HONEYCOMB-360 - Separate ProviderTrait to dedicated project

This change is necessary to break dep cycle, that would by introduced
by splitting netconf and data-core modules. Also allows to reduce
use in hc2vpp(some project incude whole minimal-distribution-core
just because of this one interface)

Change-Id: I7744b4dc78f6d6797263b10bbc4ead545a2f6593
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/infra/binding-init/src/main/java/io/fd/honeycomb/binding/init/ProviderTrait.java b/infra/binding-init/src/main/java/io/fd/honeycomb/binding/init/ProviderTrait.java
new file mode 100644
index 000000000..ab000465f
--- /dev/null
+++ b/infra/binding-init/src/main/java/io/fd/honeycomb/binding/init/ProviderTrait.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2017 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.binding.init;
+
+import com.google.inject.Provider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public abstract class ProviderTrait<T> implements Provider<T> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ProviderTrait.class);
+
+    @Override
+    public T get() {
+        LOG.info("Providing: {}", this);
+        T create = create();
+        LOG.debug("Provided: {}", create);
+        return create;
+    }
+
+    protected abstract T create();
+}