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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.configserver.noderepository;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.yahoo.vespa.hosted.node.admin.configserver.noderepository.reports.BaseReport;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import java.util.TreeMap;
import java.util.stream.Collectors;
import static com.yahoo.yolean.Exceptions.uncheck;
/**
* API of node reports within node-admin.
*
* @author hakonhall
*/
public class NodeReports {
private static final ObjectMapper mapper = new ObjectMapper();
private final Map<String, JsonNode> reports = new TreeMap<>();
public NodeReports() { }
public NodeReports(NodeReports reports) {
this.reports.putAll(reports.reports);
}
private NodeReports(Map<String, JsonNode> reports) {
this.reports.putAll(Objects.requireNonNull(reports));
}
public static NodeReports fromMap(Map<String, JsonNode> reports) {
return new NodeReports(reports);
}
public void setReport(String reportId, JsonNode jsonNode) {
reports.put(reportId, jsonNode);
}
public boolean hasReport(String reportId) { return reports.containsKey(reportId); }
public <T> Optional<T> getReport(String reportId, Class<T> jacksonClass) {
return Optional.ofNullable(reports.get(reportId)).map(r -> uncheck(() -> mapper.treeToValue(r, jacksonClass)));
}
/** Gets all reports of the given types and deserialize with the given jacksonClass. */
public <T> TreeMap<String, T> getReports(Class<T> jacksonClass, BaseReport.Type... types) {
Set<BaseReport.Type> typeSet = Set.of(types);
return reports.entrySet().stream()
.filter(entry -> {
JsonNode reportType = entry.getValue().findValue(BaseReport.TYPE_FIELD);
if (reportType == null || !reportType.isTextual()) return false;
Optional<BaseReport.Type> type = BaseReport.Type.deserialize(reportType.asText());
return type.map(typeSet::contains).orElse(false);
})
.collect(Collectors.toMap(
entry -> entry.getKey(),
entry -> uncheck(() -> mapper.treeToValue(entry.getValue(), jacksonClass)),
(x,y) -> x, // resolves key collisions - cannot happen.
TreeMap::new
));
}
public void removeReport(String reportId) {
if (reports.containsKey(reportId)) {
reports.put(reportId, null);
}
}
public Map<String, JsonNode> getRawMap() {
return new TreeMap<>(reports);
}
/** Apply the override to this. null value means removing report. */
public void updateFromRawMap(Map<String, JsonNode> override) {
override.forEach((reportId, jsonNode) -> {
if (jsonNode == null) {
reports.remove(reportId);
} else {
reports.put(reportId, jsonNode);
}
});
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
NodeReports that = (NodeReports) o;
return Objects.equals(reports, that.reports);
}
@Override
public int hashCode() {
return Objects.hash(reports);
}
}
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