TopPartitionTracker.TopHolder (apache-cassandra API)

java.lang.Object
- org.apache.cassandra.metrics.TopPartitionTracker.TopHolder

Enclosing class:: TopPartitionTracker

public static class TopPartitionTracker.TopHolder
extends java.lang.Object

Field Summary

Fields
Modifier and Type Field Description

long lastUpdate

java.util.NavigableSet<TopPartitionTracker.TopPartition> top

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TopPartitionTracker.TopHolder`	`merge(TopPartitionTracker.TopHolder holder, java.util.Collection<Range<Token>> ownedRanges)`	we merge any pre-existing top partitions on to the ones we just collected if they are outside of the range collected.
`java.util.Map<java.lang.String,java.lang.Long>`	`toMap(TableMetadata metadata)`
`java.lang.String`	`toString()`
`void`	`track(DecoratedKey key, long value)`

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

- Field Detail
  - top
```
public final java.util.NavigableSet<TopPartitionTracker.TopPartition> top
```
  - lastUpdate
```
public final long lastUpdate
```
- Method Detail
  - track
```
public void track(DecoratedKey key,
                  long value)
```
  - merge
```
public TopPartitionTracker.TopHolder merge(TopPartitionTracker.TopHolder holder,
                                           java.util.Collection<Range<Token>> ownedRanges)
```
    we merge any pre-existing top partitions on to the ones we just collected if they are outside of the range collected. This means that if a large partition is deleted it will disappear from the top partitions
    
    Parameters:
    
    holder - the newly collected holder - this will get copied and any existing token outside of the collected ranges will get added to the copy
    
    ownedRanges - the ranges this node owns - any existing token outside of these ranges will get dropped
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - toMap
```
public java.util.Map<java.lang.String,java.lang.Long> toMap(TableMetadata metadata)
```