DecoratorDbReader (dice-where 1.3.4 API)

java.lang.Object
- technology.dice.dicewhere.decorator.DecoratorDbReader<T>

Direct Known Subclasses:

MaxmindVpnDecoratorDbReader
```
public abstract class DecoratorDbReader<T extends DecoratorInformation>
extends Object
```
Reads one line at a time from the provided DB. Only hold one line in memory and stop reading when an IP is reached, that is outside of the requested one
T lastFetched holds the last line that was read from the DB The reader will keep reading until it reaches the end of the file or the end of the requested ip range;

Constructor Summary

Constructors
Constructor Description

DecoratorDbReader()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`List<T>`	`fetchForRange(IP rangeBoundStart, IP rangeBoundEnd)`
`protected Optional<T>`	`getLastFetched()`
`protected abstract Optional<T>`	`parseDbLine(String line)`
`protected abstract Optional<T>`	`readNextLine()`
`protected void`	`setLastFetched(T lastFetched)`	The last successfully parsed line read from the provided decorating DB

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

Constructor Detail
- DecoratorDbReader
```
public DecoratorDbReader()
```

Method Detail

getLastFetched

protected Optional<T> getLastFetched()

setLastFetched
```
protected void setLastFetched(T lastFetched)
```
The last successfully parsed line read from the provided decorating DB

Parameters:

lastFetched - set the last fetched line to the passed argument

fetchForRange

public final List<T> fetchForRange(IP rangeBoundStart,
                                   IP rangeBoundEnd)

readNextLine

protected abstract Optional<T> readNextLine()

parseDbLine

protected abstract Optional<T> parseDbLine(String line)