Example usage for org.apache.commons.collections BufferUnderflowException BufferUnderflowException

Introduction

In this page you can find the example usage for org.apache.commons.collections BufferUnderflowException BufferUnderflowException.

Prototype

public BufferUnderflowException(String message) 

Source Link

Document

Construct a new BufferUnderflowException.

Usage

From source file:org.apache.flink.streaming.api.state.NullableCircularBuffer.java

/**
 * Returns the least recently inserted element in this buffer.
 *
 * @return the least recently inserted element
 * @throws BufferUnderflowException// w  w  w.j  a  v a2 s . c om
 *             if the buffer is empty
 */
public Object get() {
    if (isEmpty()) {
        throw new BufferUnderflowException("The buffer is already empty");
    }

    return elements[start];
}

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From source file:org.apache.flink.streaming.api.state.NullableCircularBuffer.java

/**
 * Removes the least recently inserted element from this buffer.
 *
 * @return the least recently inserted element
 * @throws BufferUnderflowException/*from w  w w  .ja v a 2s .  c  om*/
 *             if the buffer is empty
 */
public Object remove() {
    if (isEmpty()) {
        throw new BufferUnderflowException("The buffer is already empty");
    }

    Object element = elements[start];

    elements[start++] = null;

    if (start >= maxElements) {
        start = 0;
    }

    full = false;

    return element;
}

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From source file:securitymon.collections.BoundedFifoBuffer.java

/**
 * Removes the least recently inserted element from this buffer.
 *
 * @return the least recently inserted element
 * @throws BufferUnderflowException  if the buffer is empty
 *//*from   www. j a va  2  s .  co m*/
public Object remove() {
    if (isEmpty()) {
        throw new BufferUnderflowException("The buffer is already empty");
    }

    byte element = elements[start];

    elements[start++] = (byte) 0;

    if (start >= maxElements) {
        start = 0;
    }

    full = false;

    return element;
}

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