RowCacheKey (apache-cassandra API)

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

All Implemented Interfaces:: IMeasurableMemory

public final class RowCacheKey
extends CacheKey

Field Summary

Fields
Modifier and Type Field Description

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

Constructor Summary

Constructors
Constructor	Description
`RowCacheKey(TableId tableId, java.lang.String indexName, byte[] key)`
`RowCacheKey(TableId tableId, java.lang.String indexName, java.nio.ByteBuffer key)`
`RowCacheKey(TableMetadata metadata, DecoratedKey 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
  - key
```
public final byte[] key
```
- Constructor Detail
  - RowCacheKey
```
public RowCacheKey(TableId tableId,
                   java.lang.String indexName,
                   byte[] key)
```
  - RowCacheKey
```
public RowCacheKey(TableMetadata metadata,
                   DecoratedKey key)
```
  - RowCacheKey
```
public RowCacheKey(TableId tableId,
                   java.lang.String indexName,
                   java.nio.ByteBuffer key)
```
- Method Detail
  - 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
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object