From f2500b8a48b32eb0b99ffaa4c640dd077cae1dfd Mon Sep 17 00:00:00 2001
From: Jon Marius Venstad <jvenstad@yahoo-inc.com>
Date: Tue, 16 Apr 2019 12:40:29 +0200
Subject: Fill Query

---
 .../main/java/com/yahoo/vespa/tenant/cd/Query.java | 44 ++++++++++++++++++++++
 .../com/yahoo/vespa/tenant/cd/metrics/Metric.java  |  2 +-
 .../com/yahoo/vespa/tenant/cd/metrics/Space.java   |  1 -
 3 files changed, 45 insertions(+), 2 deletions(-)

(limited to 'tenant-cd')

diff --git a/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/Query.java b/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/Query.java
index e7b6baa1406..80dbfe4385a 100644
--- a/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/Query.java
+++ b/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/Query.java
@@ -1,5 +1,12 @@
 package com.yahoo.vespa.tenant.cd;
 
+import java.util.Map;
+import java.util.stream.Stream;
+
+import static java.util.Map.copyOf;
+import static java.util.stream.Collectors.joining;
+import static java.util.stream.Collectors.toUnmodifiableMap;
+
 /**
  * An immutable query to send to a Vespa {@link Endpoint}, to receive a {@link Search}.
  *
@@ -7,4 +14,41 @@ package com.yahoo.vespa.tenant.cd;
  */
 public class Query {
 
+    private final String rawQuery;
+    private final Map<String, String> parameters;
+
+    private Query(String rawQuery, Map<String, String> parameters) {
+        this.rawQuery = rawQuery;
+        this.parameters = parameters;
+    }
+
+    /** Creates a query with the given raw query part. */
+    public static Query ofRaw(String rawQuery) {
+        if (rawQuery.isBlank())
+            throw new IllegalArgumentException("Query can not be blank.");
+
+        return new Query(rawQuery,
+                         Stream.of(rawQuery.split("&"))
+                               .map(pair -> pair.split("="))
+                               .collect(toUnmodifiableMap(pair -> pair[0], pair -> pair[1])));
+    }
+
+    /** Creates a query with the given name-value pairs. */
+    public static Query ofParameters(Map<String, String> parameters) {
+        if (parameters.isEmpty())
+            throw new IllegalArgumentException("Parameters can not be empty.");
+
+        return new Query(parameters.entrySet().stream()
+                                   .map(entry -> entry.getKey() + "=" + entry.getValue())
+                                   .collect(joining("&")),
+                         copyOf(parameters));
+    }
+
+    /** Returns a copy of this with the given name-value pair added, potentially overriding any current value. */
+    public Query withParameter(String name, String value) {
+        return ofParameters(Stream.concat(parameters.entrySet().stream().filter(entry -> ! entry.getKey().equals(name)),
+                                          Stream.of(Map.entry(name, value)))
+                                  .collect(toUnmodifiableMap(Map.Entry::getKey, Map.Entry::getValue)));
+    }
+
 }
diff --git a/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Metric.java b/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Metric.java
index b7517668e8f..37adf8239fc 100644
--- a/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Metric.java
+++ b/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Metric.java
@@ -10,7 +10,7 @@ import static java.util.Map.copyOf;
 import static java.util.stream.Collectors.toUnmodifiableMap;
 
 /**
- * A set of statistics for a metric, for points over a String-indexed space.
+ * A set of statistics for a metric, for points over a space with named dimensions of arbitrary type.
  *
  * @author jonmv
  */
diff --git a/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Space.java b/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Space.java
index 31f1557a2ee..38066373b28 100644
--- a/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Space.java
+++ b/tenant-cd/src/main/java/com/yahoo/vespa/tenant/cd/metrics/Space.java
@@ -1,6 +1,5 @@
 package com.yahoo.vespa.tenant.cd.metrics;
 
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-- 
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