package com.zillabyte.motherbrain.flow.collectors.coordinated.support;
import java.util.Iterator;
import com.google.common.collect.Iterators;
public final class EmptyTupleIdSet implements TupleIdSet {
/**
*
*/
private static final long serialVersionUID = 6597632044060629248L;
@Override
public void add(Object t) {
throw new IllegalStateException("this is an immutable empty tupleset");
}
@Override
public void addAll(TupleIdSet set) {
throw new IllegalStateException("this is an immutable empty tupleset");
}
@Override
public void removeAll(TupleIdSet set) {
// Do nothing
}
@Override
public int size() {
return 0;
}
@Override
public TupleIdSet getTupleIdsOlderThan(Long time) {
return this;
}
@Override
public Iterator<Object> iterator() {
return Iterators.emptyIterator();
}
@Override
public void cleanup() {
}
@Override
public Long getOldest() {
return null;
}
@Override
public TupleIdSet clone() {
return this;
}
@Override
public void setTimestamp(TupleIdSet set, Long time) {
}
@Override
public void remove(Object t) {
}
@Override
public void clear() {
}
}