CyclicBuffer

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概要:
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字段 |
构造器 |
方法

详细资料:
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构造器 |
方法

java.lang.Object
- com.fr.third.apache.log4j.helpers.CyclicBuffer

```
public class CyclicBuffer
extends java.lang.Object
```
CyclicBuffer is used by other appenders to hold LoggingEvents for immediate or differed display.
This buffer gives read access to any element in the buffer not just the first or last element.

从以下版本开始:

0.9.0

作者:

Ceki Gülcü

构造器概要

构造器
构造器和说明

CyclicBuffer(int maxSize)
Instantiate a new CyclicBuffer of at most maxSize events.

方法概要

方法
限定符和类型	方法和说明
`void`	`add(LoggingEvent event)` Add an `event` as the last event in the buffer.
`LoggingEvent`	`get()` Get the oldest (first) element in the buffer.
`LoggingEvent`	`get(int i)` Get the ith oldest event currently in the buffer.
`int`	`getMaxSize()`
`int`	`length()` Get the number of elements in the buffer.
`void`	`resize(int newSize)` Resize the cyclic buffer to `newSize`.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - CyclicBuffer
```
public CyclicBuffer(int maxSize)
             throws java.lang.IllegalArgumentException
```
    Instantiate a new CyclicBuffer of at most maxSize events. The maxSize argument must a positive integer.
    
    参数:
    maxSize - The maximum number of elements in the buffer.
    
    抛出:
    
    java.lang.IllegalArgumentException
- 方法详细资料
  - add
```
public void add(LoggingEvent event)
```
    Add an event as the last event in the buffer.
  - get
```
public LoggingEvent get(int i)
```
    Get the ith oldest event currently in the buffer. If i is outside the range 0 to the number of elements currently in the buffer, then null is returned.
  - getMaxSize
```
public int getMaxSize()
```
  - get
```
public LoggingEvent get()
```
    Get the oldest (first) element in the buffer. The oldest element is removed from the buffer.
  - length
```
public int length()
```
    Get the number of elements in the buffer. This number is guaranteed to be in the range 0 to maxSize (inclusive).
  - resize
```
public void resize(int newSize)
```
    Resize the cyclic buffer to newSize.
    
    抛出:
    
    java.lang.IllegalArgumentException - if newSize is negative.

所有类

概要:
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构造器 |
方法

详细资料:
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