Example usage for org.apache.commons.collections4.map PassiveExpiringMap PassiveExpiringMap

Introduction

In this page you can find the example usage for org.apache.commons.collections4.map PassiveExpiringMap PassiveExpiringMap.

Prototype

public PassiveExpiringMap(final Map<K, V> map) 

Source Link

Document

Constructs a map decorator that decorates the given map and results in entries NEVER expiring.

Usage

From source file:io.sip3.tapir.captain.handler.PacketDefragmentator.java

public PacketDefragmentator(int order, int total, int ttl) throws Exception {
    super(order, total);
    this.ttl = ttl;
    this.accumulator = new PassiveExpiringMap<>(ttl);
}

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From source file:org.apache.ambari.view.hive.resources.browser.HiveBrowserService.java

public static Map<String, Cursor> getResultsCache() {
    if (resultsCache == null) {
        PassiveExpiringMap<String, Cursor> resultsCacheExpiringMap = new PassiveExpiringMap<String, Cursor>(
                EXPIRING_TIME);/*from  w  w  w  .  j a va2 s .c o  m*/
        resultsCache = Collections.synchronizedMap(resultsCacheExpiringMap);
    }
    return resultsCache;
}

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From source file:org.apache.ambari.view.hive.resources.jobs.ResultsPaginationController.java

private Map<String, Cursor> getResultsCache() {
    if (resultsCache == null) {
        PassiveExpiringMap<String, Cursor> resultsCacheExpiringMap = new PassiveExpiringMap<String, Cursor>(
                new CustomTimeToLiveExpirationPolicy(EXPIRING_TIME));
        resultsCache = Collections.synchronizedMap(resultsCacheExpiringMap);
    }//from  w  w w  .j  a v a2  s  . com
    return resultsCache;
}

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From source file:org.apache.ambari.view.utils.ambari.RemoteCluster.java

/**
 * Constructor for RemoteCluster/*  w ww.jav  a2 s. c o m*/
 * @param ambariClusterUrl Ambari Server Cluster REST API URL (for example: http://ambari.server:8080/api/v1/clusters/c1)
 * @param urlStreamProvider stream provider with authorization support
 */
public RemoteCluster(String ambariClusterUrl, URLStreamProvider urlStreamProvider) {
    this.baseUrl = ambariClusterUrl;
    this.urlStreamProvider = urlStreamProvider;

    String[] parts = ambariClusterUrl.split("/");
    this.name = parts[parts.length - 1];
    PassiveExpiringMap<String, JSONObject> configurations = new PassiveExpiringMap<String, JSONObject>(10000L); // keep cache for 10 seconds
    configurationCache = Collections.synchronizedMap(configurations);
}

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From source file:org.apache.ambari.view.utils.ambari.RemoteClusterTest.java

@Test
public void testGetConfigurationValue() throws Exception {
    URLStreamProvider urlStreamProvider = createNiceMock(URLStreamProvider.class);

    final String desiredConfigsString = "{\"Clusters\": {\"desired_configs\": {\"test-site\": {\"tag\": \"TAG\"}}}}";
    final String configurationString = "{\"items\": [{\"properties\": {\"test.property.name\": \"test property value\"}}]}";
    final int[] desiredConfigPolls = { 0 };
    final int[] testConfigPolls = { 0 };

    expect(urlStreamProvider.readFrom(//w  ww . java  2  s .com
            eq(AMBARI_CLUSTER_REST_URL + "?fields=services/ServiceInfo,hosts,Clusters"), eq("GET"),
            (String) isNull(), (Map<String, String>) anyObject())).andAnswer(new IAnswer<InputStream>() {
                @Override
                public InputStream answer() throws Throwable {
                    desiredConfigPolls[0] += 1;
                    return new ByteArrayInputStream(desiredConfigsString.getBytes());
                }
            }).anyTimes();

    expect(urlStreamProvider.readFrom(eq(AMBARI_CLUSTER_REST_URL + "/configurations?(type=test-site&tag=TAG)"),
            eq("GET"), (String) isNull(), (Map<String, String>) anyObject()))
                    .andAnswer(new IAnswer<InputStream>() {
                        @Override
                        public InputStream answer() throws Throwable {
                            testConfigPolls[0] += 1;
                            return new ByteArrayInputStream(configurationString.getBytes());
                        }
                    }).anyTimes();

    replay(urlStreamProvider);

    RemoteCluster cluster = new RemoteCluster(AMBARI_CLUSTER_REST_URL, urlStreamProvider);
    PassiveExpiringMap<String, JSONObject> cache = new PassiveExpiringMap<String, JSONObject>(10000L);
    cluster.configurationCache = cache;

    String value = cluster.getConfigurationValue("test-site", "test.property.name");
    assertEquals(value, "test property value");
    assertEquals(desiredConfigPolls[0], 1);
    assertEquals(testConfigPolls[0], 1);

    value = cluster.getConfigurationValue("test-site", "test.property.name");
    assertEquals(value, "test property value");
    assertEquals(desiredConfigPolls[0], 1); // cache hit
    assertEquals(testConfigPolls[0], 1);

    cache.clear();
    value = cluster.getConfigurationValue("test-site", "test.property.name");
    assertEquals(value, "test property value");
    assertEquals(desiredConfigPolls[0], 2);
    assertEquals(testConfigPolls[0], 2);
}

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From source file:org.apache.james.jmap.memory.access.MemoryAccessTokenRepository.java

@Inject
public MemoryAccessTokenRepository(@Named(TOKEN_EXPIRATION_IN_MS) long durationInMilliseconds) {
    tokensExpirationDates = new PassiveExpiringMap<>(durationInMilliseconds);
}

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From source file:org.mitre.ptmatchadapter.service.ServerAuthorizationService.java

public final void setSessionData(Map<String, Object> map) {
    if (map == null) {
        sessionData = new PassiveExpiringMap<String, Object>(ENTRY_EXPIRATION_TIME);
    } else {/*from  w  w  w  .  j  a va 2  s.  c  o m*/
        sessionData = new PassiveExpiringMap<String, Object>(ENTRY_EXPIRATION_TIME, map);
    }
}

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