Java IMap.clear方法代碼示例

import com.hazelcast.core.IMap; //導入方法依賴的package包/類
@Override
public boolean resetLimit(String key) {
    IMap<Object, Object> map = hz.getMap(key);
    if (map == null || map.isEmpty()) {
        return false;
    }
    map.clear();
    map.destroy();
    return true;
}
 

import com.hazelcast.core.IMap; //導入方法依賴的package包/類
public void clearAllCaches(){
    final Collection<DistributedObject> distributedObjects = hazelcastInstance.getDistributedObjects();
    for (DistributedObject distributedObject : distributedObjects) {
        if (distributedObject instanceof IMap) {
            final IMap<?, ?> map = (IMap) distributedObject;
            map.clear();
        }
    }
}
 

import com.hazelcast.core.IMap; //導入方法依賴的package包/類
public void clearAllCachesExcept(List<String> cacheRegions){
    final Collection<DistributedObject> distributedObjects = hazelcastInstance.getDistributedObjects();
    for (DistributedObject distributedObject : distributedObjects) {
        if (distributedObject instanceof IMap) {
            final IMap<?, ?> map = (IMap) distributedObject;
            String region = map.getName();
            boolean exists = cacheRegions.stream().filter(s->region.contains(s)).count()>0;
            if(!exists) {
                map.clear();
            }
        }
    }
}
 

import com.hazelcast.core.IMap; //導入方法依賴的package包/類
public void clear() {
    IMap<String, byte[]> taskCache = hazelcastInstance.getMap("gradle-task-cache");
    taskCache.clear();
}
 

import com.hazelcast.core.IMap; //導入方法依賴的package包/類
/**
 * Clears this instance Map.
 */
public <K, V> void clearInstanceMap() {
  IMap<K, V> cached = hzInstance.getMap(instanceMapName());
  cached.clear();
}
 

import com.hazelcast.core.IMap; //導入方法依賴的package包/類
@Before
public void setup() throws Exception {
    ContainerContext cc = CONTAINER_CONTEXT_MAP.get(getClass());

    // if configuration is changed, we need to stop containers and cc should equals to null
    if (cc != null) {
        if (!cc.serverXml1.equals(serverXml1) || !cc.serverXml2.equals(serverXml2)) {
            cc.server1.stop();
            cc.server2.stop();
            cc.server1 = null;
            cc.server2 = null;
            cc = null;
        }
    }


    // If container is not exist yet or
    // Hazelcast instance is not active (because of such as server shutdown)
    if (cc == null) {
        // Build a new instance
        ensureInstanceIsUp();
        CONTAINER_CONTEXT_MAP.put(
                getClass(),
                new ContainerContext(
                        this,
                        serverXml1,
                        serverXml2,
                        serverPort1,
                        serverPort2,
                        server1,
                        server2,
                        hz));
    } else {
        // For every test method a different test class can be constructed for parallel runs by JUnit.
        // So container can be exist, but configurations of current test may not be exist.
        // For this reason, we should copy container context information (such as ports, servers, ...)
        // to current test.
        cc.copyInto(this);
        // Ensure that instance is up and running
        ensureInstanceIsUp();
        // After ensuring that system is up, new containers or instance may be created.
        // So, we should copy current information from test to current context.
        cc.copyFrom(this);
    }
    // Clear map
    IMap<String, Object> map = hz.getMap(DEFAULT_MAP_NAME);
    map.clear();
}