1 files changed, 92 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/ExtensionCriterion.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/ExtensionCriterion.java
new file mode 100644
index 00000000..646b4184
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/ExtensionCriterion.java
@@ -0,0 +1,92 @@
+/*
+ * 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.flow.criteria;
+
+import org.onosproject.net.DeviceId;
+
+import java.util.Objects;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * Criterion for implementing selector extensions.
+ */
+public class ExtensionCriterion implements Criterion {
+
+    private final ExtensionSelector extensionSelector;
+    private final DeviceId deviceId;
+
+    /**
+     * Constructor.
+     *
+     * @param extensionSelector extension selector
+     */
+    public ExtensionCriterion(ExtensionSelector extensionSelector, DeviceId deviceId) {
+        this.extensionSelector = extensionSelector;
+        this.deviceId = deviceId;
+    }
+
+    /**
+     * Returns the extension selector.
+     *
+     * @return extension selector
+     */
+    public ExtensionSelector extensionSelector() {
+        return extensionSelector;
+    }
+
+    /**
+     * Returns the device ID.
+     *
+     * @return device ID
+     */
+    public DeviceId deviceId() {
+        return deviceId;
+    }
+
+    @Override
+    public Type type() {
+        return Type.EXTENSION;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(type().toString())
+                .add("extensionSelector", extensionSelector.toString())
+                .add("deviceId", deviceId)
+                .toString();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(type().ordinal(), extensionSelector, deviceId);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof ExtensionCriterion) {
+            ExtensionCriterion that = (ExtensionCriterion) obj;
+            return Objects.equals(extensionSelector, that.extensionSelector) &&
+                    Objects.equals(deviceId, that.deviceId) &&
+                    Objects.equals(this.type(), that.type());
+        }
+        return false;
+    }
+}