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A light weight and high performance Java caching library. Android and Java 6 compatible. This artifact contains the official API of cache2k.

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package org.cache2k.configuration;

/*
 * #%L
 * cache2k API
 * %%
 * Copyright (C) 2000 - 2020 headissue GmbH, Munich
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import org.cache2k.Cache2kBuilder;
import org.cache2k.TimeReference;
import org.cache2k.Weigher;
import org.cache2k.event.CacheClosedListener;
import org.cache2k.event.CacheEntryOperationListener;
import org.cache2k.expiry.Expiry;
import org.cache2k.expiry.ExpiryPolicy;
import org.cache2k.expiry.ExpiryTimeValues;
import org.cache2k.integration.AdvancedCacheLoader;
import org.cache2k.integration.AsyncCacheLoader;
import org.cache2k.integration.CacheWriter;
import org.cache2k.integration.ExceptionPropagator;
import org.cache2k.integration.FunctionalCacheLoader;
import org.cache2k.integration.ResiliencePolicy;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.Executor;

/**
 * Configuration for a cache2k cache.
 *
 * 

To create a cache, the {@link Cache2kBuilder} is used. All configuration properties * are present on the builder and are documented in this place. Consequently all properties * refer to the corresponding builder method. * *

The configuration bean is designed to be serializable. This is used for example to copy * default configurations. The builder allows object references to customizations to be set. * If this happens the configuration is not serializable. Such configuration is only used for * immediate creation of one cache via the builder. * *

The configuration may contain additional beans, called configuration sections, that are * used to configure extensions or sub modules. * *

Within the XML configuration of a cache manager different default configuration * values may be specified. To get a configuration bean with the effective defaults of * a specific manager do {@code Cache2kBuilder.forUnknownTypes().manager(...).toConfiguration()} * * @author Jens Wilke */ @SuppressWarnings("unused") public class Cache2kConfiguration implements ConfigurationBean, ConfigurationWithSections { public static final long EXPIRY_NOT_ETERNAL = Long.MAX_VALUE - 1; public static final long UNSET_LONG = -1; private boolean storeByReference; private String name; private CacheType keyType; private CacheType valueType; private long entryCapacity = UNSET_LONG; private boolean strictEviction = false; private boolean refreshAhead = false; private long expireAfterWrite = UNSET_LONG; private long retryInterval = UNSET_LONG; private long maxRetryInterval = UNSET_LONG; private long resilienceDuration = UNSET_LONG; private long maximumWeight = UNSET_LONG; private boolean keepDataAfterExpired = false; private boolean sharpExpiry = false; private boolean suppressExceptions = true; private int loaderThreadCount; private boolean permitNullValues = false; private boolean disableStatistics = false; private boolean recordRefreshedTime = false; private boolean externalConfigurationPresent = false; private boolean boostConcurrency = false; private boolean enableJmx = false; private boolean disableMonitoring = false; private CustomizationSupplier loaderExecutor; private CustomizationSupplier prefetchExecutor; private CustomizationSupplier asyncListenerExecutor; private CustomizationSupplier executor; private CustomizationSupplier> expiryPolicy; private CustomizationSupplier> resiliencePolicy; private CustomizationSupplier> loader; private CustomizationSupplier> writer; private CustomizationSupplier> advancedLoader; private CustomizationSupplier> asyncLoader; private CustomizationSupplier> exceptionPropagator; private CustomizationSupplier timeReference; private CustomizationSupplier weigher; private CustomizationCollection> listeners; private CustomizationCollection> asyncListeners; private CustomizationCollection closedListeners; private ConfigurationSectionContainer sections; /** * Construct a config instance setting the type parameters and returning a * proper generic type. * * @see Cache2kBuilder#keyType(Class) * @see Cache2kBuilder#valueType(Class) */ public static Cache2kConfiguration of(Class keyType, Class valueType) { Cache2kConfiguration c = new Cache2kConfiguration(); c.setKeyType(keyType); c.setValueType(valueType); return c; } /** * Construct a config instance setting the type parameters and returning a * proper generic type. * * @see Cache2kBuilder#keyType(CacheType) * @see Cache2kBuilder#valueType(CacheType) */ public static Cache2kConfiguration of(Class keyType, CacheType valueType) { Cache2kConfiguration c = new Cache2kConfiguration(); c.setKeyType(keyType); c.setValueType(valueType); return c; } /** * Construct a config instance setting the type parameters and returning a * proper generic type. * * @see Cache2kBuilder#keyType(Class) * @see Cache2kBuilder#valueType(Class) */ public static Cache2kConfiguration of(CacheType keyType, Class valueType) { Cache2kConfiguration c = new Cache2kConfiguration(); c.setKeyType(keyType); c.setValueType(valueType); return c; } /** * Construct a config instance setting the type parameters and returning a * proper generic type. * * @see Cache2kBuilder#keyType(CacheType) * @see Cache2kBuilder#valueType(CacheType) */ public static Cache2kConfiguration of(CacheType keyType, CacheType valueType) { Cache2kConfiguration c = new Cache2kConfiguration(); c.setKeyType(keyType); c.setValueType(valueType); return c; } /** * @see Cache2kBuilder#name(String) */ public String getName() { return name; } /** * * @see Cache2kBuilder#name(String) */ public void setName(String name) { this.name = name; } /** * * @see Cache2kBuilder#entryCapacity */ public long getEntryCapacity() { return entryCapacity; } public void setEntryCapacity(long v) { this.entryCapacity = v; } /** * @see Cache2kBuilder#refreshAhead(boolean) */ public boolean isRefreshAhead() { return refreshAhead; } /** * @see Cache2kBuilder#refreshAhead(boolean) */ public void setRefreshAhead(boolean v) { this.refreshAhead = v; } public CacheType getKeyType() { return keyType; } private void checkNull(Object v) { if (v == null) { throw new NullPointerException("null value not allowed"); } } /** * @see Cache2kBuilder#keyType(Class) * @see CacheType for a general discussion on types */ public void setKeyType(Class v) { checkNull(v); setKeyType(CacheTypeCapture.of(v)); } /** * @see Cache2kBuilder#keyType(CacheType) * @see CacheType for a general discussion on types */ public void setKeyType(CacheType v) { checkNull(v); if (v.isArray()) { throw new IllegalArgumentException("Arrays are not supported for keys"); } keyType = v.getBeanRepresentation(); } public CacheType getValueType() { return valueType; } /** * @see Cache2kBuilder#valueType(Class) * @see CacheType for a general discussion on types */ public void setValueType(Class v) { checkNull(v); setValueType(CacheTypeCapture.of(v)); } /** * @see Cache2kBuilder#valueType(CacheType) * @see CacheType for a general discussion on types */ public void setValueType(CacheType v) { checkNull(v); if (v.isArray()) { throw new IllegalArgumentException("Arrays are not supported for values"); } valueType = v.getBeanRepresentation(); } public boolean isEternal() { return expireAfterWrite == UNSET_LONG || expireAfterWrite == ExpiryTimeValues.ETERNAL; } /** * @see Cache2kBuilder#eternal(boolean) */ public void setEternal(boolean v) { if (v) { setExpireAfterWrite(ExpiryTimeValues.ETERNAL); } else { setExpireAfterWrite(EXPIRY_NOT_ETERNAL); } } public long getExpireAfterWrite() { return expireAfterWrite; } /** * @see Cache2kBuilder#expireAfterWrite */ public void setExpireAfterWrite(long millis) { if (millis == expireAfterWrite) { return; } if (expireAfterWrite != UNSET_LONG) { if (millis == Expiry.ETERNAL) { throw new IllegalArgumentException( "eternal disabled or expiry was set, refusing to reset back to eternal"); } if (expireAfterWrite == Expiry.ETERNAL) { throw new IllegalArgumentException("eternal enabled explicitly, refusing to enable expiry"); } } this.expireAfterWrite = millis; } /** * @see Cache2kBuilder#retryInterval */ public long getRetryInterval() { return retryInterval; } /** * @see Cache2kBuilder#retryInterval */ public void setRetryInterval(long millis) { retryInterval = millis; } /** * @see Cache2kBuilder#maxRetryInterval */ public long getMaxRetryInterval() { return maxRetryInterval; } /** * @see Cache2kBuilder#maxRetryInterval */ public void setMaxRetryInterval(long millis) { if (entryCapacity >= 0) { } maxRetryInterval = millis; } /** * @see Cache2kBuilder#resilienceDuration */ public long getResilienceDuration() { return resilienceDuration; } /** * @see Cache2kBuilder#resilienceDuration */ public void setResilienceDuration(long millis) { resilienceDuration = millis; } public boolean isKeepDataAfterExpired() { return keepDataAfterExpired; } public long getMaximumWeight() { return maximumWeight; } /** * @see Cache2kBuilder#maximumWeight */ public void setMaximumWeight(long v) { if (entryCapacity >= 0) { throw new IllegalArgumentException( "entryCapacity already set, setting maximumWeight is illegal"); } maximumWeight = v; } /** * @see Cache2kBuilder#keepDataAfterExpired(boolean) */ public void setKeepDataAfterExpired(boolean v) { this.keepDataAfterExpired = v; } public boolean isSharpExpiry() { return sharpExpiry; } /** * @see Cache2kBuilder#sharpExpiry(boolean) */ public void setSharpExpiry(boolean v) { this.sharpExpiry = v; } public boolean isSuppressExceptions() { return suppressExceptions; } /** * @see Cache2kBuilder#suppressExceptions(boolean) */ public void setSuppressExceptions(boolean v) { this.suppressExceptions = v; } /** * An external configuration for the cache was found and is applied. * This is {@code true} if default values are set via the XML configuration or * if there is a specific section for the cache name. */ public boolean isExternalConfigurationPresent() { return externalConfigurationPresent; } public void setExternalConfigurationPresent(boolean v) { externalConfigurationPresent = v; } /** * Mutable collection of additional configuration sections */ public ConfigurationSectionContainer getSections() { if (sections == null) { sections = new ConfigurationSectionContainer(); } return sections; } /** * Adds the collection of sections to the existing list. This method is intended to * improve integration with bean configuration mechanisms that use the set method and * construct a set or list, like Springs' bean XML configuration. */ public void setSections(Collection c) { getSections().addAll(c); } public CustomizationSupplier> getLoader() { return loader; } public void setLoader(CustomizationSupplier> v) { loader = v; } public CustomizationSupplier> getAdvancedLoader() { return advancedLoader; } /** * @see Cache2kBuilder#loader(AdvancedCacheLoader) */ public void setAdvancedLoader(CustomizationSupplier> v) { advancedLoader = v; } public CustomizationSupplier> getAsyncLoader() { return asyncLoader; } public void setAsyncLoader(CustomizationSupplier> v) { asyncLoader = v; } public int getLoaderThreadCount() { return loaderThreadCount; } /** * @see Cache2kBuilder#loaderThreadCount(int) */ public void setLoaderThreadCount(int v) { loaderThreadCount = v; } public CustomizationSupplier> getExpiryPolicy() { return expiryPolicy; } public void setExpiryPolicy(CustomizationSupplier> v) { expiryPolicy = v; } public CustomizationSupplier> getWriter() { return writer; } /** * @see Cache2kBuilder#writer(CacheWriter) */ public void setWriter(CustomizationSupplier> v) { writer = v; } public boolean isStoreByReference() { return storeByReference; } /** * @see Cache2kBuilder#storeByReference(boolean) */ public void setStoreByReference(boolean v) { storeByReference = v; } public CustomizationSupplier> getExceptionPropagator() { return exceptionPropagator; } /** * @see Cache2kBuilder#exceptionPropagator(ExceptionPropagator) */ public void setExceptionPropagator(CustomizationSupplier> v) { exceptionPropagator = v; } /** * A set of listeners. Listeners added in this collection will be * executed in a synchronous mode, meaning, further processing for * an entry will stall until a registered listener is executed. * The expiry will be always executed asynchronously. * *

A listener can be added by adding it to the collection. * Duplicate (in terms of equal objects) listeners will be ignored. * * @return Mutable collection of listeners */ public CustomizationCollection> getListeners() { if (listeners == null) { listeners = new DefaultCustomizationCollection>(); } return listeners; } /** * @return True if listeners are added to this configuration. */ public boolean hasListeners() { return listeners != null && !listeners.isEmpty(); } /** * Adds the collection of customizations to the existing list. This method is intended to * improve integration with bean configuration mechanisms that use the set method and * construct a set or list, like Springs' bean XML configuration. */ public void setListeners(Collection>> c) { getListeners().addAll(c); } /** * A set of listeners. A listener can be added by adding it to the collection. * Duplicate (in terms of equal objects) listeners will be ignored. * * @return Mutable collection of listeners */ public CustomizationCollection> getAsyncListeners() { if (asyncListeners == null) { asyncListeners = new DefaultCustomizationCollection>(); } return asyncListeners; } /** * @return True if listeners are added to this configuration. */ public boolean hasAsyncListeners() { return asyncListeners != null && !asyncListeners.isEmpty(); } /** * Adds the collection of customizations to the existing list. This method is intended to * improve integration with bean configuration mechanisms that use the set method and * construct a set or list, like Springs' bean XML configuration. */ public void setAsyncListeners( Collection>> c) { getAsyncListeners().addAll(c); } /** * A set of listeners. A listener can be added by adding it to the collection. * Duplicate (in terms of equal objects) listeners will be ignored. * * @return Mutable collection of listeners * @since 1.0.2 */ public CustomizationCollection getCacheClosedListeners() { if (closedListeners == null) { closedListeners = new DefaultCustomizationCollection(); } return closedListeners; } /** * @return True if listeners are added to this configuration. */ public boolean hasCacheClosedListeners() { return closedListeners != null && !closedListeners.isEmpty(); } /** * Adds the collection of customizations to the existing list. This method is intended to * improve integration with bean configuration mechanisms that use the set method and * construct a set or list, like Springs' bean XML configuration. */ public void setCacheClosedListeners(Collection> c) { getCacheClosedListeners().addAll(c); } public CustomizationSupplier> getResiliencePolicy() { return resiliencePolicy; } /** * @see Cache2kBuilder#resiliencePolicy */ public void setResiliencePolicy(CustomizationSupplier> v) { resiliencePolicy = v; } public boolean isStrictEviction() { return strictEviction; } /** * @see Cache2kBuilder#strictEviction(boolean) */ public void setStrictEviction(boolean v) { strictEviction = v; } public boolean isPermitNullValues() { return permitNullValues; } /** * @see Cache2kBuilder#permitNullValues(boolean) */ public void setPermitNullValues(boolean v) { permitNullValues = v; } public boolean isDisableStatistics() { return disableStatistics; } /** * @see Cache2kBuilder#disableStatistics */ public void setDisableStatistics(boolean v) { disableStatistics = v; } public CustomizationSupplier getLoaderExecutor() { return loaderExecutor; } @Deprecated public boolean isDisableLastModificationTime() { return false; } /** * @see Cache2kBuilder#disableLastModificationTime */ @Deprecated public void setDisableLastModificationTime(boolean v) { } public boolean isRecordRefreshedTime() { return recordRefreshedTime; } /** * @see Cache2kBuilder#recordRefreshedTime */ public void setRecordRefreshedTime(boolean v) { recordRefreshedTime = v; } /** * @see Cache2kBuilder#loaderExecutor(Executor) */ public void setLoaderExecutor(CustomizationSupplier v) { loaderExecutor = v; } public CustomizationSupplier getPrefetchExecutor() { return prefetchExecutor; } /** * @see Cache2kBuilder#prefetchExecutor(Executor) */ public void setPrefetchExecutor(CustomizationSupplier v) { prefetchExecutor = v; } public CustomizationSupplier getExecutor() { return executor; } /** * @see Cache2kBuilder#executor(Executor) */ public void setExecutor(CustomizationSupplier v) { executor = v; } public CustomizationSupplier getAsyncListenerExecutor() { return asyncListenerExecutor; } /** * @see Cache2kBuilder#asyncListenerExecutor(Executor) */ public void setAsyncListenerExecutor(CustomizationSupplier v) { asyncListenerExecutor = v; } public CustomizationSupplier getTimeReference() { return timeReference; } /** * @see Cache2kBuilder#timeReference(TimeReference) */ public void setTimeReference(CustomizationSupplier v) { timeReference = v; } public CustomizationSupplier getWeigher() { return weigher; } /** * @see Cache2kBuilder#weigher(Weigher) */ public void setWeigher(CustomizationSupplier v) { if (entryCapacity >= 0) { throw new IllegalArgumentException( "entryCapacity already set, specifying a weigher is illegal"); } weigher = v; } public boolean isBoostConcurrency() { return boostConcurrency; } /** * @see Cache2kBuilder#boostConcurrency(boolean) */ public void setBoostConcurrency(boolean v) { boostConcurrency = v; } public boolean isEnableJmx() { return enableJmx; } /** * @see Cache2kBuilder#enableJmx(boolean) */ public void setEnableJmx(boolean v) { enableJmx = v; } public boolean isDisableMonitoring() { return disableMonitoring; } /** * @see Cache2kBuilder#disableMonitoring(boolean) */ public void setDisableMonitoring(boolean disableMonitoring) { this.disableMonitoring = disableMonitoring; } }





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