[Goldeneye] [ONOS-4158] Implement path computation algorithm based on various constraints

Change-Id: I82d3f41146c56a2d7671dc3dbef4d050ae70cc9a
diff --git a/apps/pce/src/main/java/org/onosproject/pce/pceservice/LspType.java b/apps/pce/src/main/java/org/onosproject/pce/pceservice/LspType.java
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+++ b/apps/pce/src/main/java/org/onosproject/pce/pceservice/LspType.java
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+/*
+ * Copyright 2016-present 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.pce.pceservice;
+
+/**
+ * Representation of LSP type.
+ */
+public enum LspType {
+    /**
+     * Signifies that path is created via signaling mode.
+     */
+    WITH_SIGNALLING(0),
+
+    /**
+     * Signifies that path is created via SR mode.
+     */
+    SR_WITHOUT_SIGNALLING(1),
+
+    /**
+     * Signifies that path is created via without signaling and without SR mode.
+     */
+    WITHOUT_SIGNALLING_AND_WITHOUT_SR(2);
+
+    int value;
+
+    /**
+     * Assign val with the value as the LSP type.
+     *
+     * @param val LSP type
+     */
+    LspType(int val) {
+        value = val;
+    }
+
+    /**
+     * Returns value of LSP type.
+     *
+     * @return LSP type
+     */
+    public byte type() {
+        return (byte) value;
+    }
+}
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