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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* Modifications Copyright (C) 2019 Samsung Electronics Co., Ltd.
* Modifications Copyright (C) 2020 Nordix Foundation
* Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
* Modifications Copyright (C) 2021 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.auth.clicodegen;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.junit.Test;
import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
import org.onap.policy.apex.model.basicmodel.handling.ApexModelException;
import org.onap.policy.apex.model.basicmodel.handling.ApexModelReader;
import org.onap.policy.apex.model.contextmodel.concepts.AxContextAlbum;
import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchema;
import org.onap.policy.apex.model.eventmodel.concepts.AxEvent;
import org.onap.policy.apex.model.eventmodel.concepts.AxField;
import org.onap.policy.apex.model.policymodel.concepts.AxPolicy;
import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
import org.onap.policy.apex.model.policymodel.concepts.AxState;
import org.onap.policy.apex.model.policymodel.concepts.AxStateFinalizerLogic;
import org.onap.policy.apex.model.policymodel.concepts.AxStateOutput;
import org.onap.policy.apex.model.policymodel.concepts.AxStateTaskReference;
import org.onap.policy.apex.model.policymodel.concepts.AxTask;
import org.onap.policy.apex.model.policymodel.concepts.AxTaskLogic;
import org.onap.policy.apex.model.policymodel.concepts.AxTaskParameter;
import org.onap.policy.apex.model.policymodel.concepts.AxTaskSelectionLogic;
import org.stringtemplate.v4.ST;
/**
* Test CLI code generation.
*/
public class CodeGeneratorCliEditorTest {
private SupportKeyInfoGetter kig;
private File outFile = null;
@Test
public void test() throws IOException, ApexModelException {
final CodeGeneratorCliEditor codeGen = new CodeGeneratorCliEditor();
outFile = File.createTempFile("ApexTestGenerated", ".apex");
ApexModelReader<AxPolicyModel> modelReader = null;
modelReader = new ApexModelReader<>(AxPolicyModel.class);
modelReader.setValidateFlag(false);
AxPolicyModel apexPolicyModel = null;
apexPolicyModel = modelReader
.read(new FileInputStream(new File("src/test/resources/models/TestPolicyModel.json")));
assertEquals(0, generateCli(codeGen, apexPolicyModel));
}
/**
* Generate the CLI from the model.
*
* @param codeGen the code generator
* @param policyModel the policy model
* @throws IOException on generation exceptions
*/
private int generateCli(final CodeGeneratorCliEditor codeGen, final AxPolicyModel policyModel) throws IOException {
kig = new SupportKeyInfoGetter(policyModel);
// Order is important. 0: model, 1: context schemas, 2: tasks, 3: events, 4: ContextAlbums, 5: Policies
// 0: model
final AxArtifactKey pmkey = policyModel.getKey();
codeGen.addModelParams(kig.getName(pmkey), kig.getVersion(pmkey), kig.getUuid(pmkey), kig.getDesc(pmkey));
// 1: Context Schemas
for (final AxContextSchema s : policyModel.getSchemas().getSchemasMap().values()) {
final AxArtifactKey key = s.getKey();
codeGen.addSchemaDeclaration(kig.getName(key), kig.getVersion(key), kig.getUuid(key), kig.getDesc(key),
s.getSchemaFlavour(), s.getSchema());
}
// 2: tasks
for (final AxTask t : policyModel.getTasks().getTaskMap().values()) {
final AxArtifactKey key = t.getKey();
final ST logic = getLogicForTask(codeGen, t);
final List<ST> parameters = getParametersForTask(codeGen, t);
final List<ST> contextRefs = getCtxtRefsForTask(codeGen, t);
codeGen.addTaskDeclaration(TaskDeclaration.builder().name(kig.getName(key))
.version(kig.getVersion(key)).uuid(kig.getUuid(key)).description(kig.getDesc(key))
.logic(logic).parameters(parameters).contextRefs(contextRefs).build());
}
// 3: events
for (final AxEvent e : policyModel.getEvents().getEventMap().values()) {
final AxArtifactKey key = e.getKey();
final List<ST> fields = getParametersForEvent(codeGen, e);
codeGen.addEventDeclaration(
EventDeclaration.builder()
.name(kig.getName(key))
.version(kig.getVersion(key))
.uuid(kig.getUuid(key))
.description(kig.getDesc(key))
.nameSpace(e.getNameSpace())
.source(e.getSource())
.target(e.getTarget())
.fields(fields)
.build());
}
// 4: context albums
for (final AxContextAlbum a : policyModel.getAlbums().getAlbumsMap().values()) {
final AxArtifactKey key = a.getKey();
codeGen.addContextAlbumDeclaration(
CodeGenCliEditor.builder()
.name(kig.getName(key))
.version(kig.getVersion(key))
.uuid(kig.getUuid(key))
.description(kig.getDesc(key))
.scope(a.getScope())
.writable(a.isWritable())
.schemaName(kig.getName(a.getItemSchema()))
.schemaVersion(kig.getVersion(a.getItemSchema()))
.build());
}
// 5: policies
for (final AxPolicy p : policyModel.getPolicies().getPolicyMap().values()) {
final AxArtifactKey key = p.getKey();
final List<ST> states = getStatesForPolicy(codeGen, p);
codeGen.addPolicyDefinition(kig.getName(key), kig.getVersion(key), kig.getUuid(key), kig.getDesc(key),
p.getTemplate(), p.getFirstState(), states);
}
final String out = codeGen.getModel().render();
FileWriter outFileWriter = new FileWriter(outFile);
outFileWriter.write(out);
outFileWriter.close();
return 0;
}
/**
* Gets the parameters for event.
*
* @param cg the code generator
* @param event the event
* @return the parameters for event
*/
private List<ST> getParametersForEvent(final CodeGeneratorCliEditor cg, final AxEvent event) {
final Collection<AxField> fields = event.getFields();
final List<ST> ret = new ArrayList<>(fields.size());
for (final AxField f : fields) {
final AxReferenceKey fkey = f.getKey();
final ST val = cg.createEventFieldDefinition(kig.getPName(fkey), kig.getPVersion(fkey), kig.getLName(fkey),
kig.getName(f.getSchema()), kig.getVersion(f.getSchema()), f.getOptional());
ret.add(val);
}
return ret;
}
/**
* Gets the context references for task.
*
* @param cg the code generator
* @param task the task
* @return the context references for task
*/
private List<ST> getCtxtRefsForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
final Collection<AxArtifactKey> ctxs = task.getContextAlbumReferences();
final List<ST> ret = new ArrayList<>(ctxs.size());
final AxArtifactKey tkey = task.getKey();
for (final AxArtifactKey ckey : ctxs) {
final ST val = cg.createTaskDefinitionContextRef(kig.getName(tkey), kig.getVersion(tkey), kig.getName(ckey),
kig.getVersion(ckey));
ret.add(val);
}
return ret;
}
/**
* Gets the parameters for task.
*
* @param cg the code generator
* @param task the task
* @return the parameters for task
*/
private List<ST> getParametersForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
final Collection<AxTaskParameter> pars = task.getTaskParameters().values();
final List<ST> ret = new ArrayList<>(pars.size());
for (final AxTaskParameter p : pars) {
final AxReferenceKey pkey = p.getKey();
final ST val = cg.createTaskDefinitionParameters(kig.getPName(pkey), kig.getPVersion(pkey),
kig.getLName(pkey), p.getTaskParameterValue());
ret.add(val);
}
return ret;
}
/**
* Gets the logic for task.
*
* @param cg the code generator
* @param task the task
* @return the logic for task
*/
private ST getLogicForTask(final CodeGeneratorCliEditor cg, final AxTask task) {
final AxArtifactKey tkey = task.getKey();
final AxTaskLogic tl = task.getTaskLogic();
return cg.createTaskDefLogic(kig.getName(tkey), kig.getVersion(tkey), tl.getLogicFlavour(), tl.getLogic());
}
/**
* Gets the states for policy.
*
* @param cg the code generator
* @param pol the policy
* @return the states for policy
*/
private List<ST> getStatesForPolicy(final CodeGeneratorCliEditor cg, final AxPolicy pol) {
final Collection<AxState> states = pol.getStateMap().values();
final List<ST> ret = new ArrayList<>(states.size());
for (final AxState st : states) {
final AxReferenceKey skey = st.getKey();
final List<ST> outputs = getStateOutputsForState(cg, st);
final List<ST> finalizerLogics = getFinalizersForState(cg, st);
final List<ST> tasks = getTaskRefsForState(cg, st);
final List<ST> tsLogic = getTslForState(cg, st);
final List<ST> ctxRefs = getCtxtRefsForState(cg, st);
final ST val = cg.createPolicyStateDef(PolicyStateDef.builder()
.policyName(kig.getPName(skey)).version(kig.getPVersion(skey))
.stateName(kig.getLName(skey)).triggerName(kig.getName(st.getTrigger()))
.triggerVersion(kig.getVersion(st.getTrigger()))
.defaultTask(kig.getName(st.getDefaultTask()))
.defaultTaskVersion(kig.getVersion(st.getDefaultTask())).outputs(outputs)
.tasks(tasks).tsLogic(tsLogic).finalizerLogics(finalizerLogics)
.ctxRefs(ctxRefs).build());
ret.add(val);
}
return ret;
}
/**
* Gets the finalizers for state.
*
* @param cg the code generator
* @param st the state
* @return the finalizers for state
*/
private List<ST> getFinalizersForState(final CodeGeneratorCliEditor cg, final AxState st) {
final Collection<AxStateFinalizerLogic> fins = st.getStateFinalizerLogicMap().values();
final List<ST> ret = new ArrayList<>(fins.size());
final AxReferenceKey skey = st.getKey();
for (final AxStateFinalizerLogic fin : fins) {
final AxReferenceKey finkey = fin.getKey();
final ST val = cg.createPolicyStateDefFinalizerLogic(kig.getPName(skey), kig.getPVersion(skey),
kig.getLName(skey), kig.getLName(finkey), fin.getLogicFlavour(), fin.getLogic());
ret.add(val);
}
return ret;
}
/**
* Gets the context references for state.
*
* @param cg the code generator
* @param st the state
* @return the context references for state
*/
private List<ST> getCtxtRefsForState(final CodeGeneratorCliEditor cg, final AxState st) {
final Collection<AxArtifactKey> ctxs = st.getContextAlbumReferences();
final List<ST> ret = new ArrayList<>(ctxs.size());
final AxReferenceKey skey = st.getKey();
for (final AxArtifactKey ctx : ctxs) {
final ST val = cg.createPolicyStateDefContextRef(kig.getPName(skey), kig.getPVersion(skey),
kig.getLName(skey), kig.getName(ctx), kig.getVersion(ctx));
ret.add(val);
}
return ret;
}
/**
* Gets the Task Selection Logic for state.
*
* @param cg the code generator
* @param st the state
* @return the TSL for state (if any) in a list
*/
private List<ST> getTslForState(final CodeGeneratorCliEditor cg, final AxState st) {
final AxReferenceKey skey = st.getKey();
if (st.checkSetTaskSelectionLogic()) {
final AxTaskSelectionLogic tsl = st.getTaskSelectionLogic();
final ST val = cg.createPolicyStateDefTaskSelLogic(kig.getPName(skey), kig.getPVersion(skey),
kig.getLName(skey), tsl.getLogicFlavour(), tsl.getLogic());
return Collections.singletonList(val);
} else {
return Collections.emptyList();
}
}
/**
* Gets the task references for state.
*
* @param cg the code generator
* @param st the state
* @return the task references for state
*/
private List<ST> getTaskRefsForState(final CodeGeneratorCliEditor cg, final AxState st) {
final Map<AxArtifactKey, AxStateTaskReference> taskrefs = st.getTaskReferences();
final List<ST> ret = new ArrayList<>(taskrefs.size());
final AxReferenceKey skey = st.getKey();
for (final Entry<AxArtifactKey, AxStateTaskReference> e : taskrefs.entrySet()) {
final AxArtifactKey tkey = e.getKey();
final AxStateTaskReference tr = e.getValue();
final AxReferenceKey trkey = tr.getKey();
final ST val = cg.createPolicyStateTask(PolicyStateTask.builder()
.policyName(kig.getPName(skey)).version(kig.getPVersion(skey))
.stateName(kig.getLName(skey)).taskLocalName(kig.getLName(trkey))
.taskName(kig.getName(tkey)).taskVersion(kig.getVersion(tkey))
.outputType(tr.getStateTaskOutputType().name())
.outputName(kig.getLName(tr.getOutput()))
.build());
ret.add(val);
}
return ret;
}
/**
* Gets the state outputs for state.
*
* @param cg the code generator
* @param st the state
* @return the state outputs for state
*/
private List<ST> getStateOutputsForState(final CodeGeneratorCliEditor cg, final AxState st) {
final Collection<AxStateOutput> outs = st.getStateOutputs().values();
final List<ST> ret = new ArrayList<>(outs.size());
final AxReferenceKey skey = st.getKey();
for (final AxStateOutput out : outs) {
final AxReferenceKey outkey = out.getKey();
final ST val = cg.createPolicyStateOutput(kig.getPName(skey), kig.getPVersion(skey), kig.getLName(skey),
kig.getLName(outkey), kig.getName(out.getOutgoingEvent()), kig.getVersion(out.getOutgoingEvent()),
kig.getLName(out.getNextState()));
ret.add(val);
}
return ret;
}
}
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