package org.infinispan.cache.impl;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import org.infinispan.AdvancedCache;
import org.infinispan.CacheCollection;
import org.infinispan.CacheSet;
import org.infinispan.commons.util.EnumUtil;
import org.infinispan.container.entries.CacheEntry;
import org.infinispan.context.Flag;
import org.infinispan.filter.KeyFilter;
import org.infinispan.metadata.EmbeddedMetadata;
import org.infinispan.metadata.Metadata;
import org.infinispan.stream.StreamMarshalling;
import org.infinispan.stream.impl.local.ValueCacheCollection;
/**
* A decorator to a cache, which can be built with a specific {@link ClassLoader} and a set of {@link Flag}s. This
* {@link ClassLoader} and set of {@link Flag}s will be applied to all cache invocations made via this decorator.
* <p/>
* In addition to cleaner and more readable code, this approach offers a performance benefit to using
* {@link AdvancedCache#withFlags(org.infinispan.context.Flag...)} API, thanks to
* internal optimizations that can be made when the {@link Flag} set is unchanging.
*
* @author Manik Surtani
* @author Sanne Grinovero
* @author Tristan Tarrant
* @see AdvancedCache#withFlags(org.infinispan.context.Flag...)
* @since 5.1
*/
public class DecoratedCache<K, V> extends AbstractDelegatingAdvancedCache<K, V> {
private final long flags;
private final CacheImpl<K, V> cacheImplementation;
public DecoratedCache(AdvancedCache<K, V> delegate, Flag... flags) {
super(delegate);
if (flags == null)
throw new IllegalArgumentException("There is no point in using a DecoratedCache if Flags are set.");
if (flags.length == 0)
this.flags = EnumUtil.EMPTY_BIT_SET;
else {
this.flags = EnumUtil.bitSetOf(flags);
}
// Yuk
cacheImplementation = (CacheImpl<K, V>) delegate;
}
private DecoratedCache(CacheImpl<K, V> delegate, long newFlags) {
//this constructor is private so we already checked for argument validity
super(delegate);
this.flags = newFlags;
this.cacheImplementation = delegate;
}
@Override
public AdvancedCache<K, V> with(final ClassLoader classLoader) {
if (classLoader == null) throw new IllegalArgumentException("ClassLoader cannot be null!");
return this;
}
@Override
public AdvancedCache<K, V> withFlags(final Flag... flags) {
if (flags == null || flags.length == 0)
return this;
else {
long newFlags = EnumUtil.bitSetOf(flags);
if (EnumUtil.containsAll(this.flags, newFlags)) {
//we already have all specified flags
return this;
} else {
return new DecoratedCache<>(this.cacheImplementation, EnumUtil.mergeBitSets(this.flags, newFlags));
}
}
}
@Override
public ClassLoader getClassLoader() {
return cacheImplementation.getClassLoader();
}
@Override
public void stop() {
cacheImplementation.stop();
}
@Override
public boolean lock(K... keys) {
return cacheImplementation.lock(Arrays.asList(keys), flags);
}
@Override
public boolean lock(Collection<? extends K> keys) {
return cacheImplementation.lock(keys, flags);
}
@Override
public void putForExternalRead(K key, V value) {
cacheImplementation.putForExternalRead(key, value, flags);
}
@Override
public void putForExternalRead(K key, V value, Metadata metadata) {
cacheImplementation.putForExternalRead(key, value, metadata, flags);
}
@Override
public void putForExternalRead(K key, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
cacheImplementation.putForExternalRead(key, value, metadata, flags);
}
@Override
public void putForExternalRead(K key, V value, long lifespan, TimeUnit lifespanUnit, long maxIdle, TimeUnit maxIdleUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdle, maxIdleUnit)
.build();
cacheImplementation.putForExternalRead(key, value, metadata, flags);
}
@Override
public void evict(K key) {
cacheImplementation.evict(key, flags);
}
@Override
public V put(K key, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.put(key, value, metadata, flags);
}
@Override
public V putIfAbsent(K key, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.putIfAbsent(key, value, metadata, flags);
}
@Override
public void putAll(Map<? extends K, ? extends V> map, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
cacheImplementation.putAll(map, metadata, flags);
}
@Override
public V replace(K key, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.replace(key, value, metadata, flags);
}
@Override
public boolean replace(K key, V oldValue, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.replace(key, oldValue, value, metadata, flags);
}
@Override
public V put(K key, V value, long lifespan, TimeUnit lifespanUnit, long maxIdleTime, TimeUnit maxIdleTimeUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdleTime, maxIdleTimeUnit)
.build();
return cacheImplementation.put(key, value, metadata, flags);
}
@Override
public V putIfAbsent(K key, V value, long lifespan, TimeUnit lifespanUnit, long maxIdleTime, TimeUnit maxIdleTimeUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdleTime, maxIdleTimeUnit)
.build();
return cacheImplementation.putIfAbsent(key, value, metadata, flags);
}
@Override
public void putAll(Map<? extends K, ? extends V> map, long lifespan, TimeUnit lifespanUnit, long maxIdleTime, TimeUnit maxIdleTimeUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdleTime, maxIdleTimeUnit)
.build();
cacheImplementation.putAll(map, metadata, flags);
}
@Override
public V replace(K key, V value, long lifespan, TimeUnit lifespanUnit, long maxIdleTime, TimeUnit maxIdleTimeUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdleTime, maxIdleTimeUnit)
.build();
return cacheImplementation.replace(key, value, metadata, flags);
}
@Override
public boolean replace(K key, V oldValue, V value, long lifespan, TimeUnit lifespanUnit, long maxIdleTime, TimeUnit maxIdleTimeUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdleTime, maxIdleTimeUnit)
.build();
return cacheImplementation.replace(key, oldValue, value, metadata, flags);
}
@Override
public CompletableFuture<V> putAsync(K key, V value) {
return cacheImplementation.putAsync(key, value, cacheImplementation.defaultMetadata, flags);
}
@Override
public CompletableFuture<V> putAsync(K key, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.putAsync(key, value, metadata, flags);
}
@Override
public CompletableFuture<V> putAsync(K key, V value, long lifespan, TimeUnit lifespanUnit, long maxIdle, TimeUnit maxIdleUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdle, maxIdleUnit)
.build();
return cacheImplementation.putAsync(key, value, metadata, flags);
}
@Override
public CompletableFuture<Void> putAllAsync(Map<? extends K, ? extends V> data) {
return cacheImplementation.putAllAsync(data, cacheImplementation.defaultMetadata, flags);
}
@Override
public CompletableFuture<Void> putAllAsync(Map<? extends K, ? extends V> data, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.putAllAsync(data, metadata, flags);
}
@Override
public CompletableFuture<Void> putAllAsync(Map<? extends K, ? extends V> data, long lifespan, TimeUnit lifespanUnit, long maxIdle, TimeUnit maxIdleUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdle, maxIdleUnit)
.build();
return cacheImplementation.putAllAsync(data, metadata, flags);
}
@Override
public CompletableFuture<Void> clearAsync() {
return cacheImplementation.clearAsync(flags);
}
@Override
public CompletableFuture<V> putIfAbsentAsync(K key, V value) {
return cacheImplementation.putIfAbsentAsync(key, value, cacheImplementation.defaultMetadata, flags);
}
@Override
public CompletableFuture<V> putIfAbsentAsync(K key, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.putIfAbsentAsync(key, value, metadata, flags);
}
@Override
public CompletableFuture<V> putIfAbsentAsync(K key, V value, long lifespan, TimeUnit lifespanUnit, long maxIdle, TimeUnit maxIdleUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdle, maxIdleUnit)
.build();
return cacheImplementation.putIfAbsentAsync(key, value, metadata, flags);
}
@Override
public CompletableFuture<V> removeAsync(Object key) {
return cacheImplementation.removeAsync(key, flags);
}
@Override
public CompletableFuture<Boolean> removeAsync(Object key, Object value) {
return cacheImplementation.removeAsync(key, value, flags);
}
@Override
public CompletableFuture<V> replaceAsync(K key, V value) {
return cacheImplementation.replaceAsync(key, value, cacheImplementation.defaultMetadata, flags);
}
@Override
public CompletableFuture<V> replaceAsync(K key, V value, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.replaceAsync(key, value, metadata, flags);
}
@Override
public CompletableFuture<V> replaceAsync(K key, V value, long lifespan, TimeUnit lifespanUnit, long maxIdle, TimeUnit maxIdleUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdle, maxIdleUnit)
.build();
return cacheImplementation.replaceAsync(key, value, metadata, flags);
}
@Override
public CompletableFuture<Boolean> replaceAsync(K key, V oldValue, V newValue) {
return cacheImplementation.replaceAsync(key, oldValue, newValue, cacheImplementation.defaultMetadata, flags);
}
@Override
public CompletableFuture<Boolean> replaceAsync(K key, V oldValue, V newValue, long lifespan, TimeUnit unit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, unit)
.maxIdle(cacheImplementation.defaultMetadata.maxIdle(), MILLISECONDS)
.build();
return cacheImplementation.replaceAsync(key, oldValue, newValue, metadata, flags);
}
@Override
public CompletableFuture<Boolean> replaceAsync(K key, V oldValue, V newValue, long lifespan, TimeUnit lifespanUnit, long maxIdle, TimeUnit maxIdleUnit) {
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan, lifespanUnit)
.maxIdle(maxIdle, maxIdleUnit)
.build();
return cacheImplementation.replaceAsync(key, oldValue, newValue, metadata, flags);
}
@Override
public CompletableFuture<V> getAsync(K key) {
return cacheImplementation.getAsync(key, flags);
}
@Override
public int size() {
return cacheImplementation.size(flags);
}
@Override
public boolean isEmpty() {
return cacheImplementation.isEmpty(flags);
}
@Override
public boolean containsKey(Object key) {
return cacheImplementation.containsKey(key, flags);
}
@Override
public boolean containsValue(Object value) {
Objects.nonNull(value);
return values().stream().anyMatch(StreamMarshalling.equalityPredicate(value));
}
@Override
public V get(Object key) {
return cacheImplementation.get(key, flags);
}
@Override
public Map<K, V> getAll(Set<?> keys) {
return cacheImplementation.getAll(keys, flags);
}
@Override
public V put(K key, V value) {
return cacheImplementation.put(key, value, cacheImplementation.defaultMetadata, flags);
}
@Override
public V remove(Object key) {
return cacheImplementation.remove(key, flags);
}
@Override
public void putAll(Map<? extends K, ? extends V> map, Metadata metadata) {
cacheImplementation.putAll(map, metadata, flags);
}
@Override
public void putAll(Map<? extends K, ? extends V> m) {
cacheImplementation.putAll(m, cacheImplementation.defaultMetadata, flags);
}
@Override
public void clear() {
cacheImplementation.clear(flags);
}
@Override
public CacheSet<K> keySet() {
return cacheImplementation.keySet(flags);
}
@Override
public Map<K, V> getGroup(String groupName) {
return cacheImplementation.getGroup(groupName, flags);
}
@Override
public void removeGroup(String groupName) {
cacheImplementation.removeGroup(groupName, flags);
}
@Override
public CacheCollection<V> values() {
return new ValueCacheCollection<>(this, cacheEntrySet());
}
@Override
public CacheSet<Entry<K, V>> entrySet() {
return cacheImplementation.entrySet(flags);
}
@Override
public CacheSet<CacheEntry<K, V>> cacheEntrySet() {
return cacheImplementation.cacheEntrySet(flags);
}
@Override
public V putIfAbsent(K key, V value) {
return cacheImplementation.putIfAbsent(key, value, cacheImplementation.defaultMetadata, flags);
}
@Override
public boolean remove(Object key, Object value) {
return cacheImplementation.remove(key, value, flags);
}
@Override
public boolean replace(K key, V oldValue, V newValue) {
return cacheImplementation.replace(key, oldValue, newValue, cacheImplementation.defaultMetadata, flags);
}
@Override
public V replace(K key, V value) {
return cacheImplementation.replace(key, value, cacheImplementation.defaultMetadata, flags);
}
//Not exposed on interface
public long getFlagsBitSet() {
return flags;
}
@Override
public void addListener(Object listener) {
cacheImplementation.notifier.addListener(listener, (ClassLoader) null);
}
@Override
public void addListener(Object listener, KeyFilter<? super K> filter) {
cacheImplementation.notifier.addListener(listener, filter, null);
}
@Override
public V put(K key, V value, Metadata metadata) {
return cacheImplementation.put(key, value, metadata, flags);
}
@Override
public CompletableFuture<V> putAsync(K key, V value, Metadata metadata) {
return cacheImplementation.putAsync(key, value, metadata, flags);
}
@Override
public V putIfAbsent(K key, V value, Metadata metadata) {
return cacheImplementation.putIfAbsent(key, value, metadata, flags);
}
@Override
public boolean replace(K key, V oldValue, V value, Metadata metadata) {
return cacheImplementation.replace(key, oldValue, value, metadata, flags);
}
@Override
public V replace(K key, V value, Metadata metadata) {
return cacheImplementation.replace(key, value, metadata, flags);
}
@Override
public CacheEntry getCacheEntry(Object key) {
return cacheImplementation.getCacheEntry(key, flags);
}
}