CacheUniqueKey

java.lang.Object
- org.datanucleus.cache.CacheUniqueKey

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<CacheUniqueKey>
```
public class CacheUniqueKey
extends java.lang.Object
implements java.io.Serializable, java.lang.Comparable<CacheUniqueKey>
```
Key representing a unique key for a persistable object. This is used to cache a CachedPC against a key other than its primary key.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

(package private) int hashCode

private static long serialVersionUID

(package private) java.lang.String toString

Constructor Summary

Constructors
Constructor	Description
`CacheUniqueKey(java.lang.String className, java.lang.String[] fieldNames, java.lang.Object[] fieldValues)`	Constructor for a unique cache key.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compareTo(CacheUniqueKey o)`
`boolean`	`equals(java.lang.Object other)`
`boolean`	`equals(CacheUniqueKey other)`
`int`	`hashCode()`
`java.lang.String`	`toString()`

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

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    See Also:
    
    Constant Field Values
  - toString
```
java.lang.String toString
```
  - hashCode
```
int hashCode
```
- Constructor Detail
  - CacheUniqueKey
```
public CacheUniqueKey(java.lang.String className,
                      java.lang.String[] fieldNames,
                      java.lang.Object[] fieldValues)
```
    Constructor for a unique cache key.
    
    Parameters:
    
    className - Name of the class of the persistable object
    
    fieldNames - Names of the fields used to form the unique key
    
    fieldValues - Values of the fields used to form the unique key
- Method Detail
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - compareTo
```
public int compareTo(CacheUniqueKey o)
```
    Specified by:
    
    compareTo in interface java.lang.Comparable<CacheUniqueKey>
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - equals
```
public boolean equals(CacheUniqueKey other)
```
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object