1 files changed, 88 insertions, 0 deletions
diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/DSLNodeBase.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/DSLNodeBase.java
new file mode 100644
index 0000000000..c071e24391
--- /dev/null
+++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/entities/DSLNodeBase.java
@@ -0,0 +1,88 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 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.onap.aaiclient.client.graphinventory.entities;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import org.onap.aaiclient.client.aai.entities.QueryStep;
+import org.onap.aaiclient.client.graphinventory.GraphInventoryObjectName;
+
+public abstract class DSLNodeBase<T extends DSLNodeBase<?>> implements QueryStep {
+
+    protected final String nodeName;
+    protected final List<DSLNodeKey> nodeKeys;
+    protected final StringBuilder query;
+    protected boolean output = false;
+
+    public DSLNodeBase() {
+        this.nodeName = "";
+        this.nodeKeys = new ArrayList<>();
+        this.query = new StringBuilder();
+
+    }
+
+    public DSLNodeBase(GraphInventoryObjectName name) {
+        this.nodeName = name.typeName();
+        this.nodeKeys = new ArrayList<>();
+        this.query = new StringBuilder();
+        query.append(nodeName);
+    }
+
+    public DSLNodeBase(GraphInventoryObjectName name, DSLNodeKey... key) {
+        this.nodeName = name.typeName();
+        this.nodeKeys = Arrays.asList(key);
+        this.query = new StringBuilder();
+        query.append(nodeName);
+    }
+
+    public DSLNodeBase(DSLNodeBase<?> copy) {
+        this.nodeName = copy.nodeName;
+        this.nodeKeys = copy.nodeKeys;
+        this.query = new StringBuilder(copy.query);
+        this.output = copy.output;
+    }
+
+    public DSLOutputNode output() {
+        this.output = true;
+
+        return new DSLOutputNode(this);
+    }
+
+    public T and(DSLNodeKey... key) {
+        this.nodeKeys.addAll(Arrays.asList(key));
+
+        return (T) this;
+    }
+
+    @Override
+    public String build() {
+        StringBuilder result = new StringBuilder(query);
+        if (output) {
+            result.append("*");
+        }
+        for (DSLNodeKey key : nodeKeys) {
+            result.append(key.build());
+        }
+
+        return result.toString();
+    }
+}