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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core;
import com.yahoo.vdslib.state.ClusterState;
import com.yahoo.vdslib.state.Node;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
public class AnnotatedClusterState implements Cloneable {
private final ClusterState clusterState;
private final Map<Node, NodeStateReason> nodeStateReasons;
private final Optional<ClusterStateReason> clusterStateReason;
public static class Builder {
private ClusterState clusterState = ClusterState.emptyState();
private Optional<ClusterStateReason> clusterReason = Optional.empty();
private final Map<Node, NodeStateReason> nodeStateReasons = new HashMap<>();
public Builder clusterState(String stateStr) {
clusterState = ClusterState.stateFromString(stateStr);
return this;
}
public Builder clusterReason(ClusterStateReason reason) {
clusterReason = Optional.of(reason);
return this;
}
public Builder storageNodeReason(int nodeIndex, NodeStateReason reason) {
nodeStateReasons.put(Node.ofStorage(nodeIndex), reason);
return this;
}
AnnotatedClusterState build() {
return new AnnotatedClusterState(clusterState, clusterReason, nodeStateReasons);
}
}
public AnnotatedClusterState(ClusterState clusterState,
Optional<ClusterStateReason> clusterStateReason,
Map<Node, NodeStateReason> nodeStateReasons) {
this.clusterState = Objects.requireNonNull(clusterState, "Cluster state cannot be null");
this.clusterStateReason = Objects.requireNonNull(clusterStateReason, "Cluster state reason cannot be null");
this.nodeStateReasons = Objects.requireNonNull(nodeStateReasons, "Node state reasons cannot be null");
}
public static AnnotatedClusterState emptyState() {
return new AnnotatedClusterState(ClusterState.emptyState(), Optional.empty(), emptyNodeStateReasons());
}
public static AnnotatedClusterState withoutAnnotations(ClusterState state) {
return new AnnotatedClusterState(state, Optional.empty(), emptyNodeStateReasons());
}
static Map<Node, NodeStateReason> emptyNodeStateReasons() {
return Collections.emptyMap();
}
public ClusterState getClusterState() {
return clusterState;
}
public Map<Node, NodeStateReason> getNodeStateReasons() {
return Collections.unmodifiableMap(nodeStateReasons);
}
public Optional<ClusterStateReason> getClusterStateReason() {
return clusterStateReason;
}
public AnnotatedClusterState clone() {
return cloneWithClusterState(clusterState.clone());
}
public AnnotatedClusterState cloneWithClusterState(ClusterState newClusterState) {
return new AnnotatedClusterState(newClusterState,
getClusterStateReason(),
getNodeStateReasons());
}
@Override
public String toString() {
return clusterState.toString();
}
public String toString(boolean verbose) {
return clusterState.toString(verbose);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
AnnotatedClusterState that = (AnnotatedClusterState) o;
return Objects.equals(clusterState, that.clusterState) &&
Objects.equals(nodeStateReasons, that.nodeStateReasons) &&
Objects.equals(clusterStateReason, that.clusterStateReason);
}
@Override
public int hashCode() {
return Objects.hash(clusterState, nodeStateReasons, clusterStateReason);
}
}
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