com.netflix.astyanax.partitioner

Interface Partitioner

All Known Implementing Classes:

EmptyPartitioner

public interface Partitioner

Base interface for token partitioning utilities

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getMaxToken()
java.lang.String	getMinToken()
java.lang.String	getTokenForKey(java.nio.ByteBuffer key) Return the token for the specifie key
java.lang.String	getTokenMinusOne(java.lang.String token)
java.util.List<TokenRange>	splitTokenRange(int count) Split the entire token range into 'count' equal size segments
java.util.List<TokenRange>	splitTokenRange(java.lang.String first, java.lang.String last, int count) Split the token range into N equal size segments and return the start token of each segment

Method Detail

getMinToken

java.lang.String getMinToken()

Returns:

Return the smallest token in the token space

getMaxToken

java.lang.String getMaxToken()

Returns:

Return the largest token in the token space

getTokenMinusOne

java.lang.String getTokenMinusOne(java.lang.String token)

Returns:

Return the token immediately before this one

splitTokenRange

java.util.List<TokenRange> splitTokenRange(java.lang.String first,
                                         java.lang.String last,
                                         int count)

Split the token range into N equal size segments and return the start token of each segment

Parameters:

first -

last -

count -

splitTokenRange

java.util.List<TokenRange> splitTokenRange(int count)

Split the entire token range into 'count' equal size segments

Parameters:

count -

getTokenForKey

java.lang.String getTokenForKey(java.nio.ByteBuffer key)

Return the token for the specifie key

Parameters:

key -