Class HashTable_V1<StructType extends AbstractPointer>

java.lang.Object

com.ibm.j9ddr.vm29.j9.HashTable<StructType>

com.ibm.j9ddr.vm29.j9.HashTable_V1<StructType>

All Implemented Interfaces:

IHashTable<StructType>

Direct Known Subclasses:

ModuleHashTable, ObjectToSparseDataHashTable, PackageHashTable

public class HashTable_V1<StructType extends AbstractPointer>
extends HashTable<StructType>

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<StructType>	_comparatorFn
protected HashTable.HashEqualFunction<StructType>	_equalFn
protected HashTable.HashFunction<StructType>	_hashFn
protected Class<StructType>	_structType
protected com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer	_table

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HashTable_V1(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer hashTablePointer, boolean isInline, Class<StructType> structType, HashTable.HashEqualFunction<StructType> equalFn, HashTable.HashFunction<StructType> hashFn)
protected	HashTable_V1(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer hashTablePointer, boolean isInline, Class<StructType> structType, HashTable.HashFunction<StructType> hashFn, com.ibm.j9ddr.vm29.j9.HashTable.HashComparatorFunction<StructType> comparatorFn)

Method Summary

Modifier and Type	Method	Description
StructType	find(StructType 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<StructType>	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

Constructor Details

HashTable_V1

protected HashTable_V1(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer hashTablePointer,
 boolean isInline,
 Class<StructType> structType,
 HashTable.HashEqualFunction<StructType> equalFn,
 HashTable.HashFunction<StructType> hashFn)
                throws CorruptDataException

Throws:

CorruptDataException

HashTable_V1

protected HashTable_V1(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer hashTablePointer,
 boolean isInline,
 Class<StructType> structType,
 HashTable.HashFunction<StructType> hashFn,
 com.ibm.j9ddr.vm29.j9.HashTable.HashComparatorFunction<StructType> comparatorFn)
                throws CorruptDataException

Throws:

CorruptDataException

Method Details

isSpaceOpt

public boolean isSpaceOpt()

getTableName

public String getTableName()

Description copied from class: HashTable

Returns the name of the table

Specified by:

getTableName in interface IHashTable<StructType extends AbstractPointer>

Specified by:

getTableName in class HashTable<StructType extends AbstractPointer>

Returns:

the number of elements in the pool

getCount

public long getCount()

Description copied from class: HashTable

Returns the number of elements in a given pool.

Specified by:

getCount in interface IHashTable<StructType extends AbstractPointer>

Specified by:

getCount in class HashTable<StructType extends AbstractPointer>

Returns:

the number of elements in the pool

find

public StructType find(StructType entry)
                throws CorruptDataException

Description copied from class: HashTable

Find an entry in the hash table.

Specified by:

find in class HashTable<StructType extends AbstractPointer>

Parameters:

entry -

Returns:

NULL if entry is not present in the table; otherwise a pointer to the user-data

Throws:

CorruptDataException

iterator

public SlotIterator<StructType> iterator()

Description copied from class: HashTable

Returns an iterator over the elements in the pool

Specified by:

iterator in interface IHashTable<StructType extends AbstractPointer>

Specified by:

iterator in class HashTable<StructType extends AbstractPointer>

Returns:

an Iterator