BaseStatistics (Flink : 2.0-SNAPSHOT API)

All Known Implementing Classes:

FileInputFormat.FileBaseStatistics
```
@Public
public interface BaseStatistics
```
Interface describing the basic statistics that can be obtained from the input.

Field Summary

Fields
Modifier and Type	Field	Description
`static float`	`AVG_RECORD_BYTES_UNKNOWN`	Constant indicating that average record width is unknown.
`static long`	`NUM_RECORDS_UNKNOWN`	Constant indicating that the number of records is unknown;
`static long`	`SIZE_UNKNOWN`	Constant indicating that the input size is unknown.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`float`	`getAverageRecordWidth()`	Gets the average width of a record, in bytes.
`long`	`getNumberOfRecords()`	Gets the number of records in the input (= base cardinality).
`long`	`getTotalInputSize()`	Gets the total size of the input.

- Field Detail
  - SIZE_UNKNOWN
```
@PublicEvolving
static final long SIZE_UNKNOWN
```
    Constant indicating that the input size is unknown.
    
    See Also:
    
    Constant Field Values
  - NUM_RECORDS_UNKNOWN
```
@PublicEvolving
static final long NUM_RECORDS_UNKNOWN
```
    Constant indicating that the number of records is unknown;
    
    See Also:
    
    Constant Field Values
  - AVG_RECORD_BYTES_UNKNOWN
```
@PublicEvolving
static final float AVG_RECORD_BYTES_UNKNOWN
```
    Constant indicating that average record width is unknown.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - getTotalInputSize
```
@PublicEvolving
long getTotalInputSize()
```
    Gets the total size of the input.
    
    Returns:
    
    The total size of the input, in bytes.
  - getNumberOfRecords
```
@PublicEvolving
long getNumberOfRecords()
```
    Gets the number of records in the input (= base cardinality).
    
    Returns:
    
    The number of records in the input.
  - getAverageRecordWidth
```
@PublicEvolving
float getAverageRecordWidth()
```
    Gets the average width of a record, in bytes.
    
    Returns:
    
    The average width of a record in bytes.