HopCount.NodeQueue

java.lang.Object
- org.apache.manifoldcf.crawler.jobs.HopCount.NodeQueue

Enclosing class:

HopCount
```
protected static class HopCount.NodeQueue
extends java.lang.Object
```
A queue object allows document nodes to be ordered appropriately for the most efficient execution. The queue handles DocumentNode objects exclusively. Mapping of Question to DocumentNode object involves structures outside of all queues.

Field Summary

Fields
Modifier and Type Field Description

protected java.util.HashMap nodeMap

Constructor Summary

Constructors
Constructor Description

NodeQueue()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addToQueue(HopCount.DocumentNode node)`	Queue a document node.
`HopCount.DocumentNode`	`nextNode()`	Fetch the next object off the queue for processing.
`HopCount.DocumentNode[]`	`nextNodes()`	Fetch ALL of the nodes off the queue in one step.
`void`	`removeFromQueue(HopCount.DocumentNode node)`	Remove a node from the queue.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - nodeMap
```
protected java.util.HashMap nodeMap
```
- Constructor Detail
  - NodeQueue
```
public NodeQueue()
```
    Constructor.
- Method Detail
  - addToQueue
```
public void addToQueue(HopCount.DocumentNode node)
```
    Queue a document node.
  - removeFromQueue
```
public void removeFromQueue(HopCount.DocumentNode node)
```
    Remove a node from the queue. This might happen if the node no longer needs evaluation.
  - nextNode
```
public HopCount.DocumentNode nextNode()
```
    Fetch the next object off the queue for processing. Returns null if there are no more objects.
  - nextNodes
```
public HopCount.DocumentNode[] nextNodes()
```
    Fetch ALL of the nodes off the queue in one step.