Example usage for java.util.concurrent DelayQueue contains

Introduction

In this page you can find the example usage for java.util.concurrent DelayQueue contains.

Prototype

boolean contains(Object o);

Source Link

Document

Returns true if this queue contains the specified element.

Usage

From source file:org.apache.hawq.pxf.service.UGICache.java

/**
 * This method is O(n) in the number of cache entries and should only be called in tests.
 *
 * @param session/*  w w  w .  ja v  a  2  s.c  o  m*/
 * @return determine whether the session is in the internal cache
 */
boolean contains(SessionId session) {
    DelayQueue<Entry> expirationQueue = getExpirationQueue(session.getSegmentId());
    synchronized (expirationQueue) {
        Entry entry = cache.get(session);
        return entry != null && expirationQueue.contains(entry);
    }
}

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