org.apache.cassandra.db

Class AbstractBufferClusteringPrefix

java.lang.Object

org.apache.cassandra.db.AbstractOnHeapClusteringPrefix<java.nio.ByteBuffer>

org.apache.cassandra.db.AbstractBufferClusteringPrefix

All Implemented Interfaces:

IMeasurableMemory, Clusterable<java.nio.ByteBuffer>, ClusteringPrefix<java.nio.ByteBuffer>

Direct Known Subclasses:

BufferClustering, BufferClusteringBoundOrBoundary

public abstract class AbstractBufferClusteringPrefix
extends AbstractOnHeapClusteringPrefix<java.nio.ByteBuffer>

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.db.ClusteringPrefix

ClusteringPrefix.Deserializer, ClusteringPrefix.Kind, ClusteringPrefix.Serializer

Field Summary

Fields

Modifier and Type	Field and Description
static java.nio.ByteBuffer[]	EMPTY_VALUES_ARRAY

Fields inherited from class org.apache.cassandra.db.AbstractOnHeapClusteringPrefix

kind, values

Fields inherited from interface org.apache.cassandra.db.ClusteringPrefix

serializer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBufferClusteringPrefix(ClusteringPrefix.Kind kind, java.nio.ByteBuffer[] values)

Method Summary

Modifier and Type	Method and Description
ValueAccessor<java.nio.ByteBuffer>	accessor()
java.nio.ByteBuffer[]	getBufferArray()
ClusteringPrefix<java.nio.ByteBuffer>	minimize() If the prefix contains byte buffers that can be minimized (see ByteBufferUtil.minimalBufferFor(ByteBuffer)), this will return a copy of the prefix with minimized values, otherwise it returns itself.

Methods inherited from class org.apache.cassandra.db.AbstractOnHeapClusteringPrefix

clustering, equals, get, getRawValues, hashCode, kind, size

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.cassandra.db.ClusteringPrefix

bufferAt, dataSize, digest, equals, equals, hashCode, isBottom, isEmpty, isTop, serializeAsPartitionKey, stringAt, toString, validate

Methods inherited from interface org.apache.cassandra.cache.IMeasurableMemory

unsharedHeapSize

Field Detail

EMPTY_VALUES_ARRAY

public static final java.nio.ByteBuffer[] EMPTY_VALUES_ARRAY

Constructor Detail

AbstractBufferClusteringPrefix

protected AbstractBufferClusteringPrefix(ClusteringPrefix.Kind kind,
                                         java.nio.ByteBuffer[] values)

Method Detail

accessor

public ValueAccessor<java.nio.ByteBuffer> accessor()

getBufferArray

public java.nio.ByteBuffer[] getBufferArray()

minimize

public ClusteringPrefix<java.nio.ByteBuffer> minimize()

Description copied from interface: ClusteringPrefix

If the prefix contains byte buffers that can be minimized (see ByteBufferUtil.minimalBufferFor(ByteBuffer)), this will return a copy of the prefix with minimized values, otherwise it returns itself.