import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
@Override
protected void setup(Settings settings, CacheManager cacheManager) {
    cacheManager.createCache(STRING_LONG_CACHE, new MutableConfiguration()
            .setExpiryPolicyFactory(EternalExpiryPolicy.factoryOf())
            .setStatisticsEnabled(true)
            .setStoreByValue(true));

    cacheManager.createCache(STRING_STRING_CACHE, new MutableConfiguration()
            .setExpiryPolicyFactory(EternalExpiryPolicy.factoryOf())
            .setStatisticsEnabled(true)
            .setStoreByValue(true));

    cacheManager.createCache(LONG_STRING_CACHE, new MutableConfiguration()
            .setExpiryPolicyFactory(EternalExpiryPolicy.factoryOf())
            .setStatisticsEnabled(true)
            .setStoreByValue(true));

}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
/**
 * Sets the ExpiryPolicyFactory. It will overwrite any values set before via {@link #setMaxIdleTime(int, TimeUnit)}.
 * @param factory The factory
 * @return This Builder
 */
public Builder<K,V> setExpiryPolicyFactory(Factory<? extends ExpiryPolicy> factory)
{
	if (expiryPolicyFactory == null)
	{
		this.expiryPolicyFactory = EternalExpiryPolicy.factoryOf();
	}
	else
	{
		@SuppressWarnings("unchecked")
		Factory<ExpiryPolicy> factoryCasted = (Factory<ExpiryPolicy>) factory;
		this.expiryPolicyFactory = (factoryCasted);
	}
	
	return this;
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
/**
 * @throws Exception If failed.
 */
public void testEternal() throws Exception {
    factory = EternalExpiryPolicy.factoryOf();

    ExpiryPolicy plc = factory.create();

    assertTrue(plc.getExpiryForCreation().isEternal());
    assertNull(plc.getExpiryForUpdate());
    assertNull(plc.getExpiryForAccess());

    startGrids();

    for (final Integer key : keys()) {
        log.info("Test eternalPolicy, key: " + key);

        eternal(key);
    }
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
private void validateConfiguration(CompleteConfiguration<?, ?> configuration)
{
    if (configuration.isStoreByValue())
    {
        throw new UnsupportedOperationException("Store by value is not supported in Guava!");
    }

    if (configuration.getExpiryPolicyFactory() == null)
    {
        throw new NullPointerException("Expiry policy factory cannot be null!");
    }

    ExpiryPolicy expiryPolicy = configuration.getExpiryPolicyFactory().create();

    if (!(expiryPolicy instanceof EternalExpiryPolicy)
        && !(expiryPolicy instanceof ModifiedExpiryPolicy)
        && !(expiryPolicy instanceof TouchedExpiryPolicy))
    {
        throw new UnsupportedOperationException("Invalid expiry policy configuration!");
    }

    if (configuration.isReadThrough() && configuration.getCacheLoaderFactory() == null)
    {
        throw new IllegalArgumentException("Invalid read through cache configuration!");
    }

    if (configuration.isWriteThrough() || configuration.getCacheWriterFactory() != null)
    {
        throw new UnsupportedOperationException("Invalid write through cache configuration!");
    }
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
@VisibleForTesting
<K, V> javax.cache.Cache<K, V> maybeCreateCache(final String name) {
  if (Objects.equals(ACTIVE_SESSION_CACHE_NAME, name)) {
    // shiro's session cache needs to never expire:
    // http://shiro.apache.org/session-management.html#ehcache-session-cache-configuration
    return cacheHelperProvider.get().maybeCreateCache(name, EternalExpiryPolicy.factoryOf());
  }
  else {
    Time timeToLive = Optional.ofNullable(System.getProperty(name + ".timeToLive"))
        .map(Time::parse)
        .orElse(defaultTimeToLive.get());
    return cacheHelperProvider.get().maybeCreateCache(name,
        CreatedExpiryPolicy.factoryOf(new Duration(timeToLive.getUnit(), timeToLive.getValue())));
  }
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
@Test
public void defaultShiroActiveSessionCacheConfigurationTest() throws Exception {
  ArgumentCaptor<Factory> confCaptor = ArgumentCaptor.forClass(Factory.class);
  when(cacheHelper.maybeCreateCache(anyString(), confCaptor.capture())).thenReturn(null);
  underTest.maybeCreateCache(CachingSessionDAO.ACTIVE_SESSION_CACHE_NAME);
  assertThat(confCaptor.getValue(), is(EternalExpiryPolicy.factoryOf()));
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
public SerializableEntityCache(EntityModel model, CacheManager cacheManager) {
    if (cacheManager == null) {
        throw new IllegalArgumentException();
    }
    this.model = model;
    this.cacheManager = cacheManager;
    this.expiryPolicyFactory = EternalExpiryPolicy.factoryOf();
    this.caches = new ClassMap<>();
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
@Test
public void test107CacheCanReturnCompleteConfigurationWhenNonePassedIn() {
  CacheManager cacheManager = cachingProvider.getCacheManager();
  Cache<Long, String> cache = cacheManager.createCache("cacheWithoutCompleteConfig", new Configuration<Long, String>() {
    @Override
    public Class<Long> getKeyType() {
      return Long.class;
    }

    @Override
    public Class<String> getValueType() {
      return String.class;
    }

    @Override
    public boolean isStoreByValue() {
      return true;
    }
  });

  @SuppressWarnings("unchecked")
  CompleteConfiguration<Long, String> configuration = cache.getConfiguration(CompleteConfiguration.class);
  assertThat(configuration, notNullValue());
  assertThat(configuration.isStoreByValue(), is(true));

  // Respects defaults
  assertThat(configuration.getExpiryPolicyFactory(), equalTo(EternalExpiryPolicy.factoryOf()));
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
public BlazingCacheCache(String cacheName, CacheClient client, CacheManager cacheManager, Serializer<K, String> keysSerializer, Serializer<V, byte[]> valuesSerializer, boolean usefetch, Configuration<K, V> configuration) {
    this.cacheName = cacheName;
    this.cacheManager = cacheManager;
    this.client = client;
    this.keysSerializer = keysSerializer;
    this.valuesSerializer = valuesSerializer;
    this.valueType = configuration.getValueType();
    this.keyType = configuration.getKeyType();
    this.usefetch = usefetch;
    this.configurationMXBean = new BlazingCacheConfigurationMXBean<>(this);
    this.statisticsMXBean = new BlazingCacheStatisticsMXBean<>(this);
    this.storeByReference = !configuration.isStoreByValue();
    if (configuration instanceof CompleteConfiguration) {
        this.configuration = new MutableConfiguration<>((CompleteConfiguration<K, V>) configuration);
        CompleteConfiguration<K, V> cc = (CompleteConfiguration<K, V>) configuration;
        if (cc.getExpiryPolicyFactory() == null) {
            throw new IllegalArgumentException("ExpiryPolicyFactory cannot be null");
        } else {
            ExpiryPolicy _policy = cc.getExpiryPolicyFactory().create();;
            if (_policy == null) {
                throw new IllegalArgumentException("ExpiryPolicy cannot be null");
            }
            if (_policy instanceof EternalExpiryPolicy) {
                this.policy = null; // shortcut for the most common case
            } else {
                this.policy = _policy;
            }
        }

        if (cc.getCacheLoaderFactory() != null) {
            cacheLoader = (CacheLoader) cc.getCacheLoaderFactory().create();
        } else {
            cacheLoader = null;
        }
        if (cc.getCacheWriterFactory() != null) {
            cacheWriter = (CacheWriter<K, V>) cc.getCacheWriterFactory().create();
        } else {
            cacheWriter = null;
        }
        isReadThrough = cc.isReadThrough();
        isWriteThrough = cc.isWriteThrough();
        needPreviuosValueForListeners = policy != null;
        if (cc.getCacheEntryListenerConfigurations() != null) {
            for (CacheEntryListenerConfiguration<K, V> listenerConfig : cc.getCacheEntryListenerConfigurations()) {
                configureListener(listenerConfig);
            }
        }
    } else {
        this.configuration = new MutableConfiguration<K, V>()
            .setTypes(configuration.getKeyType(), configuration.getValueType())
            .setStoreByValue(configuration.isStoreByValue());
        this.policy = null; // means "eternal"
        cacheLoader = null;
        needPreviuosValueForListeners = false;
        cacheWriter = null;
        isReadThrough = false;
        isWriteThrough = false;
    }
    if (isReadThrough && cacheLoader == null) {
        throw new IllegalArgumentException("cache isReadThrough=" + isReadThrough + " cacheLoader=" + cacheLoader);
    }
    if (isWriteThrough && cacheWriter == null) {
        throw new IllegalArgumentException("cache isWriteThrough=" + isWriteThrough + " cacheWriter=" + cacheWriter);
    }
    if (this.configuration.isManagementEnabled()) {
        setManagementEnabled(true);
    }

    if (this.configuration.isStatisticsEnabled()) {
        setStatisticsEnabled(true);
    }

}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
public Eh107CompleteConfiguration(Configuration<K, V> config, final CacheConfiguration<K, V> ehcacheConfig, boolean useEhcacheExpiry, boolean useEhcacheLoaderWriter) {
  this.ehcacheConfig = ehcacheConfig;
  this.keyType = config.getKeyType();
  this.valueType = config.getValueType();
  this.isStoreByValue = isStoreByValue(config, ehcacheConfig);

  Factory<ExpiryPolicy> tempExpiryPolicyFactory = EternalExpiryPolicy.factoryOf();

  if (config instanceof CompleteConfiguration) {
    CompleteConfiguration<K, V> completeConfig = (CompleteConfiguration<K, V>) config;
    this.isReadThrough = completeConfig.isReadThrough();
    this.isWriteThrough = completeConfig.isWriteThrough();
    this.isStatisticsEnabled = completeConfig.isStatisticsEnabled();
    this.isManagementEnabled = completeConfig.isManagementEnabled();

    if (useEhcacheLoaderWriter) {
      this.cacheLoaderFactory = createThrowingFactory();
      this.cacheWriterFactory = createThrowingFactory();
    } else {
      this.cacheLoaderFactory = completeConfig.getCacheLoaderFactory();
      this.cacheWriterFactory = completeConfig.getCacheWriterFactory();
    }

    tempExpiryPolicyFactory = completeConfig.getExpiryPolicyFactory();
    for (CacheEntryListenerConfiguration<K, V> listenerConfig : completeConfig.getCacheEntryListenerConfigurations()) {
      cacheEntryListenerConfigs.add(listenerConfig);
    }
  } else {
    this.isReadThrough = false;
    this.isWriteThrough = false;
    this.isStatisticsEnabled = false;
    this.isManagementEnabled = false;
    this.cacheLoaderFactory = null;
    this.cacheWriterFactory = null;
  }

  if (useEhcacheExpiry) {
    tempExpiryPolicyFactory = createThrowingFactory();
  }

  this.expiryPolicyFactory = tempExpiryPolicyFactory;
}
 

import javax.cache.expiry.EternalExpiryPolicy; //导入依赖的package包/类
public Factory<? extends ExpiryPolicy> createFactory( Long seconds ) {
  return EternalExpiryPolicy.factoryOf();
}