com.neocoretechs.rocksack.iterator

Class HeadSetIterator

java.lang.Object

com.neocoretechs.rocksack.iterator.AbstractIterator

com.neocoretechs.rocksack.iterator.HeadSetIterator

All Implemented Interfaces:

java.util.Iterator<java.lang.Object>

Direct Known Subclasses:

HeadSetKVIterator

public class HeadSetIterator
extends AbstractIterator

Iterator for key items of persistent collection strictly less than 'to' element

Author:

Jonathan Groff Copyright (C) NeoCoreTechs 2021,2022

Constructor Summary

Constructors

Constructor and Description
HeadSetIterator(java.lang.Comparable toKey, org.rocksdb.RocksDB db)
HeadSetIterator(java.lang.Comparable toKey, org.rocksdb.RocksDB db, org.rocksdb.ColumnFamilyHandle cfh)
HeadSetIterator(java.lang.Comparable toKey, org.rocksdb.Transaction db)
HeadSetIterator(java.lang.Comparable toKey, org.rocksdb.Transaction db, org.rocksdb.ColumnFamilyHandle cfh)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
java.lang.Object	next()
void	remove()

Methods inherited from class com.neocoretechs.rocksack.iterator.AbstractIterator

getIterator

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

HeadSetIterator

public HeadSetIterator(java.lang.Comparable toKey,
                       org.rocksdb.RocksDB db)
                throws java.io.IOException

Throws:

java.io.IOException

HeadSetIterator

public HeadSetIterator(java.lang.Comparable toKey,
                       org.rocksdb.Transaction db)
                throws java.io.IOException

Throws:

java.io.IOException

HeadSetIterator

public HeadSetIterator(java.lang.Comparable toKey,
                       org.rocksdb.RocksDB db,
                       org.rocksdb.ColumnFamilyHandle cfh)
                throws java.io.IOException

Throws:

java.io.IOException

HeadSetIterator

public HeadSetIterator(java.lang.Comparable toKey,
                       org.rocksdb.Transaction db,
                       org.rocksdb.ColumnFamilyHandle cfh)
                throws java.io.IOException

Throws:

java.io.IOException

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<java.lang.Object>

Specified by:

hasNext in class AbstractIterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator<java.lang.Object>

Specified by:

next in class AbstractIterator

remove

public void remove()