public class ByteOrderedPartitioner extends java.lang.Object implements IPartitioner
| Modifier and Type | Class and Description |
|---|---|
static class |
ByteOrderedPartitioner.BytesToken |
| Modifier and Type | Field and Description |
|---|---|
static java.math.BigInteger |
BYTE_MASK |
static ByteOrderedPartitioner |
instance |
static ByteOrderedPartitioner.BytesToken |
MINIMUM |
| Constructor and Description |
|---|
ByteOrderedPartitioner() |
| Modifier and Type | Method and Description |
|---|---|
DecoratedKey |
decorateKey(java.nio.ByteBuffer key)
Transform key to object representation of the on-disk format.
|
java.util.Map<Token,java.lang.Float> |
describeOwnership(java.util.List<Token> sortedTokens)
Calculate the deltas between tokens in the ring in order to compare
relative sizes.
|
ByteOrderedPartitioner.BytesToken |
getMinimumToken() |
ByteOrderedPartitioner.BytesToken |
getRandomToken() |
ByteOrderedPartitioner.BytesToken |
getRandomToken(java.util.Random random) |
ByteOrderedPartitioner.BytesToken |
getToken(java.nio.ByteBuffer key) |
Token.TokenFactory |
getTokenFactory() |
AbstractType<?> |
getTokenValidator() |
ByteOrderedPartitioner.BytesToken |
midpoint(Token lt,
Token rt)
Calculate a Token representing the approximate "middle" of the given
range.
|
AbstractType<?> |
partitionOrdering()
Abstract type that orders the same way as DecoratedKeys provided by this partitioner.
|
boolean |
preservesOrder() |
Token |
split(Token left,
Token right,
double ratioToLeft)
Calculate a Token which take approximate 0 <= ratioToLeft <= 1 ownership of the given range.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitgetMaximumToken, splitterpublic static final ByteOrderedPartitioner.BytesToken MINIMUM
public static final java.math.BigInteger BYTE_MASK
public static final ByteOrderedPartitioner instance
public ByteOrderedPartitioner.BytesToken getToken(java.nio.ByteBuffer key)
getToken in interface IPartitionerpublic DecoratedKey decorateKey(java.nio.ByteBuffer key)
IPartitionerdecorateKey in interface IPartitionerkey - the raw, client-facing keypublic ByteOrderedPartitioner.BytesToken midpoint(Token lt, Token rt)
IPartitionermidpoint in interface IPartitionerpublic Token split(Token left, Token right, double ratioToLeft)
IPartitionersplit in interface IPartitionerpublic ByteOrderedPartitioner.BytesToken getMinimumToken()
getMinimumToken in interface IPartitionerpublic ByteOrderedPartitioner.BytesToken getRandomToken()
getRandomToken in interface IPartitionerpublic ByteOrderedPartitioner.BytesToken getRandomToken(java.util.Random random)
getRandomToken in interface IPartitionerrandom - instance of Random to use when generating the tokenpublic Token.TokenFactory getTokenFactory()
getTokenFactory in interface IPartitionerpublic boolean preservesOrder()
preservesOrder in interface IPartitionerpublic java.util.Map<Token,java.lang.Float> describeOwnership(java.util.List<Token> sortedTokens)
IPartitionerdescribeOwnership in interface IPartitionersortedTokens - a sorted List of Tokenspublic AbstractType<?> getTokenValidator()
getTokenValidator in interface IPartitionerpublic AbstractType<?> partitionOrdering()
IPartitionerpartitionOrdering in interface IPartitionerCopyright © 2018 The Apache Software Foundation