org.apache.flink.api.java.summarize

Class StringColumnSummary

java.lang.Object

org.apache.flink.api.java.summarize.ColumnSummary

org.apache.flink.api.java.summarize.StringColumnSummary

@PublicEvolving
public class StringColumnSummary
extends ColumnSummary

Summary for a column of Strings

Constructor Summary

Constructors

Constructor and Description
StringColumnSummary(long nonNullCount, long nullCount, long emptyCount, Integer minLength, Integer maxLength, Double meanLength)

Method Summary

Methods

Modifier and Type	Method and Description
long	getEmptyCount() Number of empty strings e.g.
Integer	getMaxLength() Longest String length
Double	getMeanLength()
Integer	getMinLength() Shortest String length
long	getNonNullCount() The number of non-null values in this column
long	getNullCount() The number of null values in this column
String	toString()

Methods inherited from class org.apache.flink.api.java.summarize.ColumnSummary

containsNonNull, containsNull, getTotalCount

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StringColumnSummary

public StringColumnSummary(long nonNullCount,
                   long nullCount,
                   long emptyCount,
                   Integer minLength,
                   Integer maxLength,
                   Double meanLength)

Method Detail

getNonNullCount

public long getNonNullCount()

Description copied from class: ColumnSummary

The number of non-null values in this column

Specified by:

getNonNullCount in class ColumnSummary

getNullCount

public long getNullCount()

Description copied from class: ColumnSummary

The number of null values in this column

Specified by:

getNullCount in class ColumnSummary

getEmptyCount

public long getEmptyCount()

Number of empty strings e.g. java.lang.String.isEmpty()

getMinLength

public Integer getMinLength()

Shortest String length

getMaxLength

public Integer getMaxLength()

Longest String length

getMeanLength

public Double getMeanLength()

toString

public String toString()

Overrides:

toString in class Object