Functions.SelectorEqualityComparer (Apache Calcite API)

java.lang.Object
- org.apache.calcite.linq4j.function.Functions.SelectorEqualityComparer<T,T2>

Type Parameters:

T - element type

T2 - target type

All Implemented Interfaces:

EqualityComparer<T>

Enclosing class:

Functions
```
private static final class Functions.SelectorEqualityComparer<T,T2>
extends java.lang.Object
implements EqualityComparer<T>
```
Selector equality comparer.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  private Function1<T,T2> selector
- Constructor Summary
  
  Constructors
  Constructor Description
  
  SelectorEqualityComparer(Function1<T,T2> selector)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean equal(T v1, T v2)
  
  int hashCode(T t)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

selector

private final Function1<T,T2> selector

Constructor Detail

SelectorEqualityComparer

SelectorEqualityComparer(Function1<T,T2> selector)

Method Detail
- equal
```
public boolean equal(T v1,
                     T v2)
```
  Specified by:
  
  equal in interface EqualityComparer<T>
- hashCode
```
public int hashCode(T t)
```
  Specified by:
  
  hashCode in interface EqualityComparer<T>