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;
33 import org.apache.commons.lang3.Validate;
34 import org.onap.policy.apex.auth.clicodegen.CodeGenCliEditorBuilder;
35 import org.onap.policy.apex.auth.clicodegen.CodeGeneratorCliEditor;
36 import org.onap.policy.apex.auth.clicodegen.EventDeclarationBuilder;
37 import org.onap.policy.apex.auth.clicodegen.PolicyStateDefBuilder;
38 import org.onap.policy.apex.auth.clicodegen.PolicyStateTaskBuilder;
39 import org.onap.policy.apex.auth.clicodegen.TaskDeclarationBuilder;
40 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
41 import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
42 import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
43 import org.onap.policy.apex.model.contextmodel.concepts.AxContextAlbum;
44 import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchema;
45 import org.onap.policy.apex.model.eventmodel.concepts.AxEvent;
46 import org.onap.policy.apex.model.eventmodel.concepts.AxField;
47 import org.onap.policy.apex.model.modelapi.ApexApiResult;
48 import org.onap.policy.apex.model.modelapi.ApexModel;
49 import org.onap.policy.apex.model.modelapi.ApexModelFactory;
50 import org.onap.policy.apex.model.policymodel.concepts.AxPolicy;
51 import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
52 import org.onap.policy.apex.model.policymodel.concepts.AxState;
53 import org.onap.policy.apex.model.policymodel.concepts.AxStateFinalizerLogic;
54 import org.onap.policy.apex.model.policymodel.concepts.AxStateOutput;
55 import org.onap.policy.apex.model.policymodel.concepts.AxStateTaskReference;
56 import org.onap.policy.apex.model.policymodel.concepts.AxTask;
57 import org.onap.policy.apex.model.policymodel.concepts.AxTaskLogic;
58 import org.onap.policy.apex.model.policymodel.concepts.AxTaskParameter;
59 import org.onap.policy.apex.model.policymodel.concepts.AxTaskSelectionLogic;
60 import org.onap.policy.apex.tools.common.OutputFile;
61 import org.onap.policy.apex.tools.model.generator.KeyInfoGetter;
62 import org.slf4j.ext.XLogger;
63 import org.slf4j.ext.XLoggerFactory;
64 import org.stringtemplate.v4.ST;
67 * Takes a model and generates the JSON event schemas.
69 * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
71 public class Model2Cli {
72 // Logger for this class
73 private static final XLogger LOGGER = XLoggerFactory.getXLogger(Model2Cli.class);
75 /** Application name, used as prompt. */
76 private final String appName;
78 /** The file name of the policy model. */
79 private final String modelFile;
81 /** The output file, if any. */
82 private final OutputFile outFile;
84 /** Pre-validate the model. */
85 private final boolean validate;
87 /** utility for getting key information and parsing keys etc.. */
88 private KeyInfoGetter kig = null;
91 * Creates a new model to CLI commands generator.
93 * @param modelFile the model file to be used
94 * @param outFile the out file
95 * @param validate true for model validation, false otherwise
96 * @param appName application name for printouts
98 public Model2Cli(final String modelFile, final OutputFile outFile, final boolean validate, final String appName) {
99 Validate.notNull(modelFile, "Model2Cli: given model file name was blank");
100 Validate.notNull(appName, "Model2Cli: given application name was blank");
102 this.modelFile = modelFile;
103 this.outFile = outFile;
104 this.appName = appName;
105 this.validate = validate;
109 * Runs the application.
111 * @return status of the application execution, 0 for success, positive integer for exit condition (such as help or
112 * version), negative integer for errors
114 public int runApp() {
115 final CodeGeneratorCliEditor codeGen = new CodeGeneratorCliEditor();
117 final ApexModelFactory factory = new ApexModelFactory();
118 final ApexModel model = factory.createApexModel(new Properties(), true);
120 final ApexApiResult result = model.loadFromFile(modelFile);
121 if (result.isNok()) {
122 final String message = appName + ": " + result.getMessage();
123 LOGGER.error(message);
127 final AxPolicyModel policyModel = model.getPolicyModel();
128 policyModel.register();
131 final AxValidationResult val = new AxValidationResult();
132 policyModel.validate(val);
134 final String message = "Cannot translate the model. The model is not valid: \n" + val.toString();
135 LOGGER.error(message);
140 return generateCli(codeGen, policyModel);
144 * Generate the CLI from the model.
146 * @param codeGen the code generator
147 * @param policyModel the policy model
149 private int generateCli(final CodeGeneratorCliEditor codeGen, final AxPolicyModel policyModel) {
150 kig = new KeyInfoGetter(policyModel);
152 // Order is important. 0: model, 1: context schemas, 2: tasks, 3: events, 4: ContextAlbums, 5: Policies
154 final AxArtifactKey pmkey = policyModel.getKey();
155 codeGen.addModelParams(kig.getName(pmkey), kig.getVersion(pmkey), kig.getUuid(pmkey), kig.getDesc(pmkey));
157 // 1: Context Schemas
158 for (final AxContextSchema s : policyModel.getSchemas().getSchemasMap().values()) {
159 final AxArtifactKey key = s.getKey();
161 codeGen.addSchemaDeclaration(kig.getName(key), kig.getVersion(key), kig.getUuid(key), kig.getDesc(key),
162 s.getSchemaFlavour(), s.getSchema());
166 for (final AxTask t : policyModel.getTasks().getTaskMap().values()) {
167 final AxArtifactKey key = t.getKey();
168 final List<ST> infields = getInfieldsForTask(codeGen, t);
169 final List<ST> outfields = getOutfieldsForTask(codeGen, t);
170 final ST logic = getLogicForTask(codeGen, t);
171 final List<ST> parameters = getParametersForTask(codeGen, t);
172 final List<ST> contextRefs = getCtxtRefsForTask(codeGen, t);
174 codeGen.addTaskDeclaration(new TaskDeclarationBuilder().setName(kig.getName(key))
175 .setVersion(kig.getVersion(key)).setUuid(kig.getUuid(key))
176 .setDescription(kig.getDesc(key)).setInfields(infields).setOutfields(outfields)
177 .setLogic(logic).setParameters(parameters).setContextRefs(contextRefs));
181 for (final AxEvent e : policyModel.getEvents().getEventMap().values()) {
182 final AxArtifactKey key = e.getKey();
183 final List<ST> fields = getParametersForEvent(codeGen, e);
185 codeGen.addEventDeclaration(
186 new EventDeclarationBuilder()
187 .setName(kig.getName(key))
188 .setVersion(kig.getVersion(key))
189 .setUuid(kig.getUuid(key))
190 .setDescription(kig.getDesc(key))
191 .setNameSpace(e.getNameSpace())
192 .setSource(e.getSource())
193 .setTarget(e.getTarget())
198 for (final AxContextAlbum a : policyModel.getAlbums().getAlbumsMap().values()) {
199 final AxArtifactKey key = a.getKey();
201 codeGen.addContextAlbumDeclaration(new CodeGenCliEditorBuilder().setName(kig.getName(key))
202 .setVersion(kig.getVersion(key)).setUuid(kig.getUuid(key)).setDescription(kig.getDesc(key))
203 .setScope(a.getScope()).setWritable(a.isWritable()).setSchemaName(kig.getName(a.getItemSchema()))
204 .setSchemaVersion(kig.getVersion(a.getItemSchema())));
208 for (final AxPolicy p : policyModel.getPolicies().getPolicyMap().values()) {
209 final AxArtifactKey key = p.getKey();
210 final List<ST> states = getStatesForPolicy(codeGen, p);
211 codeGen.addPolicyDefinition(kig.getName(key), kig.getVersion(key), kig.getUuid(key), kig.getDesc(key),
212 p.getTemplate(), p.getFirstState(), states);
215 final String out = codeGen.getModel().render();
216 if (outFile != null) {
217 final String message = "Error writing output to file " + outFile;
219 final Writer w = outFile.toWriter();
221 LOGGER.error(message);
226 } catch (final IOException e) {
227 LOGGER.error(message, e);
238 * Gets the parameters for event.
240 * @param cg the code generator
241 * @param event the event
242 * @return the parameters for event
244 private List<ST> getParametersForEvent(final CodeGeneratorCliEditor cg, final AxEvent event) {
245 final Collection<AxField> fields = event.getFields();
246 final List<ST> ret = new ArrayList<>(fields.size());
247 for (final AxField f : fields) {
248 final AxReferenceKey fkey = f.getKey();
250 final ST val = cg.createEventFieldDefinition(kig.getPName(fkey), kig.getPVersion(fkey), kig.getLName(fkey),
251 kig.getName(f.getSchema()), kig.getVersion(f.getSchema()), f.getOptional());
259 * Gets the context references for task.
261 * @param cg the code generator
262 * @param task the task
263 * @return the context references for task
265 private List<ST> getCtxtRefsForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
266 final Collection<AxArtifactKey> ctxs = task.getContextAlbumReferences();
267 final List<ST> ret = new ArrayList<>(ctxs.size());
268 final AxArtifactKey tkey = task.getKey();
269 for (final AxArtifactKey ckey : ctxs) {
271 final ST val = cg.createTaskDefinitionContextRef(kig.getName(tkey), kig.getVersion(tkey), kig.getName(ckey),
272 kig.getVersion(ckey));
280 * Gets the parameters for task.
282 * @param cg the code generator
283 * @param task the task
284 * @return the parameters for task
286 private List<ST> getParametersForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
287 final Collection<AxTaskParameter> pars = task.getTaskParameters().values();
288 final List<ST> ret = new ArrayList<>(pars.size());
289 for (final AxTaskParameter p : pars) {
290 final AxReferenceKey pkey = p.getKey();
292 final ST val = cg.createTaskDefinitionParameters(kig.getPName(pkey), kig.getPVersion(pkey),
293 kig.getLName(pkey), p.getTaskParameterValue());
301 * Gets the logic for task.
303 * @param cg the code generator
304 * @param task the task
305 * @return the logic for task
307 private ST getLogicForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
308 final AxArtifactKey tkey = task.getKey();
309 final AxTaskLogic tl = task.getTaskLogic();
311 return cg.createTaskDefLogic(kig.getName(tkey), kig.getVersion(tkey), tl.getLogicFlavour(), tl.getLogic());
315 * Gets the output fields for task.
317 * @param cg the code generator
318 * @param task the task
319 * @return the output fields for task
321 private List<ST> getOutfieldsForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
322 final Collection<? extends AxField> fields = task.getOutputFields().values();
323 final List<ST> ret = new ArrayList<>(fields.size());
324 for (final AxField f : fields) {
325 final AxReferenceKey fkey = f.getKey();
327 final ST val = cg.createTaskDefinitionOutfields(kig.getPName(fkey), kig.getPVersion(fkey),
328 kig.getLName(fkey), kig.getName(f.getSchema()), kig.getVersion(f.getSchema()));
336 * Gets the input fields for task.
338 * @param cg the code generator
339 * @param task the task
340 * @return the input fields for task
342 private List<ST> getInfieldsForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
343 final Collection<? extends AxField> fields = task.getInputFields().values();
344 final List<ST> ret = new ArrayList<>(fields.size());
345 for (final AxField f : fields) {
346 final AxReferenceKey fkey = f.getKey();
348 final ST val = cg.createTaskDefinitionInfields(kig.getPName(fkey), kig.getPVersion(fkey),
349 kig.getLName(fkey), kig.getName(f.getSchema()), kig.getVersion(f.getSchema()));
357 * Gets the states for policy.
359 * @param cg the code generator
360 * @param pol the policy
361 * @return the states for policy
363 private List<ST> getStatesForPolicy(final CodeGeneratorCliEditor cg, final AxPolicy pol) {
364 final Collection<AxState> states = pol.getStateMap().values();
365 final List<ST> ret = new ArrayList<>(states.size());
366 for (final AxState st : states) {
367 final AxReferenceKey skey = st.getKey();
368 final List<ST> outputs = getStateOutputsForState(cg, st);
369 final List<ST> finalizerLogics = getFinalizersForState(cg, st);
370 final List<ST> tasks = getTaskRefsForState(cg, st);
371 final List<ST> tsLogic = getTslForState(cg, st);
372 final List<ST> ctxRefs = getCtxtRefsForState(cg, st);
374 final ST val = cg.createPolicyStateDef(new PolicyStateDefBuilder()
375 .setPolicyName(kig.getPName(skey)).setVersion(kig.getPVersion(skey))
376 .setStateName(kig.getLName(skey)).setTriggerName(kig.getName(st.getTrigger()))
377 .setTriggerVersion(kig.getVersion(st.getTrigger()))
378 .setDefaultTask(kig.getName(st.getDefaultTask()))
379 .setDefaultTaskVersion(kig.getVersion(st.getDefaultTask())).setOutputs(outputs)
380 .setTasks(tasks).setTsLogic(tsLogic).setFinalizerLogics(finalizerLogics)
381 .setCtxRefs(ctxRefs));
389 * Gets the finalizers for state.
391 * @param cg the code generator
392 * @param st the state
393 * @return the finalizers for state
395 private List<ST> getFinalizersForState(final CodeGeneratorCliEditor cg, final AxState st) {
396 final Collection<AxStateFinalizerLogic> fins = st.getStateFinalizerLogicMap().values();
397 final List<ST> ret = new ArrayList<>(fins.size());
398 final AxReferenceKey skey = st.getKey();
399 for (final AxStateFinalizerLogic fin : fins) {
400 final AxReferenceKey finkey = fin.getKey();
402 final ST val = cg.createPolicyStateDefFinalizerLogic(kig.getPName(skey), kig.getPVersion(skey),
403 kig.getLName(skey), kig.getLName(finkey), fin.getLogicFlavour(), fin.getLogic());
411 * Gets the context references for state.
413 * @param cg the code generator
414 * @param st the state
415 * @return the context references for state
417 private List<ST> getCtxtRefsForState(final CodeGeneratorCliEditor cg, final AxState st) {
418 final Collection<AxArtifactKey> ctxs = st.getContextAlbumReferences();
419 final List<ST> ret = new ArrayList<>(ctxs.size());
420 final AxReferenceKey skey = st.getKey();
421 for (final AxArtifactKey ctx : ctxs) {
423 final ST val = cg.createPolicyStateDefContextRef(kig.getPName(skey), kig.getPVersion(skey),
424 kig.getLName(skey), kig.getName(ctx), kig.getVersion(ctx));
432 * Gets the Task Selection Logic for state.
434 * @param cg the code generator
435 * @param st the state
436 * @return the TSL for state (if any) in a list
438 private List<ST> getTslForState(final CodeGeneratorCliEditor cg, final AxState st) {
439 final AxReferenceKey skey = st.getKey();
440 if (st.checkSetTaskSelectionLogic()) {
441 final AxTaskSelectionLogic tsl = st.getTaskSelectionLogic();
442 final ST val = cg.createPolicyStateDefTaskSelLogic(kig.getPName(skey), kig.getPVersion(skey),
443 kig.getLName(skey), tsl.getLogicFlavour(), tsl.getLogic());
444 return Collections.singletonList(val);
446 return Collections.emptyList();
451 * Gets the task references for state.
453 * @param cg the code generator
454 * @param st the state
455 * @return the task references for state
457 private List<ST> getTaskRefsForState(final CodeGeneratorCliEditor cg, final AxState st) {
458 final Map<AxArtifactKey, AxStateTaskReference> taskrefs = st.getTaskReferences();
459 final List<ST> ret = new ArrayList<>(taskrefs.size());
460 final AxReferenceKey skey = st.getKey();
461 for (final Entry<AxArtifactKey, AxStateTaskReference> e : taskrefs.entrySet()) {
462 final AxArtifactKey tkey = e.getKey();
463 final AxStateTaskReference tr = e.getValue();
464 final AxReferenceKey trkey = tr.getKey();
466 final ST val = cg.createPolicyStateTask(new PolicyStateTaskBuilder()
467 .setPolicyName(kig.getPName(skey)).setVersion(kig.getPVersion(skey))
468 .setStateName(kig.getLName(skey)).setTaskLocalName(kig.getLName(trkey))
469 .setTaskName(kig.getName(tkey)).setTaskVersion(kig.getVersion(tkey))
470 .setOutputType(tr.getStateTaskOutputType().name())
471 .setOutputName(kig.getLName(tr.getOutput())));
479 * Gets the state outputs for state.
481 * @param cg the code generator
482 * @param st the state
483 * @return the state outputs for state
485 private List<ST> getStateOutputsForState(final CodeGeneratorCliEditor cg, final AxState st) {
486 final Collection<AxStateOutput> outs = st.getStateOutputs().values();
487 final List<ST> ret = new ArrayList<>(outs.size());
488 final AxReferenceKey skey = st.getKey();
489 for (final AxStateOutput out : outs) {
490 final AxReferenceKey outkey = out.getKey();
492 final ST val = cg.createPolicyStateOutput(kig.getPName(skey), kig.getPVersion(skey), kig.getLName(skey),
493 kig.getLName(outkey), kig.getName(out.getOutgingEvent()), kig.getVersion(out.getOutgingEvent()),
494 kig.getLName(out.getNextState()));