2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * Modifications Copyright (C) 2019 Samsung Electronics Co., Ltd.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.apex.tools.model.generator.model2cli;
24 import java.io.IOException;
25 import java.io.Writer;
26 import java.util.ArrayList;
27 import java.util.Collection;
28 import java.util.Collections;
29 import java.util.List;
31 import java.util.Map.Entry;
32 import java.util.Properties;
34 import org.apache.commons.lang3.Validate;
35 import org.onap.policy.apex.auth.clicodegen.CodeGenCliEditorBuilder;
36 import org.onap.policy.apex.auth.clicodegen.CodeGeneratorCliEditor;
37 import org.onap.policy.apex.auth.clicodegen.EventDeclarationBuilder;
38 import org.onap.policy.apex.auth.clicodegen.PolicyStateDefBuilder;
39 import org.onap.policy.apex.auth.clicodegen.PolicyStateTaskBuilder;
40 import org.onap.policy.apex.auth.clicodegen.TaskDeclarationBuilder;
41 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
42 import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
43 import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
44 import org.onap.policy.apex.model.contextmodel.concepts.AxContextAlbum;
45 import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchema;
46 import org.onap.policy.apex.model.eventmodel.concepts.AxEvent;
47 import org.onap.policy.apex.model.eventmodel.concepts.AxField;
48 import org.onap.policy.apex.model.modelapi.ApexApiResult;
49 import org.onap.policy.apex.model.modelapi.ApexModel;
50 import org.onap.policy.apex.model.modelapi.ApexModelFactory;
51 import org.onap.policy.apex.model.policymodel.concepts.AxPolicy;
52 import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
53 import org.onap.policy.apex.model.policymodel.concepts.AxState;
54 import org.onap.policy.apex.model.policymodel.concepts.AxStateFinalizerLogic;
55 import org.onap.policy.apex.model.policymodel.concepts.AxStateOutput;
56 import org.onap.policy.apex.model.policymodel.concepts.AxStateTaskReference;
57 import org.onap.policy.apex.model.policymodel.concepts.AxTask;
58 import org.onap.policy.apex.model.policymodel.concepts.AxTaskLogic;
59 import org.onap.policy.apex.model.policymodel.concepts.AxTaskParameter;
60 import org.onap.policy.apex.model.policymodel.concepts.AxTaskSelectionLogic;
61 import org.onap.policy.apex.tools.common.OutputFile;
62 import org.onap.policy.apex.tools.model.generator.KeyInfoGetter;
63 import org.slf4j.ext.XLogger;
64 import org.slf4j.ext.XLoggerFactory;
65 import org.stringtemplate.v4.ST;
68 * Takes a model and generates the JSON event schemas.
70 * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
72 public class Model2Cli {
73 // Logger for this class
74 private static final XLogger LOGGER = XLoggerFactory.getXLogger(Model2Cli.class);
76 /** Application name, used as prompt. */
77 private final String appName;
79 /** The file name of the policy model. */
80 private final String modelFile;
82 /** The output file, if any. */
83 private final OutputFile outFile;
85 /** Pre-validate the model. */
86 private final boolean validate;
88 /** utility for getting key information and parsing keys etc.. */
89 private KeyInfoGetter kig = null;
92 * Creates a new model to CLI commands generator.
94 * @param modelFile the model file to be used
95 * @param outFile the out file
96 * @param validate true for model validation, false otherwise
97 * @param appName application name for printouts
99 public Model2Cli(final String modelFile, final OutputFile outFile, final boolean validate, final String appName) {
100 Validate.notNull(modelFile, "Model2Cli: given model file name was blank");
101 Validate.notNull(appName, "Model2Cli: given application name was blank");
103 this.modelFile = modelFile;
104 this.outFile = outFile;
105 this.appName = appName;
106 this.validate = validate;
110 * Runs the application.
112 * @return status of the application execution, 0 for success, positive integer for exit condition (such as help or
113 * version), negative integer for errors
115 public int runApp() {
116 final CodeGeneratorCliEditor codeGen = new CodeGeneratorCliEditor();
118 final ApexModelFactory factory = new ApexModelFactory();
119 final ApexModel model = factory.createApexModel(new Properties(), true);
121 final ApexApiResult result = model.loadFromFile(modelFile);
122 if (result.isNok()) {
123 final String message = appName + ": " + result.getMessage();
124 LOGGER.error(message);
128 final AxPolicyModel policyModel = model.getPolicyModel();
129 policyModel.register();
132 final AxValidationResult val = new AxValidationResult();
133 policyModel.validate(val);
135 final String message = "Cannot translate the model. The model is not valid: \n" + val.toString();
136 LOGGER.error(message);
141 return generateCli(codeGen, policyModel);
145 * Generate the CLI from the model.
147 * @param codeGen the code generator
148 * @param policyModel the policy model
150 private int generateCli(final CodeGeneratorCliEditor codeGen, final AxPolicyModel policyModel) {
151 kig = new KeyInfoGetter(policyModel);
153 // Order is important. 0: model, 1: context schemas, 2: tasks, 3: events, 4: ContextAlbums, 5: Policies
155 final AxArtifactKey pmkey = policyModel.getKey();
156 codeGen.addModelParams(kig.getName(pmkey), kig.getVersion(pmkey), kig.getUuid(pmkey), kig.getDesc(pmkey));
158 // 1: Context Schemas
159 for (final AxContextSchema s : policyModel.getSchemas().getSchemasMap().values()) {
160 final AxArtifactKey key = s.getKey();
162 codeGen.addSchemaDeclaration(kig.getName(key), kig.getVersion(key), kig.getUuid(key), kig.getDesc(key),
163 s.getSchemaFlavour(), s.getSchema());
167 for (final AxTask t : policyModel.getTasks().getTaskMap().values()) {
168 final AxArtifactKey key = t.getKey();
169 final List<ST> infields = getInfieldsForTask(codeGen, t);
170 final List<ST> outfields = getOutfieldsForTask(codeGen, t);
171 final ST logic = getLogicForTask(codeGen, t);
172 final List<ST> parameters = getParametersForTask(codeGen, t);
173 final List<ST> contextRefs = getCtxtRefsForTask(codeGen, t);
175 codeGen.addTaskDeclaration(new TaskDeclarationBuilder().setName(kig.getName(key))
176 .setVersion(kig.getVersion(key)).setUuid(kig.getUuid(key))
177 .setDescription(kig.getDesc(key)).setInfields(infields).setOutfields(outfields)
178 .setLogic(logic).setParameters(parameters).setContextRefs(contextRefs));
182 for (final AxEvent e : policyModel.getEvents().getEventMap().values()) {
183 final AxArtifactKey key = e.getKey();
184 final List<ST> fields = getParametersForEvent(codeGen, e);
186 codeGen.addEventDeclaration(
187 new EventDeclarationBuilder()
188 .setName(kig.getName(key))
189 .setVersion(kig.getVersion(key))
190 .setUuid(kig.getUuid(key))
191 .setDescription(kig.getDesc(key))
192 .setNameSpace(e.getNameSpace())
193 .setSource(e.getSource())
194 .setTarget(e.getTarget())
199 for (final AxContextAlbum a : policyModel.getAlbums().getAlbumsMap().values()) {
200 final AxArtifactKey key = a.getKey();
202 codeGen.addContextAlbumDeclaration(new CodeGenCliEditorBuilder().setName(kig.getName(key))
203 .setVersion(kig.getVersion(key)).setUuid(kig.getUuid(key)).setDescription(kig.getDesc(key))
204 .setScope(a.getScope()).setWritable(a.isWritable()).setSchemaName(kig.getName(a.getItemSchema()))
205 .setSchemaVersion(kig.getVersion(a.getItemSchema())));
209 for (final AxPolicy p : policyModel.getPolicies().getPolicyMap().values()) {
210 final AxArtifactKey key = p.getKey();
211 final List<ST> states = getStatesForPolicy(codeGen, p);
212 codeGen.addPolicyDefinition(kig.getName(key), kig.getVersion(key), kig.getUuid(key), kig.getDesc(key),
213 p.getTemplate(), p.getFirstState(), states);
216 final String out = codeGen.getModel().render();
217 if (outFile != null) {
218 final String message = "Error writing output to file " + outFile;
220 final Writer w = outFile.toWriter();
222 LOGGER.error(message);
227 } catch (final IOException e) {
228 LOGGER.error(message, e);
239 * Gets the parameters for event.
241 * @param cg the code generator
242 * @param event the event
243 * @return the parameters for event
245 private List<ST> getParametersForEvent(final CodeGeneratorCliEditor cg, final AxEvent event) {
246 final Collection<AxField> fields = event.getFields();
247 final List<ST> ret = new ArrayList<>(fields.size());
248 for (final AxField f : fields) {
249 final AxReferenceKey fkey = f.getKey();
251 final ST val = cg.createEventFieldDefinition(kig.getPName(fkey), kig.getPVersion(fkey), kig.getLName(fkey),
252 kig.getName(f.getSchema()), kig.getVersion(f.getSchema()), f.getOptional());
260 * Gets the context references for task.
262 * @param cg the code generator
263 * @param task the task
264 * @return the context references for task
266 private List<ST> getCtxtRefsForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
267 final Collection<AxArtifactKey> ctxs = task.getContextAlbumReferences();
268 final List<ST> ret = new ArrayList<>(ctxs.size());
269 final AxArtifactKey tkey = task.getKey();
270 for (final AxArtifactKey ckey : ctxs) {
272 final ST val = cg.createTaskDefinitionContextRef(kig.getName(tkey), kig.getVersion(tkey), kig.getName(ckey),
273 kig.getVersion(ckey));
281 * Gets the parameters for task.
283 * @param cg the code generator
284 * @param task the task
285 * @return the parameters for task
287 private List<ST> getParametersForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
288 final Collection<AxTaskParameter> pars = task.getTaskParameters().values();
289 final List<ST> ret = new ArrayList<>(pars.size());
290 for (final AxTaskParameter p : pars) {
291 final AxReferenceKey pkey = p.getKey();
293 final ST val = cg.createTaskDefinitionParameters(kig.getPName(pkey), kig.getPVersion(pkey),
294 kig.getLName(pkey), p.getTaskParameterValue());
302 * Gets the logic for task.
304 * @param cg the code generator
305 * @param task the task
306 * @return the logic for task
308 private ST getLogicForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
309 final AxArtifactKey tkey = task.getKey();
310 final AxTaskLogic tl = task.getTaskLogic();
312 return cg.createTaskDefLogic(kig.getName(tkey), kig.getVersion(tkey), tl.getLogicFlavour(), tl.getLogic());
316 * Gets the output fields for task.
318 * @param cg the code generator
319 * @param task the task
320 * @return the output fields for task
322 private List<ST> getOutfieldsForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
323 final Collection<? extends AxField> fields = task.getOutputFields().values();
324 final List<ST> ret = new ArrayList<>(fields.size());
325 for (final AxField f : fields) {
326 final AxReferenceKey fkey = f.getKey();
328 final ST val = cg.createTaskDefinitionOutfields(kig.getPName(fkey), kig.getPVersion(fkey),
329 kig.getLName(fkey), kig.getName(f.getSchema()), kig.getVersion(f.getSchema()));
337 * Gets the input fields for task.
339 * @param cg the code generator
340 * @param task the task
341 * @return the input fields for task
343 private List<ST> getInfieldsForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
344 final Collection<? extends AxField> fields = task.getInputFields().values();
345 final List<ST> ret = new ArrayList<>(fields.size());
346 for (final AxField f : fields) {
347 final AxReferenceKey fkey = f.getKey();
349 final ST val = cg.createTaskDefinitionInfields(kig.getPName(fkey), kig.getPVersion(fkey),
350 kig.getLName(fkey), kig.getName(f.getSchema()), kig.getVersion(f.getSchema()));
358 * Gets the states for policy.
360 * @param cg the code generator
361 * @param pol the policy
362 * @return the states for policy
364 private List<ST> getStatesForPolicy(final CodeGeneratorCliEditor cg, final AxPolicy pol) {
365 final Collection<AxState> states = pol.getStateMap().values();
366 final List<ST> ret = new ArrayList<>(states.size());
367 for (final AxState st : states) {
368 final AxReferenceKey skey = st.getKey();
369 final List<ST> outputs = getStateOutputsForState(cg, st);
370 final List<ST> finalizerLogics = getFinalizersForState(cg, st);
371 final List<ST> tasks = getTaskRefsForState(cg, st);
372 final List<ST> tsLogic = getTslForState(cg, st);
373 final List<ST> ctxRefs = getCtxtRefsForState(cg, st);
375 final ST val = cg.createPolicyStateDef(new PolicyStateDefBuilder()
376 .setPolicyName(kig.getPName(skey)).setVersion(kig.getPVersion(skey))
377 .setStateName(kig.getLName(skey)).setTriggerName(kig.getName(st.getTrigger()))
378 .setTriggerVersion(kig.getVersion(st.getTrigger()))
379 .setDefaultTask(kig.getName(st.getDefaultTask()))
380 .setDefaultTaskVersion(kig.getVersion(st.getDefaultTask())).setOutputs(outputs)
381 .setTasks(tasks).setTsLogic(tsLogic).setFinalizerLogics(finalizerLogics)
382 .setCtxRefs(ctxRefs));
390 * Gets the finalizers for state.
392 * @param cg the code generator
393 * @param st the state
394 * @return the finalizers for state
396 private List<ST> getFinalizersForState(final CodeGeneratorCliEditor cg, final AxState st) {
397 final Collection<AxStateFinalizerLogic> fins = st.getStateFinalizerLogicMap().values();
398 final List<ST> ret = new ArrayList<>(fins.size());
399 final AxReferenceKey skey = st.getKey();
400 for (final AxStateFinalizerLogic fin : fins) {
401 final AxReferenceKey finkey = fin.getKey();
403 final ST val = cg.createPolicyStateDefFinalizerLogic(kig.getPName(skey), kig.getPVersion(skey),
404 kig.getLName(skey), kig.getLName(finkey), fin.getLogicFlavour(), fin.getLogic());
412 * Gets the context references for state.
414 * @param cg the code generator
415 * @param st the state
416 * @return the context references for state
418 private List<ST> getCtxtRefsForState(final CodeGeneratorCliEditor cg, final AxState st) {
419 final Collection<AxArtifactKey> ctxs = st.getContextAlbumReferences();
420 final List<ST> ret = new ArrayList<>(ctxs.size());
421 final AxReferenceKey skey = st.getKey();
422 for (final AxArtifactKey ctx : ctxs) {
424 final ST val = cg.createPolicyStateDefContextRef(kig.getPName(skey), kig.getPVersion(skey),
425 kig.getLName(skey), kig.getName(ctx), kig.getVersion(ctx));
433 * Gets the Task Selection Logic for state.
435 * @param cg the code generator
436 * @param st the state
437 * @return the TSL for state (if any) in a list
439 private List<ST> getTslForState(final CodeGeneratorCliEditor cg, final AxState st) {
440 final AxReferenceKey skey = st.getKey();
441 if (st.checkSetTaskSelectionLogic()) {
442 final AxTaskSelectionLogic tsl = st.getTaskSelectionLogic();
443 final ST val = cg.createPolicyStateDefTaskSelLogic(kig.getPName(skey), kig.getPVersion(skey),
444 kig.getLName(skey), tsl.getLogicFlavour(), tsl.getLogic());
445 return Collections.singletonList(val);
447 return Collections.emptyList();
452 * Gets the task references for state.
454 * @param cg the code generator
455 * @param st the state
456 * @return the task references for state
458 private List<ST> getTaskRefsForState(final CodeGeneratorCliEditor cg, final AxState st) {
459 final Map<AxArtifactKey, AxStateTaskReference> taskrefs = st.getTaskReferences();
460 final List<ST> ret = new ArrayList<>(taskrefs.size());
461 final AxReferenceKey skey = st.getKey();
462 for (final Entry<AxArtifactKey, AxStateTaskReference> e : taskrefs.entrySet()) {
463 final AxArtifactKey tkey = e.getKey();
464 final AxStateTaskReference tr = e.getValue();
465 final AxReferenceKey trkey = tr.getKey();
467 final ST val = cg.createPolicyStateTask(new PolicyStateTaskBuilder()
468 .setPolicyName(kig.getPName(skey)).setVersion(kig.getPVersion(skey))
469 .setStateName(kig.getLName(skey)).setTaskLocalName(kig.getLName(trkey))
470 .setTaskName(kig.getName(tkey)).setTaskVersion(kig.getVersion(tkey))
471 .setOutputType(tr.getStateTaskOutputType().name())
472 .setOutputName(kig.getLName(tr.getOutput())));
480 * Gets the state outputs for state.
482 * @param cg the code generator
483 * @param st the state
484 * @return the state outputs for state
486 private List<ST> getStateOutputsForState(final CodeGeneratorCliEditor cg, final AxState st) {
487 final Collection<AxStateOutput> outs = st.getStateOutputs().values();
488 final List<ST> ret = new ArrayList<>(outs.size());
489 final AxReferenceKey skey = st.getKey();
490 for (final AxStateOutput out : outs) {
491 final AxReferenceKey outkey = out.getKey();
493 final ST val = cg.createPolicyStateOutput(kig.getPName(skey), kig.getPVersion(skey), kig.getLName(skey),
494 kig.getLName(outkey), kig.getName(out.getOutgingEvent()), kig.getVersion(out.getOutgingEvent()),
495 kig.getLName(out.getNextState()));