
public class ConcurrentUrlCache
extends AbstractUrlCache

Fields
Modifier and Type	Field	Description
`private final ConcurrentNonReentrantQueue<UrlAware>`	`nonReentrantQueue`
`private final ConcurrentNEntrantQueue<UrlAware>`	`nReentrantQueue`
`private final ConcurrentLinkedQueue<UrlAware>`	`reentrantQueue`
`private final String`	`name`
`private final Integer`	`priority`
`private final List<Queue<UrlAware>>`	`queues`
`private final Integer`	`size`
`private final Integer`	`externalSize`
`private final Integer`	`estimatedExternalSize`
`private final Integer`	`estimatedSize`

Constructors
Constructor	Description
`ConcurrentUrlCache(String name, Integer priority)`

Modifier and Type	Method	Description
`ConcurrentNonReentrantQueue<UrlAware>`	`getNonReentrantQueue()`	A non-reentrant queue accepts the same url only once
`ConcurrentNEntrantQueue<UrlAware>`	`getNReentrantQueue()`	A non-reentrant queue accepts the same url for n times at most
`ConcurrentLinkedQueue<UrlAware>`	`getReentrantQueue()`	A reentrant queue accepts the same url multiple times
`String`	`getName()`	The cache name
`Integer`	`getPriority()`	The priority
`List<Queue<UrlAware>>`	`getQueues()`
`Integer`	`getSize()`
`Integer`	`getExternalSize()`
`Integer`	`getEstimatedExternalSize()`
`Integer`	`getEstimatedSize()`

Methods inherited from class ai.platon.pulsar.common.collect.ConcurrentUrlCache
clear, removeDeceased
Methods inherited from class ai.platon.pulsar.common.collect.AbstractUrlCache
deepClear
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

ConcurrentUrlCache(String name, Integer priority)

getNonReentrantQueue
```
 ConcurrentNonReentrantQueue<UrlAware> getNonReentrantQueue()
```
A non-reentrant queue accepts the same url only once

getNReentrantQueue
```
 ConcurrentNEntrantQueue<UrlAware> getNReentrantQueue()
```
A non-reentrant queue accepts the same url for n times at most

getReentrantQueue
```
 ConcurrentLinkedQueue<UrlAware> getReentrantQueue()
```
A reentrant queue accepts the same url multiple times

Class ConcurrentUrlCache