org.apache.commons.collections.buffer

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Java Source Code / Java Documentation » Library » Apache commons Collections 3.2.1 » org.apache.commons.collections.buffer

org.apache.commons.collections.buffer
This package contains implementations of the {@link org.apache.commons.collections.Buffer Buffer} interface. The following implementations are provided in the package: PriorityBuffer - provides for removal based on a comparator ordering BoundedFifoBuffer - implements a buffer with a fixed size that throws exceptions when full CircularFifoBuffer - implements a buffer with a fixed size that discards oldest when full UnboundedFifoBuffer - implements a buffer that grows in size if necessary The following decorators are provided in the package: Synchronized - synchronizes method access for multi-threaded environments Unmodifiable - ensures the collection cannot be altered Predicated - ensures that only elements that are valid according to a predicate can be added Typed - ensures that only elements that are of a specific type can be added Transformed - transforms elements added to the buffer Blocking - blocks on get and remove until an element is available
Java Source File Name	Type	Comment
AbstractBufferDecorator.java	Class	Decorates another `Buffer` to provide additional behaviour.
BlockingBuffer.java	Class	Decorates another `Buffer` to make BlockingBuffer.get() and BlockingBuffer.remove() block when the `Buffer` is empty.
BoundedBuffer.java	Class	Decorates another `Buffer` to ensure a fixed maximum size. Note: This class should only be used if you need to add bounded behaviour to another buffer.
BoundedFifoBuffer.java	Class	The BoundedFifoBuffer is a very efficient implementation of `Buffer` that is of a fixed size. The removal order of a `BoundedFifoBuffer` is based on the insertion order; elements are removed in the same order in which they were added.
CircularFifoBuffer.java	Class	CircularFifoBuffer is a first in first out buffer with a fixed size that replaces its oldest element if full. The removal order of a `CircularFifoBuffer` is based on the insertion order; elements are removed in the same order in which they were added.
PredicatedBuffer.java	Class	Decorates another `Buffer` to validate that additions match a specified predicate.
PriorityBuffer.java	Class	Binary heap implementation of `Buffer` that provides for removal based on `Comparator` ordering. The removal order of a binary heap is based on either the natural sort order of its elements or a specified Comparator .
SynchronizedBuffer.java	Class	Decorates another `Buffer` to synchronize its behaviour for a multi-threaded environment.
TestAll.java	Class	Entry point for tests.
TestBlockingBuffer.java	Class	Extension of AbstractTestObject for exercising the BlockingBuffer implementation.
TestBoundedBuffer.java	Class
TestBoundedFifoBuffer.java	Class	Test cases for BoundedFifoBuffer.
TestBoundedFifoBuffer2.java	Class	Runs tests against a full BoundedFifoBuffer, since many of the algorithms differ depending on whether the fifo is full or not.
TestCircularFifoBuffer.java	Class	Test cases for CircularFifoBuffer.
TestPredicatedBuffer.java	Class	Extension of TestPredicatedCollection for exercising the PredicatedBuffer implementation.
TestPriorityBuffer.java	Class	Tests the PriorityBuffer. version: $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $ author: Michael A.
TestSynchronizedBuffer.java	Class	Extension of AbstractTestCollection for exercising the SynchronizedBuffer implementation.
TestTransformedBuffer.java	Class	Extension of TestBuffer for exercising the TransformedBuffer implementation.
TestUnboundedFifoBuffer.java	Class	Test cases for UnboundedFifoBuffer.
TestUnmodifiableBuffer.java	Class	Extension of AbstractTestCollection for exercising the UnmodifiableBuffer implementation.
TransformedBuffer.java	Class	Decorates another `Buffer` to transform objects that are added.
TypedBuffer.java	Class	Decorates another `Buffer` to validate that elements added are of a specific type. The validation of additions is performed via an instanceof test against a specified `Class`.
UnboundedFifoBuffer.java	Class	UnboundedFifoBuffer is a very efficient implementation of `Buffer` that can grow to any size. According to performance testing, it exhibits a constant access time, but it also outperforms ArrayList when used for the same purpose. The removal order of an `UnboundedFifoBuffer` is based on the insertion order; elements are removed in the same order in which they were added. The iteration order is the same as the removal order. The UnboundedFifoBuffer.remove() and UnboundedFifoBuffer.get() operations perform in constant time. The UnboundedFifoBuffer.add(Object) operation performs in amortized constant time.
UnmodifiableBuffer.java	Class	Decorates another `Buffer` to ensure it can't be altered.

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