Add missing classloader matchers for expensive matchers (DataDog/dd-trace-java#1617)

Author: richardstartin

instrumentation/jdbc/src/main/java/io/opentelemetry/auto/instrumentation/jdbc/ConnectionInstrumentation.java

@@ -16,6 +16,7 @@
 
 package io.opentelemetry.auto.instrumentation.jdbc;
 
+import static io.opentelemetry.auto.tooling.ClassLoaderMatcher.hasClassesNamed;
 import static io.opentelemetry.auto.tooling.bytebuddy.matcher.AgentElementMatchers.hasInterface;
 import static io.opentelemetry.auto.tooling.bytebuddy.matcher.AgentElementMatchers.implementsInterface;
 import static java.util.Collections.singletonMap;
@@ -40,6 +41,11 @@ public ConnectionInstrumentation() {
     super("jdbc");
   }
 
+  @Override
+  public ElementMatcher<ClassLoader> classLoaderMatcher() {
+    return hasClassesNamed("java.sql.Connection");
+  }
+
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return implementsInterface(named("java.sql.Connection"));

instrumentation/jdbc/src/main/java/io/opentelemetry/auto/instrumentation/jdbc/DriverInstrumentation.java

@@ -16,6 +16,7 @@
 
 package io.opentelemetry.auto.instrumentation.jdbc;
 
+import static io.opentelemetry.auto.tooling.ClassLoaderMatcher.hasClassesNamed;
 import static io.opentelemetry.auto.tooling.bytebuddy.matcher.AgentElementMatchers.implementsInterface;
 import static java.util.Collections.singletonMap;
 import static net.bytebuddy.matcher.ElementMatchers.nameStartsWith;
@@ -42,6 +43,11 @@ public DriverInstrumentation() {
     super("jdbc");
   }
 
+  @Override
+  public ElementMatcher<ClassLoader> classLoaderMatcher() {
+    return hasClassesNamed("java.sql.Driver");
+  }
+
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return implementsInterface(named("java.sql.Driver"));

instrumentation/jdbc/src/main/java/io/opentelemetry/auto/instrumentation/jdbc/PreparedStatementInstrumentation.java

@@ -17,6 +17,7 @@
 package io.opentelemetry.auto.instrumentation.jdbc;
 
 import static io.opentelemetry.auto.instrumentation.jdbc.JdbcTracer.TRACER;
+import static io.opentelemetry.auto.tooling.ClassLoaderMatcher.hasClassesNamed;
 import static io.opentelemetry.auto.tooling.bytebuddy.matcher.AgentElementMatchers.implementsInterface;
 import static java.util.Collections.singletonMap;
 import static net.bytebuddy.matcher.ElementMatchers.isPublic;
@@ -43,6 +44,11 @@ public PreparedStatementInstrumentation() {
     super("jdbc");
   }
 
+  @Override
+  public ElementMatcher<ClassLoader> classLoaderMatcher() {
+    return hasClassesNamed("java.sql.PreparedStatement");
+  }
+
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return implementsInterface(named("java.sql.PreparedStatement"));

instrumentation/jdbc/src/main/java/io/opentelemetry/auto/instrumentation/jdbc/StatementInstrumentation.java

@@ -17,6 +17,7 @@
 package io.opentelemetry.auto.instrumentation.jdbc;
 
 import static io.opentelemetry.auto.instrumentation.jdbc.JdbcTracer.TRACER;
+import static io.opentelemetry.auto.tooling.ClassLoaderMatcher.hasClassesNamed;
 import static io.opentelemetry.auto.tooling.bytebuddy.matcher.AgentElementMatchers.implementsInterface;
 import static java.util.Collections.singletonMap;
 import static net.bytebuddy.matcher.ElementMatchers.isPublic;
@@ -43,6 +44,11 @@ public StatementInstrumentation() {
     super("jdbc");
   }
 
+  @Override
+  public ElementMatcher<ClassLoader> classLoaderMatcher() {
+    return hasClassesNamed("java.sql.Statement");
+  }
+
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return implementsInterface(named("java.sql.Statement"));

instrumentation/rediscala-1.8/src/main/java/io/opentelemetry/auto/instrumentation/rediscala/RediscalaInstrumentation.java

@@ -18,6 +18,7 @@
 
 import static io.opentelemetry.auto.instrumentation.rediscala.RediscalaClientDecorator.DECORATE;
 import static io.opentelemetry.auto.instrumentation.rediscala.RediscalaClientDecorator.TRACER;
+import static io.opentelemetry.auto.tooling.ClassLoaderMatcher.hasClassesNamed;
 import static io.opentelemetry.auto.tooling.bytebuddy.matcher.AgentElementMatchers.safeHasSuperType;
 import static io.opentelemetry.auto.tooling.matcher.NameMatchers.namedOneOf;
 import static io.opentelemetry.trace.Span.Kind.CLIENT;
@@ -51,6 +52,11 @@ public RediscalaInstrumentation() {
     super("rediscala", "redis");
   }
 
+  @Override
+  public ElementMatcher<ClassLoader> classLoaderMatcher() {
+    return hasClassesNamed("redis.Request");
+  }
+
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return safeHasSuperType(