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package com.yahoo.vespa.hosted.provision.node.filter;
import com.google.common.collect.ImmutableSet;
import com.yahoo.config.provision.HostFilter;
import com.yahoo.config.provision.NodeType;
import com.yahoo.vespa.hosted.provision.Node;
import java.util.Collections;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
/**
* @author bratseth
*/
public class NodeTypeFilter extends NodeFilter {
private final Set<NodeType> types;
protected NodeTypeFilter(Set<NodeType> types, NodeFilter next) {
super(next);
Objects.requireNonNull(types, "Node types cannot be null");
this.types = ImmutableSet.copyOf(types);
}
@Override
public boolean matches(Node node) {
if (! types.isEmpty() && ! types.contains(node.type())) return false;
return nextMatches(node);
}
/** Returns a copy of the given filter which only matches for the given type */
public static NodeTypeFilter from(NodeType type, NodeFilter filter) {
return new NodeTypeFilter(Collections.singleton(type), filter);
}
/** Returns a node filter which matches a comma or space-separated list of types */
public static NodeTypeFilter from(String types, NodeFilter next) {
return new NodeTypeFilter(HostFilter.split(types).stream().map(NodeType::valueOf).collect(Collectors.toSet()), next);
}
}
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