1 files changed, 86 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/driver/DefaultDriverProvider.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/driver/DefaultDriverProvider.java
new file mode 100644
index 00000000..b2b5281c
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/driver/DefaultDriverProvider.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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 org.onosproject.net.driver;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Maps;
+
+import java.util.Map;
+import java.util.Set;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * Default driver provider implementation.
+ */
+public class DefaultDriverProvider implements DriverProvider {
+
+    protected final Map<String, Driver> drivers = Maps.newConcurrentMap();
+
+    @Override
+    public Set<Driver> getDrivers() {
+        return ImmutableSet.copyOf(drivers.values());
+    }
+
+    /**
+     * Adds the specified drivers to the provider.
+     *
+     * @param drivers drivers to be added
+     */
+    public void addDrivers(Set<Driver> drivers) {
+        drivers.forEach(this::addDriver);
+    }
+
+    /**
+     * Adds the specified driver to the provider.
+     *
+     * @param driver driver to be provided
+     */
+    public void addDriver(Driver driver) {
+        Driver ddc = drivers.get(driver.name());
+        if (ddc == null) {
+            // If we don't have the driver yet, just use the new one.
+            drivers.put(driver.name(), driver);
+        } else {
+            // Otherwise merge the existing driver with the new one and rebind.
+            drivers.put(driver.name(), ddc.merge(driver));
+        }
+    }
+
+    /**
+     * Removes the specified drivers from the provider.
+     *
+     * @param drivers drivers to be removed
+     */
+    public void removeDrivers(Set<Driver> drivers) {
+        drivers.forEach(this::removeDriver);
+    }
+
+    /**
+     * Removes the specified driver from the provider.
+     *
+     * @param driver driver to be removed
+     */
+    public void removeDriver(Driver driver) {
+        // TODO: make selective if possible
+        drivers.remove(driver.name());
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this).add("drivers", drivers).toString();
+    }
+}