[ONOS-4164] Failed path info store

Change-Id: I8e16493ce479d2489b16fc76b56f55455927cb56
diff --git a/apps/pce/app/src/test/java/org/onosproject/pce/pcestore/DistributedPceStoreTest.java b/apps/pce/app/src/test/java/org/onosproject/pce/pcestore/DistributedPceStoreTest.java
index a64db83..e1ca650 100644
--- a/apps/pce/app/src/test/java/org/onosproject/pce/pcestore/DistributedPceStoreTest.java
+++ b/apps/pce/app/src/test/java/org/onosproject/pce/pcestore/DistributedPceStoreTest.java
@@ -29,6 +29,7 @@
 import org.junit.BeforeClass;
 import org.junit.Test;
 
+import org.onlab.util.DataRateUnit;
 import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
 import org.onosproject.incubator.net.resource.label.LabelResource;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
@@ -38,9 +39,12 @@
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.ElementId;
+import org.onosproject.net.intent.Constraint;
+import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.Link;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.pce.pceservice.LspType;
 import org.onosproject.pce.pceservice.TunnelConsumerId;
 import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
 import org.onosproject.net.provider.ProviderId;
@@ -82,6 +86,10 @@
     private TunnelId tunnelId4 = TunnelId.valueOf("4");
     private PceccTunnelInfo pceccTunnelInfo1;
     private PceccTunnelInfo pceccTunnelInfo2;
+    private PcePathInfo failedPathInfo1;
+    private PcePathInfo failedPathInfo2;
+    private PcePathInfo failedPathInfo3;
+    private PcePathInfo failedPathInfo4;
 
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
@@ -150,6 +158,50 @@
        lspLocalLabelInfoList2.add(lspLocalLabel2);
 
        pceccTunnelInfo2 = new PceccTunnelInfo(lspLocalLabelInfoList2, tunnelConsumerId2);
+
+       // Creates failedPathInfo1
+       DeviceId src1 = DeviceId.deviceId("foo1");
+       DeviceId dst1 = DeviceId.deviceId("goo1");
+       String name1 = "pcc1";
+       LspType lspType1 = LspType.SR_WITHOUT_SIGNALLING;
+       List<Constraint> constraints1 = new LinkedList<>();
+       Constraint bandwidth1 = BandwidthConstraint.of(200, DataRateUnit.BPS);
+       constraints1.add(bandwidth1);
+
+       failedPathInfo1 = new PcePathInfo(src1, dst1, name1, constraints1, lspType1);
+
+       // Creates failedPathInfo2
+       DeviceId src2 = DeviceId.deviceId("foo2");
+       DeviceId dst2 = DeviceId.deviceId("goo2");
+       String name2 = "pcc2";
+       LspType lspType2 = LspType.SR_WITHOUT_SIGNALLING;
+       List<Constraint> constraints2 = new LinkedList<>();
+       Constraint bandwidth2 = BandwidthConstraint.of(400, DataRateUnit.BPS);
+       constraints2.add(bandwidth2);
+
+       failedPathInfo2 = new PcePathInfo(src2, dst2, name2, constraints2, lspType2);
+
+       // Creates failedPathInfo3
+       DeviceId src3 = DeviceId.deviceId("foo3");
+       DeviceId dst3 = DeviceId.deviceId("goo3");
+       String name3 = "pcc3";
+       LspType lspType3 = LspType.SR_WITHOUT_SIGNALLING;
+       List<Constraint> constraints3 = new LinkedList<>();
+       Constraint bandwidth3 = BandwidthConstraint.of(500, DataRateUnit.BPS);
+       constraints3.add(bandwidth3);
+
+       failedPathInfo3 = new PcePathInfo(src3, dst3, name3, constraints3, lspType3);
+
+       // Creates failedPathInfo4
+       DeviceId src4 = DeviceId.deviceId("foo4");
+       DeviceId dst4 = DeviceId.deviceId("goo4");
+       String name4 = "pcc4";
+       LspType lspType4 = LspType.SR_WITHOUT_SIGNALLING;
+       List<Constraint> constraints4 = new LinkedList<>();
+       Constraint bandwidth4 = BandwidthConstraint.of(600, DataRateUnit.BPS);
+       constraints4.add(bandwidth4);
+
+       failedPathInfo4 = new PcePathInfo(src4, dst4, name4, constraints4, lspType4);
     }
 
     @After
@@ -211,6 +263,22 @@
     }
 
     /**
+     * Checks the operation of addFailedPathInfo() method.
+     */
+    @Test
+    public void testAddFailedPathInfo() {
+        // initialization
+        distrPceStore.storageService = new TestStorageService();
+        distrPceStore.activate();
+
+        // PcePathInfo with pce path input information
+        distrPceStore.addFailedPathInfo(failedPathInfo1);
+        assertThat(distrPceStore.existsFailedPathInfo(failedPathInfo1), is(true));
+        distrPceStore.addFailedPathInfo(failedPathInfo2);
+        assertThat(distrPceStore.existsFailedPathInfo(failedPathInfo2), is(true));
+    }
+
+    /**
      * Checks the operation of existsGlobalNodeLabel() method.
      */
     @Test
@@ -248,6 +316,19 @@
     }
 
     /**
+     * Checks the operation of existsFailedPathInfo() method.
+     */
+    @Test
+    public void testExistsFailedPathInfo() {
+        testAddFailedPathInfo();
+
+        assertThat(distrPceStore.existsFailedPathInfo(failedPathInfo1), is(true));
+        assertThat(distrPceStore.existsFailedPathInfo(failedPathInfo2), is(true));
+        assertThat(distrPceStore.existsFailedPathInfo(failedPathInfo3), is(false));
+        assertThat(distrPceStore.existsFailedPathInfo(failedPathInfo4), is(false));
+    }
+
+    /**
      * Checks the operation of getGlobalNodeLabelCount() method.
      */
     @Test
@@ -278,6 +359,16 @@
     }
 
     /**
+     * Checks the operation of getFailedPathInfoCount() method.
+     */
+    @Test
+    public void testGetFailedPathInfoCount() {
+        testAddFailedPathInfo();
+
+        assertThat(distrPceStore.getFailedPathInfoCount(), is(2));
+    }
+
+    /**
      * Checks the operation of getGlobalNodeLabels() method.
      */
     @Test
@@ -317,6 +408,18 @@
     }
 
     /**
+     * Checks the operation of getFailedPathInfos() method.
+     */
+    @Test
+    public void testGetFailedPathInfos() {
+        testAddFailedPathInfo();
+
+        Iterable<PcePathInfo> failedPathInfoSet = distrPceStore.getFailedPathInfos();
+        assertThat(failedPathInfoSet, is(notNullValue()));
+        assertThat(failedPathInfoSet.iterator().hasNext(), is(true));
+    }
+
+    /**
      * Checks the operation of getGlobalNodeLabel() method.
      */
     @Test
@@ -451,4 +554,17 @@
         assertThat(distrPceStore.removeTunnelInfo(tunnelId1), is(true));
         assertThat(distrPceStore.removeTunnelInfo(tunnelId2), is(true));
     }
+
+    /**
+     * Checks the operation of removeFailedPathInfo() method.
+     */
+    @Test
+    public void testRemoveFailedPathInfo() {
+        testAddFailedPathInfo();
+
+        assertThat(distrPceStore.removeFailedPathInfo(failedPathInfo1), is(true));
+        assertThat(distrPceStore.removeFailedPathInfo(failedPathInfo2), is(true));
+        assertThat(distrPceStore.removeFailedPathInfo(failedPathInfo3), is(false));
+        assertThat(distrPceStore.removeFailedPathInfo(failedPathInfo4), is(false));
+    }
 }
diff --git a/apps/pce/app/src/test/java/org/onosproject/pce/pcestore/PcePathInfoTest.java b/apps/pce/app/src/test/java/org/onosproject/pce/pcestore/PcePathInfoTest.java
new file mode 100644
index 0000000..09b60ab
--- /dev/null
+++ b/apps/pce/app/src/test/java/org/onosproject/pce/pcestore/PcePathInfoTest.java
@@ -0,0 +1,104 @@
+/*
+ * 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.pcestore;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+import com.google.common.testing.EqualsTester;
+
+import java.util.List;
+import java.util.LinkedList;
+
+import org.junit.Test;
+import org.onlab.util.DataRateUnit;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.intent.Constraint;
+import org.onosproject.net.intent.constraint.BandwidthConstraint;
+import org.onosproject.pce.pceservice.LspType;
+
+/**
+ * Unit tests for PcePathInfo class.
+ */
+public class PcePathInfoTest {
+
+    /**
+     * Checks the operation of equals() methods.
+     */
+    @Test
+    public void testEquals() {
+        // create same two objects.
+        DeviceId src1 = DeviceId.deviceId("foo1");
+        DeviceId dst1 = DeviceId.deviceId("goo1");
+        String name1 = "pcc1";
+        LspType lspType1 = LspType.WITH_SIGNALLING;
+        List<Constraint> constraints1 = new LinkedList<>();
+        Constraint bandwidth11 = BandwidthConstraint.of(100, DataRateUnit.BPS);
+        constraints1.add(bandwidth11);
+        Constraint bandwidth12 = BandwidthConstraint.of(200, DataRateUnit.BPS);
+        constraints1.add(bandwidth12);
+        Constraint bandwidth13 = BandwidthConstraint.of(300, DataRateUnit.BPS);
+        constraints1.add(bandwidth13);
+
+        PcePathInfo pathInfo1 = new PcePathInfo(src1, dst1, name1, constraints1, lspType1);
+
+        // create same object as above object
+        PcePathInfo samePathInfo1 = new PcePathInfo(src1, dst1, name1, constraints1, lspType1);
+
+        // Create different object.
+        DeviceId src2 = DeviceId.deviceId("foo2");
+        DeviceId dst2 = DeviceId.deviceId("goo2");
+        String name2 = "pcc2";
+        LspType lspType2 = LspType.SR_WITHOUT_SIGNALLING;
+        List<Constraint> constraints2 = new LinkedList<>();
+        Constraint bandwidth21 = BandwidthConstraint.of(400, DataRateUnit.BPS);
+        constraints2.add(bandwidth21);
+        Constraint bandwidth22 = BandwidthConstraint.of(800, DataRateUnit.BPS);
+        constraints2.add(bandwidth22);
+
+        PcePathInfo pathInfo2 = new PcePathInfo(src2, dst2, name2, constraints2, lspType2);
+
+        new EqualsTester().addEqualityGroup(pathInfo1, samePathInfo1)
+                          .addEqualityGroup(pathInfo2)
+                          .testEquals();
+    }
+
+    /**
+     * Checks the construction of a PcePathInfo object.
+     */
+    @Test
+    public void testConstruction() {
+        DeviceId src = DeviceId.deviceId("foo2");
+        DeviceId dst = DeviceId.deviceId("goo2");
+        String name = "pcc2";
+        LspType lspType = LspType.SR_WITHOUT_SIGNALLING;
+        List<Constraint> constraints = new LinkedList<>();
+        Constraint bandwidth1 = BandwidthConstraint.of(100, DataRateUnit.BPS);
+        constraints.add(bandwidth1);
+        Constraint bandwidth2 = BandwidthConstraint.of(200, DataRateUnit.BPS);
+        constraints.add(bandwidth2);
+        Constraint bandwidth3 = BandwidthConstraint.of(300, DataRateUnit.BPS);
+        constraints.add(bandwidth3);
+
+        PcePathInfo pathInfo = new PcePathInfo(src, dst, name, constraints, lspType);
+
+        assertThat(src, is(pathInfo.src()));
+        assertThat(dst, is(pathInfo.dst()));
+        assertThat(name, is(pathInfo.name()));
+        assertThat(constraints, is(pathInfo.constraints()));
+        assertThat(lspType, is(pathInfo.lspType()));
+    }
+}
diff --git a/apps/pce/app/src/test/java/org/onosproject/pce/util/PceStoreAdapter.java b/apps/pce/app/src/test/java/org/onosproject/pce/util/PceStoreAdapter.java
new file mode 100644
index 0000000..beaf8ae
--- /dev/null
+++ b/apps/pce/app/src/test/java/org/onosproject/pce/util/PceStoreAdapter.java
@@ -0,0 +1,211 @@
+/*
+ * 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.util;
+
+import com.google.common.collect.ImmutableSet;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.pce.pcestore.PceccTunnelInfo;
+import org.onosproject.pce.pcestore.PcePathInfo;
+import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
+import org.onosproject.pce.pcestore.api.PceStore;
+
+/**
+ * Provides test implementation of PceStore.
+ */
+public class PceStoreAdapter implements PceStore {
+
+    // Mapping device with global node label
+    private ConcurrentMap<DeviceId, LabelResourceId> globalNodeLabelMap = new ConcurrentHashMap<>();
+
+    // Mapping link with adjacency label
+    private ConcurrentMap<Link, LabelResourceId> adjLabelMap = new ConcurrentHashMap<>();
+
+    // Mapping tunnel with device local info with tunnel consumer id
+    private ConcurrentMap<TunnelId, PceccTunnelInfo> tunnelInfoMap = new ConcurrentHashMap<>();
+
+    // Set of Path info
+    private Set<PcePathInfo> failedPathInfoSet = new HashSet<>();
+
+    @Override
+    public boolean existsGlobalNodeLabel(DeviceId id) {
+        return globalNodeLabelMap.containsKey(id);
+    }
+
+    @Override
+    public boolean existsAdjLabel(Link link) {
+        return adjLabelMap.containsKey(link);
+    }
+
+    @Override
+    public boolean existsTunnelInfo(TunnelId tunnelId) {
+        return tunnelInfoMap.containsKey(tunnelId);
+    }
+
+    @Override
+    public boolean existsFailedPathInfo(PcePathInfo pathInfo) {
+        return failedPathInfoSet.contains(pathInfo);
+    }
+
+    @Override
+    public int getGlobalNodeLabelCount() {
+        return globalNodeLabelMap.size();
+    }
+
+    @Override
+    public int getAdjLabelCount() {
+        return adjLabelMap.size();
+    }
+
+    @Override
+    public int getTunnelInfoCount() {
+        return tunnelInfoMap.size();
+    }
+
+    @Override
+    public int getFailedPathInfoCount() {
+        return failedPathInfoSet.size();
+    }
+
+    @Override
+    public Map<DeviceId, LabelResourceId> getGlobalNodeLabels() {
+       return globalNodeLabelMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue()));
+    }
+
+    @Override
+    public Map<Link, LabelResourceId> getAdjLabels() {
+       return adjLabelMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue()));
+    }
+
+    @Override
+    public Map<TunnelId, PceccTunnelInfo> getTunnelInfos() {
+       return tunnelInfoMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (PceccTunnelInfo) e.getValue()));
+    }
+
+    @Override
+    public Iterable<PcePathInfo> getFailedPathInfos() {
+       return ImmutableSet.copyOf(failedPathInfoSet);
+    }
+
+    @Override
+    public LabelResourceId getGlobalNodeLabel(DeviceId id) {
+        return globalNodeLabelMap.get(id);
+    }
+
+    @Override
+    public LabelResourceId getAdjLabel(Link link) {
+        return adjLabelMap.get(link);
+    }
+
+    @Override
+    public PceccTunnelInfo getTunnelInfo(TunnelId tunnelId) {
+        return tunnelInfoMap.get(tunnelId);
+    }
+
+    @Override
+    public void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId) {
+        globalNodeLabelMap.put(deviceId, labelId);
+    }
+
+    @Override
+    public void addAdjLabel(Link link, LabelResourceId labelId) {
+        adjLabelMap.put(link, labelId);
+    }
+
+    @Override
+    public void addTunnelInfo(TunnelId tunnelId, PceccTunnelInfo pceccTunnelInfo) {
+        tunnelInfoMap.put(tunnelId, pceccTunnelInfo);
+    }
+
+    @Override
+    public void addFailedPathInfo(PcePathInfo pathInfo) {
+        failedPathInfoSet.add(pathInfo);
+    }
+
+    @Override
+    public boolean updateTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList) {
+        if (!tunnelInfoMap.containsKey((tunnelId))) {
+            return false;
+        }
+
+        PceccTunnelInfo labelStoreInfo = tunnelInfoMap.get(tunnelId);
+        labelStoreInfo.lspLocalLabelInfoList(lspLocalLabelInfoList);
+        tunnelInfoMap.put(tunnelId, labelStoreInfo);
+        return true;
+    }
+
+    @Override
+    public boolean updateTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId) {
+        if (!tunnelInfoMap.containsKey((tunnelId))) {
+            return false;
+        }
+
+        PceccTunnelInfo tunnelInfo = tunnelInfoMap.get(tunnelId);
+        tunnelInfo.tunnelConsumerId(tunnelConsumerId);
+        tunnelInfoMap.put(tunnelId, tunnelInfo);
+        return true;
+    }
+
+    @Override
+    public boolean removeGlobalNodeLabel(DeviceId id) {
+        globalNodeLabelMap.remove(id);
+        if (globalNodeLabelMap.containsKey(id)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean removeAdjLabel(Link link) {
+        adjLabelMap.remove(link);
+        if (adjLabelMap.containsKey(link)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean removeTunnelInfo(TunnelId tunnelId) {
+        tunnelInfoMap.remove(tunnelId);
+        if (tunnelInfoMap.containsKey(tunnelId)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean removeFailedPathInfo(PcePathInfo pathInfo) {
+        if (failedPathInfoSet.remove(pathInfo)) {
+            return false;
+        }
+        return true;
+    }
+}