CompositeKey

java.lang.Object
- org.openjdk.jmc.common.util.CompositeKey

```
public final class CompositeKey
extends java.lang.Object
```
A class that can be used to combine multiple objects as one key. Useful for example in maps.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  private int m_hashCode
  
  private java.lang.Object[] m_keys
- Constructor Summary
  
  Constructors
  Constructor Description
  
  CompositeKey(java.lang.Object[] keys)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean equals(java.lang.Object that)
  
  java.lang.Object[] getKeyElements()
  
  int hashCode()
  - Methods inherited from class java.lang.Object
    clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - m_hashCode
```
private final int m_hashCode
```
  - m_keys
```
private final java.lang.Object[] m_keys
```
- Constructor Detail
  - CompositeKey
```
public CompositeKey(java.lang.Object[] keys)
```
    Parameters:
    
    keys - array of key objects
- Method Detail
  - getKeyElements
```
public java.lang.Object[] getKeyElements()
```
    Returns:
    
    the array of key objects
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object that)
```
    Overrides:
    
    equals in class java.lang.Object