Implemented exact filter benchmark

Signed-off-by: Calum Murray <cmurray@redhat.com>

data-plane/benchmarks/src/main/java/dev/knative/eventing/kafka/broker/dispatcher/impl/filter/ExactFilterBenchmark.java

@@ -0,0 +1,73 @@
+package dev.knative.eventing.kafka.broker.dispatcher.impl.filter;
+
+import dev.knative.eventing.kafka.broker.dispatcher.Filter;
+import dev.knative.eventing.kafka.broker.dispatcher.impl.filter.subscriptionsapi.ExactFilter;
+import io.cloudevents.CloudEvent;
+import io.cloudevents.core.builder.CloudEventBuilder;
+import io.cloudevents.core.v1.CloudEventV1;
+
+import java.net.URI;
+import java.util.Map;
+
+public class ExactFilterBenchmark {
+
+  public static CloudEvent event() {
+    return CloudEventBuilder.v1()
+      .withId("abc")
+      .withSource(URI.create("http://localhost"))
+      .withType("test")
+      .withDataSchema(URI.create("/api/schema"))
+      .withDataContentType("testContentType")
+      .withSubject("testSubject")
+      .build();
+  }
+
+  public static class ExactFilterBenchmarkExactMatchID extends FilterBenchmark {
+
+    @Override
+    protected Filter createFilter() {
+      return new ExactFilter(Map.of(CloudEventV1.ID, "abc"));
+    }
+
+    @Override
+    protected CloudEvent createEvent() {
+      return event();
+    }
+  }
+
+  public static class ExactFilterBenchmarkAllAttributes extends FilterBenchmark {
+
+    @Override
+    protected Filter createFilter() {
+      return new ExactFilter(Map.of(
+        CloudEventV1.ID, "abc",
+        CloudEventV1.SOURCE, "http://localhost",
+        CloudEventV1.TYPE, "test",
+        CloudEventV1.DATASCHEMA,"/api/schema",
+        CloudEventV1.DATACONTENTTYPE, "testContentType",
+        CloudEventV1.SUBJECT, "testSubject"
+      ));
+    }
+
+    @Override
+    protected CloudEvent createEvent() {
+      return event();
+    }
+  }
+
+  public static class ExactFilterBenchmarkNoMatch extends FilterBenchmark {
+
+    @Override
+    protected Filter createFilter() {
+      return new ExactFilter(Map.of(
+        CloudEventV1.ID, "qwertyuiopasdfghjklzxcvbnm",
+        CloudEventV1.SOURCE, "qwertyuiopasdfghjklzxcvbnm"
+      ));
+    }
+
+    @Override
+    protected CloudEvent createEvent() {
+      return event();
+    }
+  }
+}

data-plane/benchmarks/src/main/java/dev/knative/eventing/kafka/broker/dispatcher/impl/filter/FilterBenchmark.java

@@ -22,7 +22,7 @@
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.infra.Blackhole;
 
-public abstract class FilterBenchmark{
+public abstract class FilterBenchmark {
   Filter filter;
   CloudEvent cloudEvent;