Class ObjectToSparseDataHashTable

java.lang.Object

com.ibm.j9ddr.vm29.j9.HashTable<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>

com.ibm.j9ddr.vm29.j9.HashTable_V1<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>

com.ibm.j9ddr.vm29.j9.ObjectToSparseDataHashTable

All Implemented Interfaces:

IHashTable<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>

public final class ObjectToSparseDataHashTable
extends HashTable_V1<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>

ObjectToSparseDataHashTable is used for accessing hash tables HashTable in SparseDataTableEntry MM_SparseDataTableEntryPointer (e.g. iterator).

Nested Class Summary

Nested classes/interfaces declared in class HashTable

HashTable.HashEqualFunction<StructType>, HashTable.HashFunction<StructType>

Modifier and Type	Class	Description
static interface	HashTable.HashEqualFunction<StructType>	Encapsulation of the equal function needed by the HashTable
static interface	HashTable.HashFunction<StructType>	Encapsulation of the hash function needed by the HashTable

Field Summary

Fields declared in class HashTable

_comparatorFn, _equalFn, _hashFn, _structType, _table

Modifier and Type	Field	Description
protected com.ibm.j9ddr.vm29.j9.HashTable.HashComparatorFunction<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>	_comparatorFn
protected HashTable.HashEqualFunction<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>	_equalFn
protected HashTable.HashFunction<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>	_hashFn
protected Class<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>	_structType
protected com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer	_table

Method Summary

Modifier and Type	Method	Description
static HashTable<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>	fromJ9HashTable(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer structure)	Opens J9HashTable from J9HashTablePointer.

Methods declared in class HashTable_V1

find, getCount, getTableName, isSpaceOpt, iterator

Modifier and Type	Method	Description
com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer	find(com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer entry)	Find an entry in the hash table.
long	getCount()	Returns the number of elements in a given pool.
String	getTableName()	Returns the name of the table
boolean	isSpaceOpt()
SlotIterator<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer>	iterator()	Returns an iterator over the elements in the pool

Methods declared in class HashTable

fromJ9HashTable, fromJ9HashTable

Modifier and Type	Method	Description
static <T extends AbstractPointer> HashTable<T>	fromJ9HashTable(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer structure, boolean isInline, Class<T> structType, HashTable.HashEqualFunction<T> equalFn, HashTable.HashFunction<T> hashFn)	Factory method to construct an appropriate hashtable handler.
static <T extends AbstractPointer> HashTable<T>	fromJ9HashTable(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer structure, boolean isInline, Class<T> structType, HashTable.HashFunction<T> hashFn, com.ibm.j9ddr.vm29.j9.HashTable.HashComparatorFunction<T> comparatorFn)	Factory method to construct an appropriate hashtable handler.

Methods declared in class Object

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

Method Details

fromJ9HashTable

public static HashTable<com.ibm.j9ddr.vm29.pointer.generated.MM_SparseDataTableEntryPointer> fromJ9HashTable(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer structure)
                                                                                                      throws CorruptDataException

Opens J9HashTable from J9HashTablePointer.

Parameters:

structure - the J9HashTablePointer

Throws:

CorruptDataException - when fails to read from structure