

Convert the current Node to an influxql String that the parser must be able to read.

Specified by:

toString in interface Node

Overrides:

toString in class Object

Returns:

an InfluxQL string

field

public static Field field(String name)

Build a field by name

Parameters:

name - field name

Returns:

a field

field

public static Field field(String name,
                          DataType type)

Build a field with name and datatype

Parameters:

name - name

type - type

Returns:

the Field

wildcard

public static Field wildcard()

Create a wildcard field

Returns:

field

wildcardFields

public static Field wildcardFields()

Create a field that wildcard all field but not tags

Returns:

a field

wildcardTags

public static Field wildcardTags()

Create a field that wildcard all tags but not field

Returns:

a field

of

public static Field of(Expression expression)

Build a generic field based on an expression

Parameters:

expression - the expresion for the field

Returns:

a field