package org.infinispan.commands.write;
import org.infinispan.commands.Visitor;
import org.infinispan.config.Configuration;
import org.infinispan.container.DataContainer;
import org.infinispan.container.entries.InternalCacheEntry;
import org.infinispan.context.InvocationContext;
import org.infinispan.distribution.DistributionManager;
import org.infinispan.marshall.Ids;
import org.infinispan.marshall.Marshallable;
import org.infinispan.marshall.exts.ReplicableCommandExternalizer;
import org.infinispan.notifications.cachelistener.CacheNotifier;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.util.Arrays;
import java.util.Collection;
/**
* Invalidates an entry in a L1 cache (used with DIST mode)
*
* @author Manik Surtani
* @since 4.0
*/
@Marshallable(externalizer = ReplicableCommandExternalizer.class, id = Ids.INVALIDATE_L1_COMMAND)
public class InvalidateL1Command extends InvalidateCommand {
public static final int COMMAND_ID = 7;
private static final Log log = LogFactory.getLog(InvalidateL1Command.class);
private DistributionManager dm;
private DataContainer dataContainer;
private Configuration config;
private boolean forRehash;
public InvalidateL1Command() {
}
public InvalidateL1Command(boolean forRehash, DataContainer dc, Configuration config, DistributionManager dm,
CacheNotifier notifier, Object... keys) {
super(notifier, keys);
this.dm = dm;
this.forRehash = forRehash;
this.dataContainer = dc;
this.config = config;
}
public InvalidateL1Command(boolean forRehash, DataContainer dc, Configuration config, DistributionManager dm,
CacheNotifier notifier, Collection<Object> keys) {
super(notifier, keys);
this.dm = dm;
this.forRehash = forRehash;
this.dataContainer = dc;
this.config = config;
}
@Override
public byte getCommandId() {
return COMMAND_ID;
}
public void init(Configuration config, DistributionManager dm, CacheNotifier n, DataContainer dc) {
super.init(n);
this.dm = dm;
this.config = config;
this.dataContainer = dc;
}
@Override
public Object perform(InvocationContext ctx) throws Throwable {
if (forRehash && config.isL1OnRehash()) {
for (Object k : getKeys()) {
InternalCacheEntry ice = dataContainer.get(k);
if (ice != null) {
if (log.isTraceEnabled()) log.trace("Not removing, instead putting entry into L1.");
dataContainer.put(k, ice.getValue(), config.getL1Lifespan(), config.getExpirationMaxIdle());
}
}
} else {
for (Object k : getKeys()) {
if (!dm.isLocal(k)) invalidate(ctx, k);
}
}
return null;
}
public void setKeys(Object [] keys){
this.keys = keys;
}
@Override
public boolean shouldInvoke(InvocationContext ctx) {
if (ctx.isOriginLocal() || (forRehash && config.isL1OnRehash())) return true;
boolean invoke = false;
for (Object k: getKeys()) {
invoke = invoke || !dm.isLocal(k);
if (invoke) return true;
}
return invoke;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
InvalidateL1Command that = (InvalidateL1Command) o;
if (forRehash != that.forRehash) return false;
return true;
}
@Override
public Object[] getParameters() {
if (keys == null || keys.length == 0) {
return new Object[]{forRehash};
} else if (keys.length == 1) {
return new Object[]{forRehash, 1, keys[0]};
} else {
Object[] retval = new Object[keys.length + 2];
retval[0] = forRehash;
retval[1] = keys.length;
System.arraycopy(keys, 0, retval, 2, keys.length);
return retval;
}
}
@Override
public void setParameters(int commandId, Object[] args) {
forRehash = (Boolean) args[0];
int size = (Integer) args[1];
keys = new Object[size];
if (size == 1) {
keys[0] = args[2];
} else if (size > 0) {
System.arraycopy(args, 2, keys, 0, size);
}
}
@Override
public Object acceptVisitor(InvocationContext ctx, Visitor visitor) throws Throwable {
return visitor.visitInvalidateL1Command(ctx, this);
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (forRehash ? 1 : 0);
return result;
}
@Override
public String toString() {
return getClass().getSimpleName() + "{" +
"keys=" + Arrays.toString(keys) +
", forRehash=" + forRehash +
'}';
}
}