FileAppender

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Implementing Classes:

ManifestWriter, ParquetWriteAdapter, PuffinWriter
```
public interface FileAppender<D>
extends java.io.Closeable
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`add(D datum)`
`default void`	`addAll(java.lang.Iterable<D> values)`
`default void`	`addAll(java.util.Iterator<D> values)`
`long`	`length()`	Returns the length of this file.
`Metrics`	`metrics()`	Returns `Metrics` for this file.
`default java.util.List<java.lang.Long>`	`splitOffsets()`	Returns a list of recommended split locations, if applicable, null otherwise.

Methods inherited from interface java.io.Closeable
close

- Method Detail
  - add
```
void add(D datum)
```
  - addAll
```
default void addAll(java.util.Iterator<D> values)
```
  - addAll
```
default void addAll(java.lang.Iterable<D> values)
```
  - metrics
```
Metrics metrics()
```
    Returns Metrics for this file. Only valid after the file is closed.
  - length
```
long length()
```
    Returns the length of this file.
  - splitOffsets
```
default java.util.List<java.lang.Long> splitOffsets()
```
    Returns a list of recommended split locations, if applicable, null otherwise.
    When available, this information is used for planning scan tasks whose boundaries are determined by these offsets. The returned list must be sorted in ascending order. Only valid after the file is closed.