HashCodeBuilder (yangtools-docs 5.0.2 API)

java.lang.Object
- org.opendaylight.yangtools.util.HashCodeBuilder<T>

Type Parameters:

T - Component object type

All Implemented Interfaces:

Builder<Integer>, CheckedBuilder<Integer,IllegalArgumentException>, Mutable, MutationBehaviour<Mutable>
```
public final class HashCodeBuilder<T>
extends Object
implements Builder<Integer>
```
Utility class for incrementally building object hashCode by hashing together component objects, one by one.

Constructor Summary

Constructors
Constructor	Description
`HashCodeBuilder()`	Create a new instance, with internal hash initialized to 1, equivalent of `HashCodeBuilder(1)`.
`HashCodeBuilder(int seedHash)`	Create a new instance, with internal hash set to specified seed.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addArgument(T obj)`	Update the internal hash code with the hash code of a component object.
`@NonNull Integer`	`build()`	Returns instance of the product.
`static int`	`nextHashCode(int hashCode, Object obj)`	Determine the next hash code combining a base hash code and the hash code of an object.

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

- Constructor Detail
  - HashCodeBuilder
```
public HashCodeBuilder()
```
    Create a new instance, with internal hash initialized to 1, equivalent of HashCodeBuilder(1).
  - HashCodeBuilder
```
public HashCodeBuilder(int seedHash)
```
    Create a new instance, with internal hash set to specified seed.
    
    Parameters:
    
    seedHash - Seed hash value
- Method Detail
  - nextHashCode
```
public static int nextHashCode(int hashCode,
                               Object obj)
```
    Determine the next hash code combining a base hash code and the hash code of an object.
    
    Parameters:
    
    hashCode - base hash code
    
    obj - Object to be added
    
    Returns:
    
    Combined hash code
  - addArgument
```
public void addArgument(T obj)
```
    Update the internal hash code with the hash code of a component object.
    
    Parameters:
    
    obj - Component object
  - build
```
public @NonNull Integer build()
```
    Description copied from interface: CheckedBuilder
    
    Returns instance of the product. Multiple calls to this method are not required to return same instance if the state of the builder has changed.
    
    Specified by:
    
    build in interface Builder<T>
    
    Specified by:
    
    build in interface CheckedBuilder<Integer,IllegalArgumentException>
    
    Returns:
    
    A newly-built instance