Moving all files to root directory

Change-Id: Ica5535fd6ec85f350fe1640b42137b49f83f10f0
Signed-off-by: Patrick Brady <pb071s@att.com>

20 files changed, 1091 insertions, 0 deletions

diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/AbstractRankedAttributesResolverFactory.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/AbstractRankedAttributesResolverFactory.java
new file mode 100644
index 000000000..75480b300
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/AbstractRankedAttributesResolverFactory.java
@@ -0,0 +1,35 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework;
+
+import org.openecomp.appc.rankingframework.impl.DefaultRankedAttributesTreeFactory;
+
+public abstract class AbstractRankedAttributesResolverFactory implements RankedAttributesResolverFactory {
+
+    private static class ReferenceHolder {
+        private static final RankedAttributesResolverFactory INSTANCE = new DefaultRankedAttributesTreeFactory();
+    }
+
+    public static RankedAttributesResolverFactory getInstance() {
+        return ReferenceHolder.INSTANCE;
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/ConfigurationEntry.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/ConfigurationEntry.java
new file mode 100644
index 000000000..77fa8930d
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/ConfigurationEntry.java
@@ -0,0 +1,27 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework;
+
+public interface ConfigurationEntry<R> {
+    Object getAttributeValue(String name);
+    R getResult();
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/ConfigurationSet.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/ConfigurationSet.java
new file mode 100644
index 000000000..2e862d9fc
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/ConfigurationSet.java
@@ -0,0 +1,30 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework;
+
+import java.util.Collection;
+
+public interface ConfigurationSet<R> {
+    Collection<String> getRankedAttributeNames();
+
+    Iterable<ConfigurationEntry<R>> getEntries();
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesContext.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesContext.java
new file mode 100644
index 000000000..a8d9b71ec
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesContext.java
@@ -0,0 +1,26 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework;
+
+public interface RankedAttributesContext {
+    Object getAttributeValue(String name);
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesResolver.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesResolver.java
new file mode 100644
index 000000000..1948ccc1f
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesResolver.java
@@ -0,0 +1,26 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework;
+
+public interface RankedAttributesResolver<R> {
+    R resolve(RankedAttributesContext context);
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesResolverFactory.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesResolverFactory.java
new file mode 100644
index 000000000..7267c046c
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/RankedAttributesResolverFactory.java
@@ -0,0 +1,26 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework;
+
+public interface RankedAttributesResolverFactory {
+    <R> RankedAttributesResolver<R> create(ConfigurationSet<R> config);
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/BacktraceStrategy.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/BacktraceStrategy.java
new file mode 100644
index 000000000..1365ae834
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/BacktraceStrategy.java
@@ -0,0 +1,119 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.openecomp.appc.rankingframework.RankedAttributesContext;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+class BacktraceStrategy implements Strategy {
+
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(BacktraceStrategy.class);
+
+    @Override
+    public <R> R resolve(CompositeNode<R> rootNode, List<String> rankedNames, RankedAttributesContext context) {
+
+        if (logger.isDebugEnabled()) {
+            StringBuilder buff = new StringBuilder(128);
+            for (String name : rankedNames) {
+                buff.append("/{").append(name).append(" = ").append(Utils.value(context.getAttributeValue(name))).append('}');
+            }
+            logger.debug(String.format("Trying to resolve path: %s", buff));
+        }
+
+        Set<String> visited = new HashSet<>();
+
+        CompositeNode<R> parentNode = rootNode;
+        int depth = 0;
+        boolean stop = false;
+        R result = null;
+
+        String attribute = null;
+        Object value = null;
+
+        do {
+            if (value == null) {
+                attribute = rankedNames.get(depth);
+                value = Utils.value(context.getAttributeValue(attribute));
+            }
+
+            Node<R> childNode = parentNode.children().get(value);
+
+            if (childNode != null) {
+                if (logger.isDebugEnabled()) {
+                    logger.debug(String.format("Found matching node '%s' - checking it out", childNode));
+                }
+
+                if (!visited.add(childNode.id())) {
+                    if (logger.isDebugEnabled()) {
+                        logger.debug(String.format("The matching node '%s' was checked before - ignoring it", childNode));
+                    }
+                    childNode = null;
+                }
+            } else {
+                if (logger.isDebugEnabled()) {
+                    logger.debug(String.format("Node '%s/{%s = %s}' not found  - falling back", parentNode, attribute, value != null ? value : "NULL"));
+                }
+            }
+
+            if (childNode != null) {
+                switch (childNode.type()) {
+                    case COMPOSITE:
+                        depth++;
+                        value = null;
+                        parentNode = (CompositeNode<R>) childNode;
+                        break;
+                    case LEAF:
+                        if (logger.isDebugEnabled()) {
+                            logger.debug( String.format("Result node has been resolved succesfully - '%s'", childNode));
+                        }
+                        result = ((LeafNode<R>) childNode).result();
+                        stop = true;
+                        break;
+                    default:
+                        throw new IllegalStateException(childNode.type().name());
+                }
+            } else {
+                if (!value.equals(Constants.DEFAULT_MATCH)) {
+                    logger.debug("Exact match didn't work, trying the default option, if any");
+                    value = Constants.DEFAULT_MATCH;
+                } else if (depth > 0) {
+                    if (logger.isDebugEnabled()) {
+                        logger.debug(String.format("Exact match didn't work and no default option available beneath '%s' - moving out", parentNode));
+                    }
+                    depth--;
+                    value = null;
+                    parentNode = parentNode.parent();
+                } else {
+                    logger.debug("Didn't success to resolve the path - stopping without result");
+                    stop = true;
+                }
+            }
+        } while (!stop);
+
+        return result;
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/CompositeNode.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/CompositeNode.java
new file mode 100644
index 000000000..0b5e633f3
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/CompositeNode.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+import java.util.Map;
+
+class CompositeNode<R> extends NodeBase<R> {
+
+    private final Map<Object, Node<R>> children;
+
+    CompositeNode(String name, Object value, CompositeNode<R> parent, Map<Object, Node<R>> children) {
+        super(name, value, parent, Type.COMPOSITE);
+        this.children = children;
+    }
+
+    Map<Object, Node<R>> children() {
+        return children;
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Constants.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Constants.java
new file mode 100644
index 000000000..4111131e2
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Constants.java
@@ -0,0 +1,30 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+class Constants {
+
+    private Constants() {
+    }
+
+    static final String DEFAULT_MATCH = "*";
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/DefaultRankedAttributesTreeFactory.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/DefaultRankedAttributesTreeFactory.java
new file mode 100644
index 000000000..d7c48dae6
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/DefaultRankedAttributesTreeFactory.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import org.openecomp.appc.rankingframework.ConfigurationSet;
+import org.openecomp.appc.rankingframework.RankedAttributesResolver;
+import org.openecomp.appc.rankingframework.RankedAttributesResolverFactory;
+
+public final class DefaultRankedAttributesTreeFactory implements RankedAttributesResolverFactory {
+
+    private final Strategy DEFAULT_STRATEGY = new BacktraceStrategy();
+
+    @Override
+    public <R> RankedAttributesResolver<R> create(ConfigurationSet<R> config) {
+
+        CompositeNode<R> root = RankedAttributesTreeBuilder.build(config);
+        RankedAttributesResolver<R> tree = new RankedAttributesTree<R>(root, toList(config.getRankedAttributeNames()),
+                DEFAULT_STRATEGY);
+        return tree;
+    }
+
+    private static List<String> toList(Collection<String> col) {
+        return Collections.unmodifiableList(new ArrayList<>(col));
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/LeafNode.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/LeafNode.java
new file mode 100644
index 000000000..1b1dffdc8
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/LeafNode.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+class LeafNode<R> extends NodeBase<R> {
+
+    private final R result;
+
+    LeafNode(String name, Object value, CompositeNode<R> parent, R result) {
+        super(name, value, parent, Type.LEAF);
+        this.result = result;
+    }
+
+    R result() {
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        StringBuffer buff = new StringBuffer(128);
+        buff.append(super.toString());
+        buff.append(" --> ");
+        buff.append(result.toString());
+        return buff.toString();
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Node.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Node.java
new file mode 100644
index 000000000..c33e4d875
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Node.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+interface Node<R> {
+    enum Type {
+        LEAF, COMPOSITE
+    }
+
+    String id();
+
+    String name();
+
+    Object value();
+
+    CompositeNode<R> parent();
+
+    Type type();
+
+    boolean isDefaultMatch();
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/NodeBase.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/NodeBase.java
new file mode 100644
index 000000000..747d9cfd2
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/NodeBase.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+import java.util.UUID;
+
+abstract class NodeBase<R> implements Node<R> {
+
+    private final String name;
+    private final Object value;
+    private final Type type;
+    private final CompositeNode<R> parent;
+    private final String id = UUID.randomUUID().toString();
+
+    NodeBase(String name, Object value, CompositeNode<R> parent, Type type) {
+        this.name = name;
+        this.value = value;
+        this.parent = parent;
+        this.type = type;
+    }
+
+    @Override
+    public String id() {
+        return id;
+    }
+
+    @Override
+    public Type type() {
+        return type;
+    }
+
+    @Override
+    public String name() {
+        return name;
+    }
+
+    @Override
+    public Object value() {
+        return value;
+    }
+
+    @Override
+    public CompositeNode<R> parent() {
+        return parent;
+    }
+
+    @Override
+    public boolean isDefaultMatch() {
+        return value.equals(Constants.DEFAULT_MATCH);
+    }
+
+    @Override
+    public String toString() {
+        if (!name.equals("ROOT")) {
+            StringBuffer buff = new StringBuffer(128);
+            if (parent != null) {
+                buff.append(parent.toString());
+            }
+            buff.append("/{");
+            buff.append(name).append(" = ").append(value);
+            buff.append("}");
+
+            return buff.toString();
+        } else {
+            return "";
+        }
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/RankedAttributesTree.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/RankedAttributesTree.java
new file mode 100644
index 000000000..305af85a6
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/RankedAttributesTree.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+import java.util.List;
+
+import org.openecomp.appc.rankingframework.RankedAttributesContext;
+import org.openecomp.appc.rankingframework.RankedAttributesResolver;
+
+class RankedAttributesTree<R> implements RankedAttributesResolver<R> {
+
+    private final CompositeNode<R> root;
+    private final Strategy strategy;
+    private final List<String> rankedNames;
+
+    RankedAttributesTree(CompositeNode<R> root, List<String> rankedNames, Strategy strategy) {
+        this.root = root;
+        this.rankedNames = rankedNames;
+        this.strategy = strategy;
+    }
+
+    @Override
+    public R resolve(RankedAttributesContext context) {
+        return strategy.resolve(root, rankedNames, context);
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/RankedAttributesTreeBuilder.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/RankedAttributesTreeBuilder.java
new file mode 100644
index 000000000..16aee5607
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/RankedAttributesTreeBuilder.java
@@ -0,0 +1,100 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+import java.util.HashMap;
+
+import org.openecomp.appc.rankingframework.ConfigurationEntry;
+import org.openecomp.appc.rankingframework.ConfigurationSet;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+class RankedAttributesTreeBuilder {
+
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(RankedAttributesTreeBuilder.class);
+
+    private RankedAttributesTreeBuilder() {
+    }
+
+    static <R> CompositeNode<R> build(ConfigurationSet<R> config) {
+
+        Object[] names = config.getRankedAttributeNames().toArray();
+
+        CompositeNode<R> root = new CompositeNode<>("ROOT", Constants.DEFAULT_MATCH, null,
+                new HashMap<Object, Node<R>>());
+
+        if (logger.isDebugEnabled()) {
+            logger.debug(String.format("Building decision tree for ranked attributes: %s", config.getRankedAttributeNames()));
+        }
+
+        for (ConfigurationEntry<R> entry : config.getEntries()) {
+            process(entry, names, root);
+        }
+
+        return root;
+    }
+
+    private static <R> void process(ConfigurationEntry<R> entry, Object[] names, CompositeNode<R> root) {
+        CompositeNode<R> parentNode = null;
+        for (int i = 0; i < names.length; i++) {
+
+            if (i == 0) {
+                parentNode = root;
+            }
+
+            final String name = (String) names[i];
+
+            final Object value = value(entry, name);
+
+            if (i < names.length - 1) {
+                CompositeNode<R> currentNode = (CompositeNode<R>) parentNode.children().get(value);
+                if (currentNode == null) {
+                    currentNode = new CompositeNode<>(name, value, parentNode, new HashMap<Object, Node<R>>());
+                    parentNode.children().put(value, currentNode);
+                }
+                parentNode = currentNode;
+            } else {
+                LeafNode<R> currentNode = (LeafNode<R>) parentNode.children().get(value);
+                if (currentNode == null) {
+                    currentNode = new LeafNode<R>(name, value, parentNode, entry.getResult());
+                    parentNode.children().put(value, currentNode);
+
+                    if (logger.isDebugEnabled()) {
+                        logger.debug(String.format("Branch has been created: %s", currentNode));
+                    }
+                } else {
+                    logger.error(
+                            String.format("Duplicated configuration entry has been detected for attribute '%s' with value '%s' - the node '%s'exists already",
+                                    name,
+                                    value,
+                                    currentNode));
+                    throw new IllegalArgumentException("Duplicated configuration entry: " + currentNode);
+                }
+            }
+        }
+    }
+
+    private static <R> Object value(ConfigurationEntry<R> entry, String name) {
+        Object value = entry.getAttributeValue(name);
+        return Utils.value(value);
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Strategy.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Strategy.java
new file mode 100644
index 000000000..121f1fb2d
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Strategy.java
@@ -0,0 +1,30 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+import java.util.List;
+
+import org.openecomp.appc.rankingframework.RankedAttributesContext;
+
+interface Strategy {
+    <R> R resolve(CompositeNode<R> root, List<String> rankedNames, RankedAttributesContext context);
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Utils.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Utils.java
new file mode 100644
index 000000000..88ca6d5f5
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/main/java/org/openecomp/appc/rankingframework/impl/Utils.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework.impl;
+
+class Utils {
+
+    private Utils() {
+    }
+
+    static <R> Object value(Object value) {
+        if (value == null || (value instanceof String && isEmpty((String) value))) {
+            value = Constants.DEFAULT_MATCH;
+        }
+
+        return value;
+    }
+
+    private static boolean isEmpty(String str) {
+        return str == null || str.length() == 0;
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/java/org/openecomp/appc/rankingframework/TestRankingFramework.java b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/java/org/openecomp/appc/rankingframework/TestRankingFramework.java
new file mode 100644
index 000000000..75301dc37
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/java/org/openecomp/appc/rankingframework/TestRankingFramework.java
@@ -0,0 +1,225 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.rankingframework;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openecomp.appc.rankingframework.AbstractRankedAttributesResolverFactory;
+import org.openecomp.appc.rankingframework.ConfigurationEntry;
+import org.openecomp.appc.rankingframework.ConfigurationSet;
+import org.openecomp.appc.rankingframework.RankedAttributesContext;
+import org.openecomp.appc.rankingframework.RankedAttributesResolver;
+
+public class  TestRankingFramework {
+
+    private static final String COUNTRY = "COUNTRY";
+    private static final String STATE = "STATE";
+    private static final String CITY = "CITY";
+
+    private static final List<String> NAMES = Arrays.asList(COUNTRY, STATE, CITY);
+
+    private static final String PACIFIC = "Pacific";
+    private static final String ATLANTIC = "Atlantic";
+    private static final String ARCTIC = "Arctic";
+    private static final String NA = "N/A";
+
+    private static ConfigurationEntry<String> entry(String [] attributes, String result) {
+        if (attributes == null || attributes.length != NAMES.size()) {
+            throw new IllegalArgumentException();
+        }
+
+        Map<String, String> map = new HashMap<>(attributes.length);
+        for (int i = 0; i < attributes.length; i++) {
+            map.put(NAMES.get(i), attributes[i]);
+        }
+
+        return new ConfigurationEntryImpl(map, result);
+    }
+
+    private static ConfigurationSet<String> config(ConfigurationEntry<String> ... entries) {
+        return new ConfigurationSetImpl(Arrays.asList(entries), NAMES);
+    }
+
+    private static RankedAttributesContext context(String ... attributes) {
+        if (attributes == null || attributes.length != NAMES.size()) {
+            throw new IllegalArgumentException();
+        }
+
+        Map<String, String> map = new HashMap<>(attributes.length);
+        for (int i = 0; i < attributes.length; i++) {
+            map.put(NAMES.get(i), attributes[i]);
+        }
+
+        return new Context(map);
+    }
+
+    private static class ConfigurationSetImpl implements ConfigurationSet<String> {
+
+        private final Collection<ConfigurationEntry<String>> entries;
+        private final Collection<String> names;
+
+        ConfigurationSetImpl(Collection<ConfigurationEntry<String>> entries, Collection<String> names) {
+            this.entries = entries;
+            this.names = names;
+        }
+
+        @Override
+        public Iterable<ConfigurationEntry<String>> getEntries() {
+            return entries;
+        }
+
+        @Override
+        public Collection<String> getRankedAttributeNames() {
+            return names;
+        }
+    }
+
+    private static class ConfigurationEntryImpl implements ConfigurationEntry<String> {
+
+        private final Map<String, String> attributes;
+        private final String result;
+
+        ConfigurationEntryImpl(Map<String, String> attributes, String result) {
+            this.attributes = attributes;
+            this.result = result;
+        }
+
+        @Override
+        public Object getAttributeValue(String name) {
+            return attributes.get(name);
+        }
+
+        @Override
+        public String getResult() {
+            return result;
+        }
+    }
+
+    private static class Context implements RankedAttributesContext {
+
+        private final Map<String, String> map;
+
+        Context(Map<String, String> map) {
+            this.map = map;
+        }
+
+        @Override
+        public Object getAttributeValue(String name) {
+            return map.get(name);
+        }
+    }
+
+    private static ConfigurationSet<String> testData() {
+        @SuppressWarnings("unchecked")
+        ConfigurationSet<String> config = config(
+                entry(new String [] {"US", "CA", "SFO"}, PACIFIC),
+                entry(new String [] {"US", "CA", "LA"}, PACIFIC),
+                entry(new String [] {"US", "FL", "MIAMI"}, ATLANTIC),
+                entry(new String [] {"US", "AK", "Barrow"}, ARCTIC),
+                entry(new String [] {"US", "AK", "*"}, PACIFIC),
+                entry(new String [] {"US", "*", "Houston"}, ATLANTIC),
+                entry(new String [] {"US", "*", "*"}, NA)
+                );
+
+        return config;
+    }
+
+    private static RankedAttributesResolver<String> resolver(ConfigurationSet<String> config) {
+        return AbstractRankedAttributesResolverFactory.getInstance().create(config);
+    }
+
+    @Test
+    public void testExactMatch() {
+
+        ConfigurationSet<String> config = testData();
+
+        RankedAttributesResolver<String> resolver = resolver(config) ;
+
+        RankedAttributesContext context = context("US", "CA", "SFO");
+
+        String result = resolver.resolve(context);
+
+        Assert.assertEquals(PACIFIC, result);
+    }
+
+    @Test
+    public void testDefaultMatchPartial() {
+
+        ConfigurationSet<String> config = testData();
+
+        RankedAttributesResolver<String> resolver = resolver(config) ;
+
+        RankedAttributesContext context = context("US", "AK", "Anchorage");
+
+        String result = resolver.resolve(context);
+
+        Assert.assertEquals(PACIFIC, result);
+    }
+
+    @Test
+    public void testDefaultMatchFull() {
+
+        ConfigurationSet<String> config = testData();
+
+        RankedAttributesResolver<String> resolver = resolver(config) ;
+
+        RankedAttributesContext context = context("US", "IL", "Chicago");
+
+        String result = resolver.resolve(context);
+
+        Assert.assertEquals(NA, result);
+    }
+
+    @Test
+    public void testDefaultMatchInTheMiddle() {
+
+        ConfigurationSet<String> config = testData();
+
+        RankedAttributesResolver<String> resolver = resolver(config) ;
+
+        RankedAttributesContext context = context("US", "TX", "Houston");
+
+        String result = resolver.resolve(context);
+
+        Assert.assertEquals(ATLANTIC, result);
+    }
+
+    @Test
+    public void testBacktrace() {
+
+        ConfigurationSet<String> config = testData();
+
+        RankedAttributesResolver<String> resolver = resolver(config) ;
+
+        RankedAttributesContext context = context("US", "CA", "SJC");
+
+        String result = resolver.resolve(context);
+
+        Assert.assertEquals(NA, result);
+    }
+}
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/resources/com/att/eelf/logback.xml b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/resources/com/att/eelf/logback.xml
new file mode 100644
index 000000000..2ac88adbc
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/resources/com/att/eelf/logback.xml
@@ -0,0 +1,27 @@
+<!--
+  ============LICENSE_START=======================================================
+  openECOMP : APP-C
+  ================================================================================
+  Copyright (C) 2017 AT&T Intellectual Property. All rights
+  						reserved.
+  ================================================================================
+  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.
+  ============LICENSE_END=========================================================
+  -->
+
+<configuration scan="true" scanPeriod="3 seconds" debug="false">
+
+<!-- 
+	Dummy file to suppress default EELF configuration
+ -->
+</configuration>
diff --git a/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/resources/logback.xml b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/resources/logback.xml
new file mode 100644
index 000000000..c93e4e4a9
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/ranking-framework-lib/src/test/resources/logback.xml
@@ -0,0 +1,46 @@
+<!--
+  ============LICENSE_START=======================================================
+  openECOMP : APP-C
+  ================================================================================
+  Copyright (C) 2017 AT&T Intellectual Property. All rights
+  						reserved.
+  ================================================================================
+  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.
+  ============LICENSE_END=========================================================
+  -->
+
+<configuration scan="true" scanPeriod="3 seconds" debug="false">
+
+	<property name="logDirectory" value="target" />
+
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern> %.-5level %-36.36logger - %msg%n</pattern>
+		</encoder>
+	</appender>
+
+	<appender name="FILE" class="ch.qos.logback.core.FileAppender">
+		<file>${logDirectory}/debug.log</file>
+		<encoder>
+			<pattern> %.-5level %-36.36logger - %msg%n</pattern>
+		</encoder>
+	</appender>
+
+	<logger name="org.openecomp.appc" level="DEBUG" additivity="false">
+		<appender-ref ref="FILE" />
+	</logger>
+
+	<root level="WARN">
+		<appender-ref ref="STDOUT" />
+	</root>
+</configuration>