Implement PNFD Model driven conversion

[sdc.git] / openecomp-be / lib / openecomp-tosca-converter-lib / openecomp-tosca-converter-core / src / main / java / org / openecomp / core / converter / impl / pnfd / parser / PnfdInputBlockParser.java

diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/converter/impl/pnfd/parser/PnfdInputBlockParser.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/converter/impl/pnfd/parser/PnfdInputBlockParser.java
new file mode 100644 (file)
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+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/converter/impl/pnfd/parser/PnfdInputBlockParser.java
@@ -0,0 +1,94 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.core.converter.impl.pnfd.parser;
+
+import com.google.common.collect.ImmutableMap;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+import org.apache.commons.collections.MapUtils;
+import org.onap.sdc.tosca.datatypes.model.ParameterDefinition;
+import org.openecomp.core.converter.pnfd.parser.AbstractPnfdBlockParser;
+import org.openecomp.core.converter.impl.pnfd.PnfdQueryExecutor;
+import org.openecomp.core.converter.pnfd.model.ConversionDefinition;
+import org.openecomp.core.converter.pnfd.model.ConversionQuery;
+import org.openecomp.core.converter.pnfd.model.Transformation;
+import org.openecomp.core.converter.pnfd.strategy.PnfdConversionStrategy;
+import org.openecomp.sdc.tosca.services.DataModelUtil;
+
+public class PnfdInputBlockParser extends AbstractPnfdBlockParser {
+
+    public PnfdInputBlockParser(final Transformation transformation) {
+        super(transformation);
+    }
+
+    @Override
+    protected Optional<Map<String, Object>> buildParsedBlock(final Map<String, Object> attributeQuery,
+        final Map<String, Object> originalAttributeMap, final ConversionDefinition conversionDefinition) {
+        //cannot query for more than one attribute
+        if (attributeQuery.keySet().size() > 1) {
+            return Optional.empty();
+        }
+        final String attribute = attributeQuery.keySet().iterator().next();
+        final Map<String, Object> parsedInput = new HashMap<>();
+        if (attributeQuery.get(attribute) == null) {
+            final PnfdConversionStrategy pnfdConversionStrategy = conversionDefinition.getPnfdConversionStrategy();
+            final Optional convertedAttribute = pnfdConversionStrategy.convert(originalAttributeMap.get(attribute));
+            convertedAttribute.ifPresent(convertedAttribute1 -> parsedInput.put(conversionDefinition.getToAttributeName(), convertedAttribute1));
+        } else {
+            final Optional<Map<String, Object>> builtInput = buildParsedBlock((Map<String, Object>) attributeQuery.get(attribute),
+                (Map<String, Object>) originalAttributeMap.get(attribute), conversionDefinition);
+            builtInput.ifPresent(builtInput1 -> parsedInput.put(attribute, builtInput1));
+        }
+
+        return parsedInput.isEmpty() ? Optional.empty() : Optional.of(parsedInput);
+    }
+
+    @Override
+    protected void write(final String blockName, final Map<String, Object> parsedBlockYamlObject) {
+        if (!parsedBlockYamlObject.isEmpty()) {
+            final ParameterDefinition parameterDefinition = ParameterDefinitionYamlParser.parse(parsedBlockYamlObject);
+            DataModelUtil.addInputParameterToTopologyTemplate(templateTo, blockName, parameterDefinition);
+        }
+    }
+
+    @Override
+    protected Set<Map<String, Object>> findBlocksToParse() {
+        final ConversionQuery conversionQuery = transformation.getConversionQuery();
+        final Map<String, Object> inputsMap = templateFrom.getInputs();
+        if (MapUtils.isEmpty(inputsMap)) {
+            return Collections.emptySet();
+        }
+
+        return inputsMap.entrySet().stream()
+            .filter(inputMapEntry -> PnfdQueryExecutor
+                .find(conversionQuery, ImmutableMap.of(inputMapEntry.getKey(), inputMapEntry.getValue()))
+            )
+            .map(inputMapEntry -> {
+                final Map<String, Object> map = new HashMap<>();
+                map.put(inputMapEntry.getKey(), inputMapEntry.getValue());
+                return map;
+            }).collect(Collectors.toSet());
+    }
+
+}