package org.infinispan.container;
import org.infinispan.container.entries.CacheEntry;
import org.infinispan.container.entries.ImmortalCacheEntry;
import org.infinispan.container.entries.ImmortalCacheValue;
import org.infinispan.container.entries.InternalCacheEntry;
import org.infinispan.container.entries.InternalCacheValue;
import org.infinispan.container.entries.L1InternalCacheEntry;
import org.infinispan.container.entries.MortalCacheEntry;
import org.infinispan.container.entries.MortalCacheValue;
import org.infinispan.container.entries.TransientCacheEntry;
import org.infinispan.container.entries.TransientCacheValue;
import org.infinispan.container.entries.TransientMortalCacheEntry;
import org.infinispan.container.entries.TransientMortalCacheValue;
import org.infinispan.container.entries.metadata.L1MetadataInternalCacheEntry;
import org.infinispan.container.entries.metadata.MetadataImmortalCacheEntry;
import org.infinispan.container.entries.metadata.MetadataImmortalCacheValue;
import org.infinispan.container.entries.metadata.MetadataMortalCacheEntry;
import org.infinispan.container.entries.metadata.MetadataMortalCacheValue;
import org.infinispan.container.entries.metadata.MetadataTransientCacheEntry;
import org.infinispan.container.entries.metadata.MetadataTransientCacheValue;
import org.infinispan.container.entries.metadata.MetadataTransientMortalCacheEntry;
import org.infinispan.container.entries.metadata.MetadataTransientMortalCacheValue;
import org.infinispan.container.versioning.EntryVersion;
import org.infinispan.container.versioning.EntryVersionsMap;
import org.infinispan.context.InvocationContext;
import org.infinispan.context.impl.TxInvocationContext;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.metadata.EmbeddedMetadata;
import org.infinispan.metadata.Metadata;
import org.infinispan.util.TimeService;
/**
* An implementation that generates non-versioned entries
*
* @author Manik Surtani
* @since 5.1
*/
public class InternalEntryFactoryImpl implements InternalEntryFactory {
private TimeService timeService;
@Inject
public void injectTimeService(TimeService timeService) {
this.timeService = timeService;
}
@Override
public InternalCacheEntry create(Object key, Object value, Metadata metadata) {
long lifespan = metadata != null ? metadata.lifespan() : -1;
long maxIdle = metadata != null ? metadata.maxIdle() : -1;
if (!isStoreMetadata(metadata, null)) {
if (lifespan < 0 && maxIdle < 0) return new ImmortalCacheEntry(key, value);
if (lifespan > -1 && maxIdle < 0) return new MortalCacheEntry(key, value, lifespan, timeService.wallClockTime());
if (lifespan < 0 && maxIdle > -1) return new TransientCacheEntry(key, value, maxIdle, timeService.wallClockTime());
return new TransientMortalCacheEntry(key, value, maxIdle, lifespan, timeService.wallClockTime());
} else {
if (lifespan < 0 && maxIdle < 0) return new MetadataImmortalCacheEntry(key, value, metadata);
if (lifespan > -1 && maxIdle < 0) return new MetadataMortalCacheEntry(key, value, metadata, timeService.wallClockTime());
if (lifespan < 0 && maxIdle > -1) return new MetadataTransientCacheEntry(key, value, metadata, timeService.wallClockTime());
return new MetadataTransientMortalCacheEntry(key, value, metadata, timeService.wallClockTime());
}
}
@Override
public InternalCacheEntry create(CacheEntry cacheEntry) {
return create(cacheEntry.getKey(), cacheEntry.getValue(),
cacheEntry.getMetadata(), cacheEntry.getLifespan(), cacheEntry.getMaxIdle());
}
@Override
public InternalCacheEntry create(Object key, Object value, InternalCacheEntry cacheEntry) {
return create(key, value, cacheEntry.getMetadata(), cacheEntry.getCreated(),
cacheEntry.getLifespan(), cacheEntry.getLastUsed(), cacheEntry.getMaxIdle());
}
@Override
public InternalCacheEntry create(Object key, Object value, EntryVersion version, long created, long lifespan, long lastUsed, long maxIdle) {
if (version == null) {
if (lifespan < 0 && maxIdle < 0) return new ImmortalCacheEntry(key, value);
if (lifespan > -1 && maxIdle < 0) return new MortalCacheEntry(key, value, lifespan, created);
if (lifespan < 0 && maxIdle > -1) return new TransientCacheEntry(key, value, maxIdle, lastUsed);
return new TransientMortalCacheEntry(key, value, maxIdle, lifespan, lastUsed, created);
} else {
// If no metadata passed, assumed embedded metadata
Metadata metadata = new EmbeddedMetadata.Builder()
.lifespan(lifespan).maxIdle(maxIdle).version(version).build();
if (lifespan < 0 && maxIdle < 0) return new MetadataImmortalCacheEntry(key, value, metadata);
if (lifespan > -1 && maxIdle < 0) return new MetadataMortalCacheEntry(key, value, metadata, created);
if (lifespan < 0 && maxIdle > -1) return new MetadataTransientCacheEntry(key, value, metadata, lastUsed);
return new MetadataTransientMortalCacheEntry(key, value, metadata, lastUsed, created);
}
}
@Override
public InternalCacheEntry create(Object key, Object value, Metadata metadata, long created, long lifespan, long lastUsed, long maxIdle) {
if (!isStoreMetadata(metadata, null)) {
if (lifespan < 0 && maxIdle < 0) return new ImmortalCacheEntry(key, value);
if (lifespan > -1 && maxIdle < 0) return new MortalCacheEntry(key, value, lifespan, created);
if (lifespan < 0 && maxIdle > -1) return new TransientCacheEntry(key, value, maxIdle, lastUsed);
return new TransientMortalCacheEntry(key, value, maxIdle, lifespan, lastUsed, created);
} else {
// Metadata to store, take lifespan and maxIdle settings from it
long metaLifespan = metadata.lifespan();
long metaMaxIdle = metadata.maxIdle();
if (metaLifespan < 0 && metaMaxIdle < 0) return new MetadataImmortalCacheEntry(key, value, metadata);
if (metaLifespan > -1 && metaMaxIdle < 0) return new MetadataMortalCacheEntry(key, value, metadata, created);
if (metaLifespan < 0 && metaMaxIdle > -1) return new MetadataTransientCacheEntry(key, value, metadata, lastUsed);
return new MetadataTransientMortalCacheEntry(key, value, metadata, lastUsed, created);
}
}
@Override
public InternalCacheValue createValue(CacheEntry cacheEntry) {
Metadata metadata = cacheEntry.getMetadata();
long lifespan = cacheEntry.getLifespan();
long maxIdle = cacheEntry.getMaxIdle();
if (!isStoreMetadata(metadata, null)) {
if (lifespan < 0 && maxIdle < 0) return new ImmortalCacheValue(cacheEntry.getValue());
if (lifespan > -1 && maxIdle < 0) return new MortalCacheValue(cacheEntry.getValue(), -1, lifespan);
if (lifespan < 0 && maxIdle > -1) return new TransientCacheValue(cacheEntry.getValue(), maxIdle, -1);
return new TransientMortalCacheValue(cacheEntry.getValue(), -1, lifespan, maxIdle, -1);
} else {
if (lifespan < 0 && maxIdle < 0) return new MetadataImmortalCacheValue(cacheEntry.getValue(), cacheEntry.getMetadata());
if (lifespan > -1 && maxIdle < 0) return new MetadataMortalCacheValue(cacheEntry.getValue(), cacheEntry.getMetadata(), -1);
if (lifespan < 0 && maxIdle > -1) return new MetadataTransientCacheValue(cacheEntry.getValue(), cacheEntry.getMetadata(), -1);
return new MetadataTransientMortalCacheValue(cacheEntry.getValue(), cacheEntry.getMetadata(), -1, -1);
}
}
@Override
// TODO: Do we need this???
public InternalCacheEntry create(Object key, Object value, Metadata metadata, long lifespan, long maxIdle) {
if (!isStoreMetadata(metadata, null)) {
if (lifespan < 0 && maxIdle < 0) return new ImmortalCacheEntry(key, value);
if (lifespan > -1 && maxIdle < 0) return new MortalCacheEntry(key, value, lifespan, timeService.wallClockTime());
if (lifespan < 0 && maxIdle > -1) return new TransientCacheEntry(key, value, maxIdle, timeService.wallClockTime());
return new TransientMortalCacheEntry(key, value, maxIdle, lifespan, timeService.wallClockTime());
} else {
// Metadata to store, take lifespan and maxIdle settings from it
long metaLifespan = metadata.lifespan();
long metaMaxIdle = metadata.maxIdle();
if (metaLifespan < 0 && metaMaxIdle < 0) return new MetadataImmortalCacheEntry(key, value, metadata);
if (metaLifespan > -1 && metaMaxIdle < 0) return new MetadataMortalCacheEntry(key, value, metadata, timeService.wallClockTime());
if (metaLifespan < 0 && metaMaxIdle > -1) return new MetadataTransientCacheEntry(key, value, metadata, timeService.wallClockTime());
return new MetadataTransientMortalCacheEntry(key, value, metadata, timeService.wallClockTime());
}
}
@Override
public InternalCacheEntry update(InternalCacheEntry ice, Metadata metadata) {
if (!isStoreMetadata(metadata, ice))
return updateMetadataUnawareEntry(ice, metadata.lifespan(), metadata.maxIdle());
else
return updateMetadataAwareEntry(ice, metadata);
}
@Override
public InternalCacheEntry update(InternalCacheEntry cacheEntry, Object value, Metadata metadata) {
// Update value and metadata atomically. Any attempt to get a copy of
// the cache entry should also acquire the same lock, to avoid returning
// partially applied cache entry updates
synchronized (cacheEntry) {
cacheEntry.setValue(value);
InternalCacheEntry original = cacheEntry;
cacheEntry = update(cacheEntry, metadata);
// we have the same instance. So we need to reincarnate, if mortal.
if (cacheEntry.getLifespan() > 0 && original == cacheEntry) {
cacheEntry.reincarnate(timeService.wallClockTime());
}
return cacheEntry;
}
}
@Override
public CacheEntry copy(CacheEntry cacheEntry) {
synchronized (cacheEntry) {
return cacheEntry.clone();
}
}
@Override
public <K, V> InternalCacheEntry createL1(K key, V value, Metadata metadata) {
if (!isStoreMetadata(metadata, null)) {
return new L1InternalCacheEntry(key, value, metadata.lifespan(), timeService.wallClockTime());
} else {
return new L1MetadataInternalCacheEntry(key, value, metadata, timeService.wallClockTime());
}
}
@Override
public InternalCacheValue getValueFromCtxOrCreateNew(Object key, InvocationContext ctx) {
CacheEntry entry = ctx.lookupEntry(key);
if (entry instanceof InternalCacheEntry) {
return ((InternalCacheEntry) entry).toInternalCacheValue();
} else {
if (ctx.isInTxScope()) {
EntryVersionsMap updatedVersions =
((TxInvocationContext) ctx).getCacheTransaction().getUpdatedEntryVersions();
if (updatedVersions != null) {
EntryVersion version = updatedVersions.get(entry.getKey());
if (version != null) {
Metadata metadata = entry.getMetadata();
if (metadata == null) {
// If no metadata passed, assumed embedded metadata
metadata = new EmbeddedMetadata.Builder()
.lifespan(entry.getLifespan()).maxIdle(entry.getMaxIdle())
.version(version).build();
return create(entry.getKey(), entry.getValue(), metadata)
.toInternalCacheValue();
} else {
metadata = metadata.builder().version(version).build();
return create(entry.getKey(), entry.getValue(), metadata)
.toInternalCacheValue();
}
}
}
}
return create(entry).toInternalCacheValue();
}
}
private InternalCacheEntry updateMetadataUnawareEntry(InternalCacheEntry ice, long lifespan, long maxIdle) {
if (ice instanceof ImmortalCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
return ice;
} else {
return new TransientCacheEntry(ice.getKey(), ice.getValue(), maxIdle, timeService.wallClockTime());
}
} else {
if (maxIdle < 0) {
return new MortalCacheEntry(ice.getKey(), ice.getValue(), lifespan, timeService.wallClockTime());
} else {
long ctm = timeService.wallClockTime();
return new TransientMortalCacheEntry(ice.getKey(), ice.getValue(), maxIdle, lifespan, ctm, ctm);
}
}
} else if (ice instanceof MortalCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
return new ImmortalCacheEntry(ice.getKey(), ice.getValue());
} else {
return new TransientCacheEntry(ice.getKey(), ice.getValue(), maxIdle, timeService.wallClockTime());
}
} else {
if (maxIdle < 0) {
((MortalCacheEntry) ice).setLifespan(lifespan);
return ice;
} else {
long ctm = timeService.wallClockTime();
return new TransientMortalCacheEntry(ice.getKey(), ice.getValue(), maxIdle, lifespan, ctm, ctm);
}
}
} else if (ice instanceof TransientCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
return new ImmortalCacheEntry(ice.getKey(), ice.getValue());
} else {
((TransientCacheEntry) ice).setMaxIdle(maxIdle);
return ice;
}
} else {
if (maxIdle < 0) {
return new MortalCacheEntry(ice.getKey(), ice.getValue(), lifespan, timeService.wallClockTime());
} else {
long ctm = timeService.wallClockTime();
return new TransientMortalCacheEntry(ice.getKey(), ice.getValue(), maxIdle, lifespan, ctm, ctm);
}
}
} else if (ice instanceof TransientMortalCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
return new ImmortalCacheEntry(ice.getKey(), ice.getValue());
} else {
return new TransientCacheEntry(ice.getKey(), ice.getValue(), maxIdle, timeService.wallClockTime());
}
} else {
if (maxIdle < 0) {
return new MortalCacheEntry(ice.getKey(), ice.getValue(), lifespan, timeService.wallClockTime());
} else {
TransientMortalCacheEntry transientMortalEntry = (TransientMortalCacheEntry) ice;
transientMortalEntry.setLifespan(lifespan);
transientMortalEntry.setMaxIdle(maxIdle);
return ice;
}
}
}
return ice;
}
private InternalCacheEntry updateMetadataAwareEntry(InternalCacheEntry ice, Metadata metadata) {
long lifespan = metadata.lifespan();
long maxIdle = metadata.maxIdle();
if (ice instanceof MetadataImmortalCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
ice.setMetadata(metadata);
return ice;
} else {
return new MetadataTransientCacheEntry(ice.getKey(), ice.getValue(), metadata, timeService.wallClockTime());
}
} else {
if (maxIdle < 0) {
return new MetadataMortalCacheEntry(ice.getKey(), ice.getValue(), metadata, timeService.wallClockTime());
} else {
long ctm = timeService.wallClockTime();
return new MetadataTransientMortalCacheEntry(ice.getKey(), ice.getValue(), metadata, ctm, ctm);
}
}
} else if (ice instanceof MetadataMortalCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
return new MetadataImmortalCacheEntry(ice.getKey(), ice.getValue(), metadata);
} else {
return new MetadataTransientCacheEntry(ice.getKey(), ice.getValue(), metadata, timeService.wallClockTime());
}
} else {
if (maxIdle < 0) {
ice.setMetadata(metadata);
return ice;
} else {
long ctm = timeService.wallClockTime();
return new MetadataTransientMortalCacheEntry(ice.getKey(), ice.getValue(), metadata, ctm, ctm);
}
}
} else if (ice instanceof MetadataTransientCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
return new MetadataImmortalCacheEntry(ice.getKey(), ice.getValue(), metadata);
} else {
ice.setMetadata(metadata);
return ice;
}
} else {
if (maxIdle < 0) {
return new MetadataMortalCacheEntry(ice.getKey(), ice.getValue(), metadata, timeService.wallClockTime());
} else {
long ctm = timeService.wallClockTime();
return new MetadataTransientMortalCacheEntry(ice.getKey(), ice.getValue(), metadata, ctm, ctm);
}
}
} else if (ice instanceof MetadataTransientMortalCacheEntry) {
if (lifespan < 0) {
if (maxIdle < 0) {
return new MetadataImmortalCacheEntry(ice.getKey(), ice.getValue(), metadata);
} else {
return new MetadataTransientCacheEntry(ice.getKey(), ice.getValue(), metadata, timeService.wallClockTime());
}
} else {
if (maxIdle < 0) {
return new MetadataMortalCacheEntry(ice.getKey(), ice.getValue(), metadata, timeService.wallClockTime());
} else {
ice.setMetadata(metadata);
return ice;
}
}
}
return ice;
}
/**
* Indicates whether the entire metadata object needs to be stored or not.
*
* This check is done to avoid keeping the entire metadata object around
* when only lifespan or maxIdle time is stored. If more information
* needs to be stored (i.e. version), or the metadata object is not the
* embedded one, keep the entire metadata object around.
*
* @return true if the entire metadata object needs to be stored, otherwise
* simply store lifespan and/or maxIdle in existing cache entries
*/
private boolean isStoreMetadata(Metadata metadata, InternalCacheEntry ice) {
return metadata != null
&& (ice == null || isEntryMetadataAware(ice))
&& (metadata.version() != null
|| !(metadata instanceof EmbeddedMetadata));
}
private boolean isEntryMetadataAware(InternalCacheEntry ice) {
return ice instanceof MetadataImmortalCacheEntry
|| ice instanceof MetadataMortalCacheEntry
|| ice instanceof MetadataTransientCacheEntry
|| ice instanceof MetadataTransientMortalCacheEntry;
}
}