Module openj9.dtfj

Package com.ibm.j9ddr.vm29.j9

Class Pool<StructType extends DataType>

java.lang.Object

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

Direct Known Subclasses:

Pool_29_V0

public abstract class Pool<StructType extends DataType>
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected long	elementSize
protected static Logger	logger
protected com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer	pool
protected Class<StructType>	structType

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType)

Method Summary

Modifier and Type	Method	Description
abstract long	capacity()	Returns the total capacity of a pool
static <T extends DataType> Pool<T>	fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType)	Factory method to construct an appropriate pool handler.
static <T extends DataType> Pool<T>	fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType, boolean isInline)
abstract boolean	includesElement(StructType anElement)	See if an element is currently allocated from a pool.
abstract SlotIterator<StructType>	iterator()	Returns an iterator over the elements in the pool
abstract long	numElements()	Returns the number of elements in a given pool.

Methods declared in class java.lang.Object

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

Field Detail

pool

protected com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer pool

structType

protected Class<StructType extends DataType> structType

elementSize

protected long elementSize

logger

protected static final Logger logger

Constructor Detail

Pool

protected Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure,
               Class<T> structType)
        throws CorruptDataException

Throws:

CorruptDataException

Method Detail

fromJ9Pool

public static <T extends DataType> Pool<T> fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure,
                                                      Class<T> structType)
                                               throws CorruptDataException

Factory method to construct an appropriate pool handler.

Type Parameters:

T -

Parameters:

structure - the J9Pool structure to use

Returns:

an instance of Pool

Throws:

CorruptDataException

fromJ9Pool

public static <T extends DataType> Pool<T> fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure,
                                                      Class<T> structType,
                                                      boolean isInline)
                                               throws CorruptDataException

Throws:

CorruptDataException

numElements

public abstract long numElements()

Returns the number of elements in a given pool.

Returns:

the number of elements in the pool

capacity

public abstract long capacity()

Returns the total capacity of a pool

Returns:

the capacity of the pool

includesElement

public abstract boolean includesElement(StructType anElement)

See if an element is currently allocated from a pool.

Returns:

boolean - true if the element is allocated, false otherwise

iterator

public abstract SlotIterator<StructType> iterator()

Returns an iterator over the elements in the pool

Returns:

an Iterator