BucketResolver (container-search 7.483.19 API)

java.lang.Object
- com.yahoo.search.grouping.request.BucketResolver

```
public class BucketResolver
extends java.lang.Object
```
This is a helper class for resolving buckets to a list of GroupingExpression objects. To resolve a list simply push(ConstantValue, boolean) onto it, before calling resolve(GroupingExpression) to retrieve the list of corresponding grouping expression object.

Author:

Simon Thoresen Hult

Constructor Summary

Constructors
Constructor Description

BucketResolver()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`BucketResolver`	`push(ConstantValue<?> val, boolean inclusive)`	Pushes the given expression onto this bucket resolver.
`PredefinedFunction`	`resolve(GroupingExpression exp)`	Resolves and returns the list of grouping expressions that correspond to the previously pushed buckets.

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

- Constructor Detail
  - BucketResolver
```
public BucketResolver()
```
- Method Detail
  - push
```
public BucketResolver push(ConstantValue<?> val,
                           boolean inclusive)
```
    Pushes the given expression onto this bucket resolver. Once all buckets have been pushed using this method, call resolve(GroupingExpression) to retrieve to combined grouping expression.
    
    Parameters:
    
    val - the expression to push
    
    inclusive - whether or not the value is inclusive or not
    
    Throws:
    
    java.lang.IllegalArgumentException - thrown if the expression is incompatible
  - resolve
```
public PredefinedFunction resolve(GroupingExpression exp)
```
    Resolves and returns the list of grouping expressions that correspond to the previously pushed buckets.
    
    Parameters:
    
    exp - The expression to assign to the function.
    
    Returns:
    
    The list corresponding to the pushed buckets.