Module org.eclipse.jetty.io

Package org.eclipse.jetty.io

Class ArrayRetainableByteBufferPool

java.lang.Object

org.eclipse.jetty.io.ArrayRetainableByteBufferPool

All Implemented Interfaces:

RetainableByteBufferPool, org.eclipse.jetty.util.component.Dumpable

@ManagedObject
public class ArrayRetainableByteBufferPool
extends java.lang.Object
implements RetainableByteBufferPool, org.eclipse.jetty.util.component.Dumpable

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.jetty.util.component.Dumpable

org.eclipse.jetty.util.component.Dumpable.DumpableContainer

Field Summary

Fields inherited from interface org.eclipse.jetty.util.component.Dumpable

KEY

Constructor Summary

Constructors

Modifier	Constructor	Description
	ArrayRetainableByteBufferPool()
	ArrayRetainableByteBufferPool(int minCapacity, int factor, int maxCapacity, int maxBucketSize)
	ArrayRetainableByteBufferPool(int minCapacity, int factor, int maxCapacity, int maxBucketSize, long maxHeapMemory, long maxDirectMemory)
protected	ArrayRetainableByteBufferPool(int minCapacity, int factor, int maxCapacity, int maxBucketSize, long maxHeapMemory, long maxDirectMemory, java.util.function.Function<java.lang.Integer,java.lang.Integer> bucketIndexFor, java.util.function.Function<java.lang.Integer,java.lang.Integer> bucketCapacity)

Method Summary

Modifier and Type	Method	Description
RetainableByteBuffer	acquire(int size, boolean direct)	Acquires a memory buffer from the pool.
void	clear()
void	dump(java.lang.Appendable out, java.lang.String indent)
long	getAvailableDirectByteBufferCount()
long	getAvailableDirectMemory()
long	getAvailableHeapByteBufferCount()
long	getAvailableHeapMemory()
long	getDirectByteBufferCount()
long	getDirectMemory()
long	getHeapByteBufferCount()
long	getHeapMemory()
int	getMaxCapacity()
int	getMinCapacity()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jetty.util.component.Dumpable

dump, dumpSelf

Constructor Detail

ArrayRetainableByteBufferPool

public ArrayRetainableByteBufferPool()

ArrayRetainableByteBufferPool

public ArrayRetainableByteBufferPool(int minCapacity,
                                     int factor,
                                     int maxCapacity,
                                     int maxBucketSize)

ArrayRetainableByteBufferPool

public ArrayRetainableByteBufferPool(int minCapacity,
                                     int factor,
                                     int maxCapacity,
                                     int maxBucketSize,
                                     long maxHeapMemory,
                                     long maxDirectMemory)

ArrayRetainableByteBufferPool

protected ArrayRetainableByteBufferPool(int minCapacity,
                                        int factor,
                                        int maxCapacity,
                                        int maxBucketSize,
                                        long maxHeapMemory,
                                        long maxDirectMemory,
                                        java.util.function.Function<java.lang.Integer,java.lang.Integer> bucketIndexFor,
                                        java.util.function.Function<java.lang.Integer,java.lang.Integer> bucketCapacity)

Method Detail

getMinCapacity

@ManagedAttribute("The minimum pooled buffer capacity")
public int getMinCapacity()

getMaxCapacity

@ManagedAttribute("The maximum pooled buffer capacity")
public int getMaxCapacity()

acquire

public RetainableByteBuffer acquire(int size,
                                    boolean direct)

Description copied from interface: RetainableByteBufferPool

Acquires a memory buffer from the pool.

Specified by:

acquire in interface RetainableByteBufferPool

Parameters:

size - The size of the buffer. The returned buffer will have at least this capacity.

direct - true if a direct memory buffer is needed, false otherwise.

Returns:

a memory buffer.

getDirectByteBufferCount

@ManagedAttribute("The number of pooled direct ByteBuffers")
public long getDirectByteBufferCount()

getHeapByteBufferCount

@ManagedAttribute("The number of pooled heap ByteBuffers")
public long getHeapByteBufferCount()

getAvailableDirectByteBufferCount

@ManagedAttribute("The number of pooled direct ByteBuffers that are available")
public long getAvailableDirectByteBufferCount()

getAvailableHeapByteBufferCount

@ManagedAttribute("The number of pooled heap ByteBuffers that are available")
public long getAvailableHeapByteBufferCount()

getDirectMemory

@ManagedAttribute("The bytes retained by direct ByteBuffers")
public long getDirectMemory()

getHeapMemory

@ManagedAttribute("The bytes retained by heap ByteBuffers")
public long getHeapMemory()

getAvailableDirectMemory

@ManagedAttribute("The available bytes retained by direct ByteBuffers")
public long getAvailableDirectMemory()

getAvailableHeapMemory

@ManagedAttribute("The available bytes retained by heap ByteBuffers")
public long getAvailableHeapMemory()

clear

@ManagedOperation(value="Clears this RetainableByteBufferPool",
                  impact="ACTION")
public void clear()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

dump

public void dump(java.lang.Appendable out,
                 java.lang.String indent)
          throws java.io.IOException

Specified by:

dump in interface org.eclipse.jetty.util.component.Dumpable

Throws:

java.io.IOException