Package org.apache.ignite.internal.processors.query

Interface GridQueryProperty

All Known Implementing Classes:

QueryBinaryProperty, QueryClassProperty, QueryUtils.KeyOrValProperty

public interface GridQueryProperty

Description and access method for query entity field.

Method Summary

Modifier and Type	Method	Description
Object	defaultValue()	Gets the default value for this property.
boolean	key()	Property ownership flag.
String	name()
boolean	notNull()	Gets the flag restricting null value for this property.
GridQueryProperty	parent()
int	precision()	Gets precision for this property.
int	scale()	Gets scale for this property.
void	setValue(Object key, Object val, Object propVal)	Sets this property value for the given object.
Class<?>	type()
Object	value(Object key, Object val)	Gets this property value from the given object.

Method Detail

value

Object value(Object key,
             Object val)
      throws IgniteCheckedException

Gets this property value from the given object.

Parameters:

key - Key.

val - Value.

Returns:

Property value.

Throws:

IgniteCheckedException - If failed.

setValue

void setValue(Object key,
              Object val,
              Object propVal)
       throws IgniteCheckedException

Sets this property value for the given object.

Parameters:

key - Key.

val - Value.

propVal - Property value.

Throws:

IgniteCheckedException - If failed.

name

String name()

Returns:

Property name.

type

Class<?> type()

Returns:

Class member type.

key

boolean key()

Property ownership flag.

Returns:

true if this property belongs to key, false if it belongs to value.

parent

GridQueryProperty parent()

Returns:

Parent property or null if this property is not nested.

notNull

boolean notNull()

Gets the flag restricting null value for this property.

Returns:

true if property does not allow null value.

defaultValue

Object defaultValue()

Gets the default value for this property.

Returns:

null if a default value is not set for the property.

precision

int precision()

Gets precision for this property.

Returns:

Precision for a decimal property or -1.

scale

int scale()

Gets scale for this property.

Returns:

Scale for a decimal property or -1.