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-rw-r--r--infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/activation/ActiveModules.java57
1 files changed, 57 insertions, 0 deletions
diff --git a/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/activation/ActiveModules.java b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/activation/ActiveModules.java
new file mode 100644
index 000000000..f729f00b9
--- /dev/null
+++ b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/activation/ActiveModules.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.infra.distro.activation;
+
+import static java.lang.String.format;
+
+import com.google.inject.Module;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * Provides static set of active activeModulesClasses
+ */
+public class ActiveModules {
+ private final Set<Class<? extends Module>> activeModulesClasses;
+
+ public ActiveModules(final Set<Class<? extends Module>> activeModulesClasses) {
+ this.activeModulesClasses = activeModulesClasses;
+ }
+
+ public Set<Class<? extends Module>> getActiveModulesClasses() {
+ return activeModulesClasses;
+ }
+
+ public Set<? extends Module> createModuleInstances() {
+ return activeModulesClasses.stream()
+ .map(moduleClass -> {
+ try {
+ return moduleClass.newInstance();
+ } catch (InstantiationException | IllegalAccessException e) {
+ throw new IllegalStateException(format("Unable to create instance of module %s", moduleClass),
+ e);
+ }
+ }).collect(Collectors.toSet());
+ }
+
+ @Override
+ public String toString() {
+ return "ActiveModules{" +
+ "activeModulesClasses=" + activeModulesClasses +
+ '}';
+ }
+}