KeyCacheKey (apache-cassandra API)

java.lang.Object
- org.apache.cassandra.cache.CacheKey
- - org.apache.cassandra.cache.KeyCacheKey

All Implemented Interfaces:: IMeasurableMemory

public class KeyCacheKey
extends CacheKey

Field Summary

Fields
Modifier and Type Field Description

Descriptor desc

byte[] key
- Fields inherited from class org.apache.cassandra.cache.CacheKey
  indexName, tableId

Constructor Summary

Constructors
Constructor Description

KeyCacheKey(TableMetadata tableMetadata, Descriptor desc, java.nio.ByteBuffer key)

Method Summary

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

Methods inherited from class org.apache.cassandra.cache.CacheKey
sameTable

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

- Field Detail
  - desc
```
public final Descriptor desc
```
  - key
```
public final byte[] key
```
- Constructor Detail
  - KeyCacheKey
```
public KeyCacheKey(TableMetadata tableMetadata,
                   Descriptor desc,
                   java.nio.ByteBuffer key)
```
- Method Detail
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - unsharedHeapSize
```
public long unsharedHeapSize()
```
    Returns:
    
    the amount of on-heap memory retained by the object that might be reclaimed if the object were reclaimed, i.e. it should try to exclude globally cached data where possible, or counting portions of arrays that are referenced by the object but used by other objects only (e.g. slabbed byte-buffers), etc.
  - equals
```
public boolean equals(java.lang.Object o)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object