DescendingPrefixIterator (Yamcs :: Core 5.2.3 API)

java.lang.Object
- org.yamcs.yarch.rocksdb.DescendingPrefixIterator

All Implemented Interfaces:

AutoCloseable, DbIterator
```
public class DescendingPrefixIterator
extends Object
implements DbIterator
```
Wrapper around RocksDb iterator that iterates all the keys with a prefix in descending order

Constructor Summary

Constructors
Constructor Description

DescendingPrefixIterator(org.rocksdb.RocksIterator it, byte[] prefix)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`boolean`	`isValid()`
`byte[]`	`key()`
`void`	`next()`
`void`	`prev()`
`byte[]`	`value()`

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

- Constructor Detail
  - DescendingPrefixIterator
```
public DescendingPrefixIterator(org.rocksdb.RocksIterator it,
                                byte[] prefix)
```
- Method Detail
  - isValid
```
public boolean isValid()
```
    Specified by:
    
    isValid in interface DbIterator
  - next
```
public void next()
```
    Specified by:
    
    next in interface DbIterator
  - prev
```
public void prev()
```
    Specified by:
    
    prev in interface DbIterator
  - key
```
public byte[] key()
```
    Specified by:
    
    key in interface DbIterator
  - value
```
public byte[] value()
```
    Specified by:
    
    value in interface DbIterator
  - close
```
public void close()
```
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface DbIterator