bbende commented on a change in pull request #3536: NIFI-6380: Introduced the notion of Parameters and Parameter Contexts… URL: https://github.com/apache/nifi/pull/3536#discussion_r294356153
########## File path: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/dao/impl/StandardParameterContextDAO.java ########## @@ -0,0 +1,231 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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. + */ +package org.apache.nifi.web.dao.impl; + +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.controller.ComponentNode; +import org.apache.nifi.controller.FlowController; +import org.apache.nifi.controller.ProcessorNode; +import org.apache.nifi.controller.PropertyConfiguration; +import org.apache.nifi.controller.flow.FlowManager; +import org.apache.nifi.controller.service.ControllerServiceNode; +import org.apache.nifi.controller.service.ControllerServiceState; +import org.apache.nifi.groups.ProcessGroup; +import org.apache.nifi.parameter.Parameter; +import org.apache.nifi.parameter.ParameterContext; +import org.apache.nifi.parameter.ParameterDescriptor; +import org.apache.nifi.parameter.ParameterReference; +import org.apache.nifi.parameter.ParameterReferenceManager; +import org.apache.nifi.web.ResourceNotFoundException; +import org.apache.nifi.web.api.dto.ParameterContextDTO; +import org.apache.nifi.web.api.dto.ParameterDTO; +import org.apache.nifi.web.dao.ParameterContextDAO; + +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; + +public class StandardParameterContextDAO implements ParameterContextDAO { + private FlowManager flowManager; + + @Override + public boolean hasParameterContext(final String parameterContextId) { + return flowManager.getParameterContextManager().getParameterContext(parameterContextId) != null; + } + + @Override + public void verifyCreate(final ParameterContextDTO parameterContextDto) { + verifyNoNamingConflict(parameterContextDto.getName()); + } + + @Override + public ParameterContext createParameterContext(final ParameterContextDTO parameterContextDto) { + final Set<Parameter> parameters = getParameters(parameterContextDto); + return flowManager.createParameterContext(parameterContextDto.getId(), parameterContextDto.getName(), parameters); + } + + private Set<Parameter> getParameters(final ParameterContextDTO parameterContextDto) { + final Set<ParameterDTO> parameterDtos = parameterContextDto.getParameters(); + if (parameterDtos == null) { + return Collections.emptySet(); + } + + return parameterContextDto.getParameters().stream() + .map(this::createParameter) + .collect(Collectors.toSet()); + } + + private Parameter createParameter(final ParameterDTO dto) { + final ParameterDescriptor descriptor = new ParameterDescriptor.Builder() + .name(dto.getName()) + .description(dto.getDescription()) + .sensitive(Boolean.TRUE.equals(dto.getSensitive())) + .build(); + + return new Parameter(descriptor, dto.getValue()); + } + + @Override + public ParameterContext getParameterContext(final String parameterContextId) { + final ParameterContext context = flowManager.getParameterContextManager().getParameterContext(parameterContextId); + if (context == null) { + throw new ResourceNotFoundException(String.format("Unable to find Parameter Context with id '%s'.", parameterContextId)); + } + + return context; + } + + @Override + public Set<ParameterContext> getParameterContexts() { + return flowManager.getParameterContextManager().getParameterContexts(); + } + + @Override + public ParameterContext updateParameterContext(final ParameterContextDTO parameterContextDto) { + verifyUpdate(parameterContextDto, true); + + final ParameterContext context = getParameterContext(parameterContextDto.getId()); + + if (parameterContextDto.getName() != null) { + final boolean conflict = flowManager.getParameterContextManager().getParameterContexts().stream() + .anyMatch(paramContext -> paramContext.getName().equals(parameterContextDto.getName())); + + if (conflict) { + throw new IllegalStateException("Cannot update Paramter Context name because another Parameter Context already exists with the name '" + parameterContextDto.getName() + "'"); Review comment: Typo - 'Paramter' ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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