vishnu.model.indexes.hashing
Class StaticHashIndex

java.lang.Object
  vishnu.model.indexes.AbstractIndex
      vishnu.model.indexes.hashing.AbstractHashIndex
          vishnu.model.indexes.hashing.StaticHashIndex

All Implemented Interfaces:

HashIndex, Index

public class StaticHashIndex
extends AbstractHashIndex

 Implementation details:
 
 Index Table Signature
 type:IntegerValue | identifier:IntegerValue | searchKey0: T0 | searchKey1: T1 | ... | searchKeyN: TN  
 
 Al encontrar:
 nextBucketIdentifier==actualBucketIdentifier: fin del bucket 
 

Author:

Hernan Rancati

Nested Class Summary

static interface

StaticHashIndex.Type

Nested classes/interfaces inherited from interface vishnu.model.indexes.hashing.HashIndex

HashIndex.HashingStrategyNotSelectedException

Field Summary

Fields inherited from class vishnu.model.indexes.AbstractIndex

context

Fields inherited from interface vishnu.model.indexes.Index

BTREE, CLUSTERED, HASH, UNIQUE

Constructor Summary

StaticHashIndex(java.lang.String name, boolean isUnique, boolean isClustered, java.util.List<java.lang.String> searchKeys)

Method Summary

protected void	create()
protected void	createBucketPage(int bucketPage)
protected void	createBuckets()
Record	createSearchKeyRecord()
protected TableSignature	indexSignature()
protected void	initialize()
RecordSet	matchingRecords(Record searchKeyValues)
void	notifyInsert(Record r)
protected void	open()
TableSignature	searchSignature()

Methods inherited from class vishnu.model.indexes.hashing.AbstractHashIndex

hashingStrategy, hashingStrategy

Methods inherited from class vishnu.model.indexes.AbstractIndex

attach, database, getStructure, getStructureIdentifier, getTable, isClustered, isUnique, name, notifyDelete, notifyUpdate, searchKeys, userContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface vishnu.model.indexes.Index

attach, getStructure, getStructureIdentifier, isClustered, isUnique, name, notifyDelete, notifyUpdate, searchKeys

Constructor Detail

StaticHashIndex

public StaticHashIndex(java.lang.String name,
                       boolean isUnique,
                       boolean isClustered,
                       java.util.List<java.lang.String> searchKeys)

Method Detail

matchingRecords

public RecordSet matchingRecords(Record searchKeyValues)

initialize

protected void initialize()

open

protected void open()

create

protected void create()

createBuckets

protected void createBuckets()

createBucketPage

protected void createBucketPage(int bucketPage)

indexSignature

protected TableSignature indexSignature()

notifyInsert

public void notifyInsert(Record r)

searchSignature

public TableSignature searchSignature()

createSearchKeyRecord

public Record createSearchKeyRecord()