MapBackedDouble (utils.mapqua 3.2.0 API)

java.lang.Object
- com.legyver.utils.mapqua.mapbacked.MapBackedProperty<java.lang.Double>
- - com.legyver.utils.mapqua.mapbacked.MapBackedDouble

```
public class MapBackedDouble
extends MapBackedProperty<java.lang.Double>
```
A Double variable that can be represented as a key-value pair in the POJO internal Map

Field Summary
- Fields inherited from class com.legyver.utils.mapqua.mapbacked.MapBackedProperty
  property, sourceMap, valueIfMissing

Constructor Summary

Constructors
Constructor	Description
`MapBackedDouble(java.util.Map sourceMap, java.lang.String property)`	Construct a MapBackedDouble with a certain property name and default value of 0.0
`MapBackedDouble(java.util.Map sourceMap, java.lang.String property, java.lang.Double valueIfMissing)`	Construct a MapBackedDouble with a certain property name and default value

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

protected java.util.Optional<java.lang.Double> queryOption()
Hook to allow the property to be queryable
- Methods inherited from class com.legyver.utils.mapqua.mapbacked.MapBackedProperty
  get, set
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MapBackedDouble
```
public MapBackedDouble(java.util.Map sourceMap,
                       java.lang.String property,
                       java.lang.Double valueIfMissing)
```
    Construct a MapBackedDouble with a certain property name and default value
    
    Parameters:
    
    sourceMap - Map to store the Double value in
    
    property - Key name of the property
    
    valueIfMissing - value to set if missing
  - MapBackedDouble
```
public MapBackedDouble(java.util.Map sourceMap,
                       java.lang.String property)
```
    Construct a MapBackedDouble with a certain property name and default value of 0.0
    
    Parameters:
    
    sourceMap - Map to store the Double value in
    
    property - Key name of the property
- Method Detail
  - queryOption
```
protected java.util.Optional<java.lang.Double> queryOption()
                                                    throws com.legyver.core.exception.CoreException
```
    Description copied from class: MapBackedProperty
    
    Hook to allow the property to be queryable
    
    Specified by:
    
    queryOption in class MapBackedProperty<java.lang.Double>
    
    Returns:
    
    the query option to use for the Property
    
    Throws:
    
    com.legyver.core.exception.CoreException - if there is a problem marshalling to/from JSON