package org.infinispan.counter.impl.strong;
import org.infinispan.commons.marshall.AdvancedExternalizer;
import org.infinispan.counter.api.StrongCounter;
import org.infinispan.counter.impl.entries.CounterKey;
import org.infinispan.counter.impl.externalizers.ExternalizerIds;
import org.infinispan.util.ByteString;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Collections;
import java.util.Objects;
import java.util.Set;
/**
* The key to store in the {@link org.infinispan.Cache} used by {@link StrongCounter}.
*
* @author Pedro Ruivo
* @see StrongCounter
* @since 9.0
*/
public class StrongCounterKey implements CounterKey {
public static final AdvancedExternalizer<StrongCounterKey> EXTERNALIZER = new Externalizer();
private final ByteString counterName;
StrongCounterKey(String counterName) {
this(ByteString.fromString(counterName));
}
private StrongCounterKey(ByteString counterName) {
this.counterName = Objects.requireNonNull(counterName);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
StrongCounterKey that = (StrongCounterKey) o;
return counterName.equals(that.counterName);
}
@Override
public int hashCode() {
return counterName.hashCode();
}
@Override
public String toString() {
return "CounterKey{" +
"counterName=" + counterName +
'}';
}
@Override
public ByteString getCounterName() {
return counterName;
}
private static class Externalizer implements AdvancedExternalizer<StrongCounterKey> {
private Externalizer() {
}
@Override
public Set<Class<? extends StrongCounterKey>> getTypeClasses() {
return Collections.singleton(StrongCounterKey.class);
}
@Override
public Integer getId() {
return ExternalizerIds.STRONG_COUNTER_KEY;
}
@Override
public void writeObject(ObjectOutput output, StrongCounterKey object) throws IOException {
ByteString.writeObject(output, object.counterName);
}
@Override
public StrongCounterKey readObject(ObjectInput input) throws IOException, ClassNotFoundException {
return new StrongCounterKey(ByteString.readObject(input));
}
}
}