diff options
Diffstat (limited to 'metrics-proxy')
| -rw-r--r-- | metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java b/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java index dcee4100f98..148b838c3c2 100644 --- a/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java +++ b/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java @@ -1,6 +1,9 @@ // Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. package ai.vespa.metricsproxy.metric.model; +import com.yahoo.yolean.concurrent.CopyOnWriteHashMap; + +import java.util.Map; import java.util.Objects; /** @@ -8,11 +11,14 @@ import java.util.Objects; */ public class MetricId { + private static final Map<String, MetricId> dictionary = new CopyOnWriteHashMap<>(); public static final MetricId empty = toMetricId(""); public final String id; private MetricId(String id) { this.id = id; } - public static MetricId toMetricId(String id) { return new MetricId(id); } + public static MetricId toMetricId(String id) { + return dictionary.computeIfAbsent(id, key -> new MetricId(key)); + } @Override public boolean equals(Object o) { |