ConstantValue (Solr 9.0.0 analytics API)

java.lang.Object
- org.apache.solr.analytics.value.constant.ConstantValue

All Implemented Interfaces:

AnalyticsValue, AnalyticsValueStream

Direct Known Subclasses:

ConstantBooleanValue, ConstantDateValue, ConstantDoubleValue, ConstantFloatValue, ConstantIntValue, ConstantLongValue, ConstantStringValue
```
public abstract class ConstantValue
extends Object
implements AnalyticsValue
```
The parent class of all constant Analytics values.
Constant values can be specified in the following ways in analytics requests:
- Constant booleans must match one of the following in any case: true, t, false, f
- Constant strings must be surrounded with "s or 's
- Constant numbers do not have to be surrounded with anything (floats are currently not supported)
- Constant dates must be formated in the ISO-8601 instant format

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.solr.analytics.value.AnalyticsValue
  AnalyticsValue.AbstractAnalyticsValue
- Nested classes/interfaces inherited from interface org.apache.solr.analytics.value.AnalyticsValueStream
  AnalyticsValueStream.AbstractAnalyticsValueStream, AnalyticsValueStream.ExpressionType

Field Summary

Fields
Modifier and Type Field Description

static ExpressionFactory.ConstantFunction creatorFunction

Constructor Summary

Constructors
Constructor Description

ConstantValue()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`AnalyticsValue`	`convertToConstant()`	Converts this value to a `ConstantValue` if it's expression type is `AnalyticsValueStream.ExpressionType.CONST`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.solr.analytics.value.AnalyticsValue
exists, getObject

Methods inherited from interface org.apache.solr.analytics.value.AnalyticsValueStream
getExpressionStr, getExpressionType, getName, streamObjects

- Field Detail
  - creatorFunction
```
public static final ExpressionFactory.ConstantFunction creatorFunction
```
- Constructor Detail
  - ConstantValue
```
public ConstantValue()
```
- Method Detail
  - convertToConstant
```
public AnalyticsValue convertToConstant()
```
    Description copied from interface: AnalyticsValueStream
    
    Converts this value to a ConstantValue if it's expression type is AnalyticsValueStream.ExpressionType.CONST.
    If the value is reduced then no conversion will occur and the value itself will be returned.
    
    Specified by:
    
    convertToConstant in interface AnalyticsValueStream
    
    Returns:
    
    a constant representation of this value