com.alexkasko.unsafe.offheapstruct

Class OffHeapStructSorterByReference.ReferenceIterator

java.lang.Object

com.alexkasko.unsafe.offheapstruct.OffHeapStructSorterByReference.ReferenceIterator

All Implemented Interfaces:

OffHeapDisposable, OffHeapDisposableIterator<byte[]>, Iterator<byte[]>

Enclosing class:

OffHeapStructSorterByReference

private static class OffHeapStructSorterByReference.ReferenceIterator
extends Object
implements OffHeapDisposableIterator<byte[]>

Iterator returning data elements in the order specified by indices array

Field Summary

Fields

Modifier and Type	Field and Description
private byte[]	buf
private OffHeapStructCollection	data
private long	ii
private OffHeapLongArray	index
private long	size

Constructor Summary

Constructors

Modifier	Constructor and Description
private	OffHeapStructSorterByReference.ReferenceIterator(OffHeapStructCollection data, OffHeapLongArray index) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	free() Frees allocated memory, may be called multiple times from any thread
boolean	hasNext()
byte[]	next()
void	remove()
long	size() Optional method, should return size of the underlying collections, if such size is known on iterator creation or -1 otherwise
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

data

private final OffHeapStructCollection data

index

private final OffHeapLongArray index

buf

private final byte[] buf

size

private final long size

ii

private long ii

Constructor Detail

OffHeapStructSorterByReference.ReferenceIterator

private OffHeapStructSorterByReference.ReferenceIterator(OffHeapStructCollection data,
                                                OffHeapLongArray index)

Constructor

Parameters:

data - data to iterate over

index - sorted index

Method Detail

size

public long size()

Optional method, should return size of the underlying collections, if such size is known on iterator creation or -1 otherwise

Specified by:

size in interface OffHeapDisposableIterator<byte[]>

Returns:

number of elements in iterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<byte[]>

next

public byte[] next()

Specified by:

next in interface Iterator<byte[]>

remove

public void remove()

Specified by:

remove in interface Iterator<byte[]>

free

public void free()

Frees allocated memory, may be called multiple times from any thread

Specified by:

free in interface OffHeapDisposable

toString

public String toString()

Overrides:

toString in class Object