diff options
Diffstat (limited to 'bpmn/MSOCommonBPMN')
6 files changed, 278 insertions, 39 deletions
diff --git a/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtil.groovy b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtil.groovy index 5c935e9081..250cdda0a1 100644 --- a/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtil.groovy +++ b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtil.groovy @@ -19,29 +19,30 @@ */ package org.onap.so.bpmn.common.scripts -import org.camunda.bpm.engine.delegate.BpmnError + + import org.camunda.bpm.engine.delegate.DelegateExecution -import org.onap.so.bpmn.common.scripts.AbstractServiceTaskProcessor; +import org.onap.logging.ref.slf4j.ONAPLogConstants import org.onap.so.client.HttpClient +import org.onap.so.client.HttpClientFactory import org.onap.so.logger.MsoLogger -import org.apache.commons.lang3.StringEscapeUtils -import java.util.regex.Matcher -import java.util.regex.Pattern +import org.onap.so.utils.TargetEntity import javax.ws.rs.core.MediaType import javax.ws.rs.core.Response -import org.onap.so.utils.TargetEntity +import java.util.regex.Matcher +import java.util.regex.Pattern class ExternalAPIUtil { String Prefix="EXTAPI_" - public MsoUtils utils = new MsoUtils() - - ExceptionUtil exceptionUtil = new ExceptionUtil() - private static final MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL, ExternalAPIUtil.class) + private final HttpClientFactory httpClientFactory; + private final MsoUtils utils; + private final ExceptionUtil exceptionUtil; + public static final String PostServiceOrderRequestsTemplate = "{\n" + "\t\"externalId\": <externalId>,\n" + @@ -85,7 +86,10 @@ class ExternalAPIUtil { "\t} \n" + "}" - public ExternalAPIUtil() { + ExternalAPIUtil(HttpClientFactory httpClientFactory, MsoUtils utils, ExceptionUtil exceptionUtil) { + this.httpClientFactory = httpClientFactory + this.utils = utils + this.exceptionUtil = exceptionUtil } // public String getUri(DelegateExecution execution, resourceName) { @@ -137,8 +141,7 @@ class ExternalAPIUtil { msoLogger.debug( "Generated uuid is: " + uuid) msoLogger.debug( "URL to be used is: " + url) - URL Url = new URL(url) - HttpClient client = new HttpClient(Url, MediaType.APPLICATION_JSON, TargetEntity.EXTERNAL) + HttpClient client = httpClientFactory.create(new URL(url), MediaType.APPLICATION_JSON, TargetEntity.EXTERNAL) client.addBasicAuthHeader(execution.getVariable("URN_externalapi_auth"), execution.getVariable("URN_mso_msoKey")) client.addAdditionalHeader("X-FromAppId", "MSO") client.addAdditionalHeader(ONAPLogConstants.Headers.REQUEST_ID, uuid) @@ -166,17 +169,15 @@ class ExternalAPIUtil { * @return Response * */ - public Response executeExternalAPIPostCall(DelegateExecution execution, String urlString, String payload){ + public Response executeExternalAPIPostCall(DelegateExecution execution, String url, String payload){ msoLogger.debug( " ======== Started Execute ExternalAPI Post Process ======== ") Response apiResponse = null try{ String uuid = utils.getRequestID() msoLogger.debug( "Generated uuid is: " + uuid) - msoLogger.debug( "URL to be used is: " + urlString) - - URL url = new URL(urlString); + msoLogger.debug( "URL to be used is: " + url) - HttpClient httpClient = new HttpClient(url, "application/json", TargetEntity.AAI) + HttpClient httpClient = httpClientFactory.create(new URL(url), MediaType.APPLICATION_JSON, TargetEntity.AAI) httpClient.addBasicAuthHeader(execution.getVariable("URN_externalapi_auth"), execution.getVariable("URN_mso_msoKey")) httpClient.addAdditionalHeader("X-FromAppId", "MSO") httpClient.addAdditionalHeader("X-TransactionId", uuid) diff --git a/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtilFactory.groovy b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtilFactory.groovy new file mode 100644 index 0000000000..e7f46464ee --- /dev/null +++ b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtilFactory.groovy @@ -0,0 +1,29 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP - SO + * ================================================================================ + * Copyright (C) 2018 Nokia. + * ================================================================================ + * 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.so.bpmn.common.scripts + +import org.onap.so.client.HttpClientFactory + +class ExternalAPIUtilFactory { + + ExternalAPIUtil create() { + return new ExternalAPIUtil(new HttpClientFactory(), new MsoUtils(), new ExceptionUtil()) + } +} diff --git a/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/UpdateAAIVfModule.groovy b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/UpdateAAIVfModule.groovy index 6691a82352..354ece9e63 100644 --- a/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/UpdateAAIVfModule.groovy +++ b/bpmn/MSOCommonBPMN/src/main/groovy/org/onap/so/bpmn/common/scripts/UpdateAAIVfModule.groovy @@ -174,14 +174,12 @@ public class UpdateAAIVfModule extends AbstractServiceTaskProcessor { personaModelVersionEntry = updateVfModuleNode(origRequest, 'persona-model-version') } String contrailServiceInstanceFqdnEntry = updateVfModuleNode(origRequest, 'contrail-service-instance-fqdn') - def payload = """ - { ${orchestrationStatusEntry} - ${heatStackIdEntry} - ${personaModelVersionEntry} - ${contrailServiceInstanceFqdnEntry} - "vf-module-id": "${vfModuleId}" - } - """ + org.onap.aai.domain.yang.VfModule payload = new org.onap.aai.domain.yang.VfModule(); + payload.setVfModuleId(vfModuleId) + payload.setOrchestrationStatus(orchestrationStatusEntry) + payload.setHeatStackId(heatStackIdEntry) + payload.setPersonaModelVersion(personaModelVersionEntry) + payload.setContrailServiceInstanceFqdn(contrailServiceInstanceFqdnEntry) try { AAIResourceUri resourceUri = AAIUriFactory.createResourceUri(AAIObjectType.VF_MODULE, vnfId, vfModuleId) @@ -210,16 +208,16 @@ public class UpdateAAIVfModule extends AbstractServiceTaskProcessor { private String updateVfModuleNode(String origRequest, String elementName) { if (!utils.nodeExists(origRequest, elementName)) { - return "" + return null } def elementValue = utils.getNodeText(origRequest, elementName) if (elementValue.equals('DELETE')) { - // Set the element being deleted to null - return """"${elementName}": null,""" + // Set the element being deleted to empty string + return "" } else { - return """"${elementName}": "${elementValue}",""" + return elementValue } } diff --git a/bpmn/MSOCommonBPMN/src/main/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetup.java b/bpmn/MSOCommonBPMN/src/main/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetup.java index c0f1c48b76..b1e5d0d208 100644 --- a/bpmn/MSOCommonBPMN/src/main/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetup.java +++ b/bpmn/MSOCommonBPMN/src/main/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetup.java @@ -115,7 +115,7 @@ public class BBInputSetup implements JavaDelegate { private BBInputSetupMapperLayer mapperLayer; @Autowired - private CloudInfoFromAAI bbInputSetupHelper; + private CloudInfoFromAAI cloudInfoFromAAI; @Autowired private ExceptionBuilder exceptionUtil; @@ -125,6 +125,10 @@ public class BBInputSetup implements JavaDelegate { public BBInputSetupUtils getBbInputSetupUtils() { return bbInputSetupUtils; } + + public void setCloudInfoFromAAI(CloudInfoFromAAI cloudInfoFromAAI) { + this.cloudInfoFromAAI = cloudInfoFromAAI; + } public void setBbInputSetupUtils(BBInputSetupUtils bbInputSetupUtils) { this.bbInputSetupUtils = bbInputSetupUtils; @@ -987,7 +991,7 @@ public class BBInputSetup implements JavaDelegate { ServiceInstance serviceInstance = gBB.getServiceInstance(); CloudRegion cloudRegion = null; if(cloudConfiguration == null) { - Optional<CloudRegion> cloudRegionOp = bbInputSetupHelper.getCloudInfoFromAAI(serviceInstance); + Optional<CloudRegion> cloudRegionOp = cloudInfoFromAAI.getCloudInfoFromAAI(serviceInstance); if(cloudRegionOp.isPresent()) { cloudRegion = cloudRegionOp.get(); } @@ -1040,9 +1044,9 @@ public class BBInputSetup implements JavaDelegate { vnfModelInfo.setModelCustomizationUuid(vnfModelCustomizationUUID); this.mapCatalogVnf(vnf, vnfModelInfo, service); lookupKeyMap.put(ResourceKey.GENERIC_VNF_ID, vnf.getVnfId()); - if (cloudConfiguration != null) { - String volumeGroupCustomizationUUID = this.bbInputSetupUtils.getAAIVolumeGroup(cloudConfiguration.getCloudOwner(), - cloudConfiguration.getLcpCloudRegionId(), volumeGroup.getVolumeGroupId()) + if (cloudRegion != null) { + String volumeGroupCustomizationUUID = this.bbInputSetupUtils.getAAIVolumeGroup(cloudRegion.getCloudOwner(), + cloudRegion.getLcpCloudRegionId(), volumeGroup.getVolumeGroupId()) .getModelCustomizationId(); ModelInfo volumeGroupModelInfo = new ModelInfo(); volumeGroupModelInfo.setModelCustomizationId(volumeGroupCustomizationUUID); diff --git a/bpmn/MSOCommonBPMN/src/test/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtilTest.groovy b/bpmn/MSOCommonBPMN/src/test/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtilTest.groovy new file mode 100644 index 0000000000..5f428f1f9f --- /dev/null +++ b/bpmn/MSOCommonBPMN/src/test/groovy/org/onap/so/bpmn/common/scripts/ExternalAPIUtilTest.groovy @@ -0,0 +1,199 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP - SO + * ================================================================================ + * Copyright (C) 2018 Nokia. + * ================================================================================ + * 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.so.bpmn.common.scripts + +import org.assertj.core.api.AbstractAssert +import org.camunda.bpm.engine.delegate.BpmnError +import org.camunda.bpm.engine.delegate.DelegateExecution +import org.junit.Test +import org.onap.logging.ref.slf4j.ONAPLogConstants +import org.onap.so.client.HttpClient +import org.onap.so.client.HttpClientFactory +import org.onap.so.utils.TargetEntity +import org.springframework.http.HttpStatus + +import javax.ws.rs.core.MediaType +import javax.ws.rs.core.Response + +import static org.assertj.core.api.Assertions.assertThat +import static org.assertj.core.api.Assertions.catchThrowableOfType +import static org.mockito.BDDMockito.given +import static org.mockito.BDDMockito.then +import static org.mockito.BDDMockito.willThrow +import static org.mockito.Mockito.mock +import static org.mockito.Mockito.times + +class ExternalAPIUtilTest { + + private static final String URL = "http://someUrl" + private static final String UUID_STR = UUID.nameUUIDFromBytes("deterministic_uuid".getBytes()) + private static final String BODY_PAYLOAD = "payload" + + @Test + void executeExternalAPIGetCall_shouldPerformRestGetCall_withAuthorizationHeaderSet() { + // GIVEN + Response expectedResponse = createExpectedResponse(HttpStatus.ACCEPTED, BODY_PAYLOAD) + HttpClient httpClient = mock(HttpClient.class) + given(httpClient.get()).willReturn(expectedResponse) + HttpClientFactory httpClientFactory = mock(HttpClientFactory.class) + given(httpClientFactory.create(new URL(URL), MediaType.APPLICATION_JSON, TargetEntity.EXTERNAL)).willReturn(httpClient) + + // WHEN + ExternalAPIUtil externalAPIUtil = new ExternalAPIUtil(httpClientFactory, new DummyMsoUtils(UUID_STR), new ExceptionUtil()) + Response apiResponse = externalAPIUtil.executeExternalAPIGetCall(createDelegateExecution(), URL) + + // THEN + then(httpClient).should(times(1)).addBasicAuthHeader("value_externalapi_auth", "value_mso_msoKey") + then(httpClient).should(times(1)).addAdditionalHeader("X-FromAppId", "MSO") + then(httpClient).should(times(1)).addAdditionalHeader(ONAPLogConstants.Headers.REQUEST_ID, UUID_STR) + then(httpClient).should(times(1)).addAdditionalHeader("Accept", MediaType.APPLICATION_JSON) + ResponseAssert.assertThat(apiResponse) + .hasStatusCode(HttpStatus.ACCEPTED) + .hasBody(BODY_PAYLOAD) + } + + @Test + void executeExternalAPIGetCall_shouldHandleExceptionsThrownByGetCall_andRethrowAsBpmnError() { + // GIVEN + HttpClient httpClient = mock(HttpClient.class) + willThrow(new RuntimeException("error occurred")).given(httpClient).get() + HttpClientFactory httpClientFactory = mock(HttpClientFactory.class) + given(httpClientFactory.create(new URL(URL), MediaType.APPLICATION_JSON, TargetEntity.EXTERNAL)).willReturn(httpClient) + DelegateExecution delegateExecution = createDelegateExecution() + DummyExceptionUtil exceptionUtil = new DummyExceptionUtil() + + // WHEN + ExternalAPIUtil externalAPIUtil = new ExternalAPIUtil(httpClientFactory, new DummyMsoUtils(UUID_STR), exceptionUtil) + BpmnError bpmnError = catchThrowableOfType({ -> externalAPIUtil.executeExternalAPIGetCall(delegateExecution, URL) + }, BpmnError.class) + + // THEN + assertThat(exceptionUtil.getDelegateExecution()).isSameAs(delegateExecution) + assertThat(bpmnError.getMessage()).isEqualTo("error occurred") + assertThat(bpmnError.getErrorCode()).isEqualTo("9999") + } + + @Test + void executeExternalAPIPostCall_shouldHandleExceptionsThrownByPostCall_andRethrowAsBpmnError() { + // GIVEN + HttpClient httpClient = mock(HttpClient.class) + willThrow(new RuntimeException("error occurred")).given(httpClient).post(BODY_PAYLOAD) + HttpClientFactory httpClientFactory = mock(HttpClientFactory.class) + given(httpClientFactory.create(new URL(URL), MediaType.APPLICATION_JSON, TargetEntity.AAI)).willReturn(httpClient) + DelegateExecution delegateExecution = createDelegateExecution() + DummyExceptionUtil exceptionUtil = new DummyExceptionUtil() + + // WHEN + ExternalAPIUtil externalAPIUtil = new ExternalAPIUtil(httpClientFactory, new DummyMsoUtils(UUID_STR), exceptionUtil) + BpmnError bpmnError = catchThrowableOfType({ -> + externalAPIUtil.executeExternalAPIPostCall(delegateExecution, URL, BODY_PAYLOAD) + }, BpmnError.class) + + // THEN + assertThat(exceptionUtil.getDelegateExecution()).isSameAs(delegateExecution) + assertThat(bpmnError.getMessage()).isEqualTo("error occurred") + assertThat(bpmnError.getErrorCode()).isEqualTo("9999") + } + + @Test + void executeExternalAPIPostCall_shouldPerformRestPostCall_withPayloadAndAuthorizationHeaderSet() { + // GIVEN + Response expectedResponse = createExpectedResponse(HttpStatus.ACCEPTED, BODY_PAYLOAD) + HttpClient httpClient = mock(HttpClient.class) + given(httpClient.post(BODY_PAYLOAD)).willReturn(expectedResponse) + HttpClientFactory httpClientFactory = mock(HttpClientFactory.class) + given(httpClientFactory.create(new URL(URL), MediaType.APPLICATION_JSON, TargetEntity.AAI)).willReturn(httpClient) + + // WHEN + ExternalAPIUtil externalAPIUtil = new ExternalAPIUtil(httpClientFactory, new DummyMsoUtils(UUID_STR), new ExceptionUtil()) + Response apiResponse = externalAPIUtil.executeExternalAPIPostCall(createDelegateExecution(), URL, BODY_PAYLOAD) + + // THEN + then(httpClient).should(times(1)).addBasicAuthHeader("value_externalapi_auth", "value_mso_msoKey") + then(httpClient).should(times(1)).addAdditionalHeader("X-FromAppId", "MSO") + then(httpClient).should(times(1)).addAdditionalHeader("X-TransactionId", UUID_STR) + ResponseAssert.assertThat(apiResponse) + .hasStatusCode(HttpStatus.ACCEPTED) + .hasBody(BODY_PAYLOAD) + } + + private Response createExpectedResponse(HttpStatus httpStatus, String body) { + Response expectedResponse = mock(Response.class) + given(expectedResponse.getStatus()).willReturn(httpStatus.value()) + given(expectedResponse.getEntity()).willReturn(body) + return expectedResponse + } + + private DelegateExecution createDelegateExecution() { + DelegateExecution delegateExecution = mock(DelegateExecution.class) + given(delegateExecution.getVariable("URN_externalapi_auth")).willReturn("value_externalapi_auth") + given(delegateExecution.getVariable("URN_mso_msoKey")).willReturn("value_mso_msoKey") + return delegateExecution + } + + private static class ResponseAssert extends AbstractAssert<ResponseAssert, Response> { + + ResponseAssert(Response response) { + super(response, ResponseAssert.class) + } + + static ResponseAssert assertThat(Response response) { + return new ResponseAssert(response) + } + + ResponseAssert hasStatusCode(HttpStatus httpStatus) { + assertThat(actual.getStatus()).isEqualTo(httpStatus.value()) + return this + } + + ResponseAssert hasBody(String responseBody) { + assertThat(actual.getEntity()).isEqualTo(responseBody) + return this + } + } + + private static class DummyMsoUtils extends MsoUtils { + + private final String uuid + + DummyMsoUtils(String uuid) { + this.uuid = uuid + } + + String getRequestID() { + return uuid + } + } + + private static class DummyExceptionUtil extends ExceptionUtil { + + private DelegateExecution delegateExecution + + @Override + void buildAndThrowWorkflowException(DelegateExecution delegateExecution, int errorCode, String errorMessage) { + this.delegateExecution = delegateExecution + throw new BpmnError(String.valueOf(errorCode), errorMessage) + } + + DelegateExecution getDelegateExecution() { + return delegateExecution + } + } +}
\ No newline at end of file diff --git a/bpmn/MSOCommonBPMN/src/test/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetupTest.java b/bpmn/MSOCommonBPMN/src/test/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetupTest.java index 8399fe15a3..1654aa06de 100644 --- a/bpmn/MSOCommonBPMN/src/test/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetupTest.java +++ b/bpmn/MSOCommonBPMN/src/test/java/org/onap/so/bpmn/servicedecomposition/tasks/BBInputSetupTest.java @@ -40,6 +40,7 @@ import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; +import java.util.Optional; import org.camunda.bpm.engine.delegate.DelegateExecution; import org.junit.Before; @@ -130,6 +131,9 @@ public class BBInputSetupTest { @Mock private BBInputSetupUtils SPY_bbInputSetupUtils; + @Mock + private CloudInfoFromAAI SPY_cloudInfoFromAAI; + @Spy private BBInputSetupMapperLayer bbInputSetupMapperLayer; @@ -137,6 +141,7 @@ public class BBInputSetupTest { public void setup(){ SPY_bbInputSetup.setBbInputSetupUtils(SPY_bbInputSetupUtils); SPY_bbInputSetup.setMapperLayer(bbInputSetupMapperLayer); + SPY_bbInputSetup.setCloudInfoFromAAI(SPY_cloudInfoFromAAI); } @Test @@ -2270,19 +2275,22 @@ public class BBInputSetupTest { verify(SPY_bbInputSetup, times(1)).mapCatalogVfModule(any(VfModule.class), any(ModelInfo.class), any(Service.class), any(String.class)); - org.onap.aai.domain.yang.CloudRegion aaiCloudRegion = Mockito.mock(org.onap.aai.domain.yang.CloudRegion.class); + CloudRegion cloudRegion = new CloudRegion(); + cloudRegion.setLcpCloudRegionId("cloudRegionId"); + cloudRegion.setCloudOwner("CloudOwner"); + doReturn(Optional.of(cloudRegion)).when(SPY_cloudInfoFromAAI).getCloudInfoFromAAI(gBB.getServiceInstance()); VolumeGroup volumeGroup = new VolumeGroup(); volumeGroup.setVolumeGroupId("volumeGroupId"); gBB.getServiceInstance().getVnfs().get(0).getVolumeGroups().add(volumeGroup); org.onap.aai.domain.yang.VolumeGroup aaiVolumeGroup = new org.onap.aai.domain.yang.VolumeGroup(); aaiVolumeGroup.setModelCustomizationId("modelCustId"); - doReturn(aaiVolumeGroup).when(SPY_bbInputSetupUtils).getAAIVolumeGroup(Defaults.CLOUD_OWNER.toString(), - cloudConfiguration.getLcpCloudRegionId(), volumeGroup.getVolumeGroupId()); + doReturn(aaiVolumeGroup).when(SPY_bbInputSetupUtils).getAAIVolumeGroup(cloudRegion.getCloudOwner(), + cloudRegion.getLcpCloudRegionId(), volumeGroup.getVolumeGroupId()); executeBB.getBuildingBlock().setBpmnFlowName("UnassignVolumeGroupBB"); executeBB.getBuildingBlock().setKey("72d9d1cd-f46d-447a-abdb-451d6fb05fa8"); SPY_bbInputSetup.getGBBMacroExistingService(executeBB, lookupKeyMap, - executeBB.getBuildingBlock().getBpmnFlowName(), gBB, service, requestAction, cloudConfiguration); + executeBB.getBuildingBlock().getBpmnFlowName(), gBB, service, requestAction, null); verify(SPY_bbInputSetup, times(3)).mapCatalogVnf(any(GenericVnf.class), any(ModelInfo.class), any(Service.class)); verify(SPY_bbInputSetup, times(1)).mapCatalogVolumeGroup(isA(VolumeGroup.class), isA(ModelInfo.class), |