Package com.apple.foundationdb.record.spatial.common

Class DoubleValueOrParameter

java.lang.Object

com.apple.foundationdb.record.spatial.common.DoubleValueOrParameter

All Implemented Interfaces:

PlanHashable

@API(EXPERIMENTAL)
public abstract class DoubleValueOrParameter
extends Object
implements PlanHashable

A X / Y coordinate value expressed as a constant value or the name of a parameter.

Nested Class Summary

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.PlanHashable

PlanHashable.PlanHashKind, PlanHashable.PlanHashMode

Field Summary

Fields inherited from interface com.apple.foundationdb.record.PlanHashable

CURRENT_FOR_CONTINUATION, CURRENT_LEGACY

Constructor Summary

Constructors

Constructor	Description
DoubleValueOrParameter()

Method Summary

Modifier and Type	Method	Description
abstract Double	getValue(EvaluationContext context)	Get the current value from the query bindings.
static DoubleValueOrParameter	parameter(String parameter)	Get a coordinate for a parameterized value.
static DoubleValueOrParameter	value(double value)	Get a coordinate for a constant value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.apple.foundationdb.record.PlanHashable

planHash, planHash, planHash

Constructor Details

DoubleValueOrParameter

public DoubleValueOrParameter()

Method Details

getValue

public abstract Double getValue(@Nonnull
 EvaluationContext context)

Get the current value from the query bindings.

Parameters:

context - the query context

Returns:

a double value or null.

value

@Nonnull
public static DoubleValueOrParameter value(double value)

Get a coordinate for a constant value.

Parameters:

value - the coordinate value

Returns:

a new coordinate using the given value

parameter

@Nonnull
public static DoubleValueOrParameter parameter(@Nonnull
 String parameter)

Get a coordinate for a parameterized value.

Parameters:

parameter - the parameter name

Returns:

a new coordinate using the given parameter