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implement TSchema supplier
Signed-off-by: dbulahov <[email protected]>
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‎csdl/pom.xml‎

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<packaging>pom</packaging>
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<modules>
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<module>model</module>
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<module>provider</module>
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</modules>
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</project>

‎csdl/provider/pom.xml‎

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<?xml version="1.0"?>
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<!--
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/*********************************************************************
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* Copyright (c) 2024 Contributors to the Eclipse Foundation.
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*
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* This program and the accompanying materials are made
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* available under the terms of the Eclipse Public License 2.0
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* which is available at https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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**********************************************************************/
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-->
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.eclipse.daanse</groupId>
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<artifactId>org.eclipse.daanse.xmla.csdl</artifactId>
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<version>${revision}</version>
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</parent>
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<artifactId>org.eclipse.daanse.xmla.csdl.model.provider</artifactId>
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<name>CSDL model provider</name>
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<description>CSDL model provider</description>
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<properties>
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<bnd.version>7.2.0-SNAPSHOT</bnd.version>
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<gecko.emf.version>6.2.0</gecko.emf.version>
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<emf.common.version>2.30.0</emf.common.version>
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<emf.ecore.version>2.36.0</emf.ecore.version>
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<emf.ecore.xmi.version>2.37.0</emf.ecore.xmi.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.geckoprojects.emf</groupId>
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<artifactId>org.gecko.emf.osgi.api</artifactId>
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<version>${gecko.emf.version}</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.eclipse.daanse</groupId>
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<artifactId>org.eclipse.daanse.xmla.csdl.model.v2.edm</artifactId>
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<version>${revision}</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.daanse</groupId>
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<artifactId>org.eclipse.daanse.xmla.csdl.model.v2.an</artifactId>
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<version>${revision}</version>
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</dependency>
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</dependencies>
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</project>

‎csdl/provider/src/main/java/org/eclipse/daanse/xmla/csdl/model/provider/Constants.java‎

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/*
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* Copyright (c) 2024 Contributors to the Eclipse Foundation.
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*
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* This program and the accompanying materials are made
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* available under the terms of the Eclipse Public License 2.0
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* which is available at https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* SmartCity Jena - initial
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* Stefan Bischof (bipolis.org) - initial
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*/
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package org.eclipse.daanse.xmla.csdl.model.provider;
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public class Constants {
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public static final String RESOURCE_URL = "resource.url";
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public static final String PID_EMF_TSCHEMA_PROVIDER = "org.eclipse.daanse.rolap.mapping.model.provider.EmfTschemaProvider";
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}

‎csdl/provider/src/main/java/org/eclipse/daanse/xmla/csdl/model/provider/EmfTschemaProviderConfig.java‎

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/*
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* Copyright (c) 2026 Contributors to the Eclipse Foundation.
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*
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* This program and the accompanying materials are made
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* available under the terms of the Eclipse Public License 2.0
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* which is available at https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* SmartCity Jena - initial
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* Stefan Bischof (bipolis.org) - initial
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*/
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package org.eclipse.daanse.xmla.csdl.model.provider;
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import org.osgi.service.metatype.annotations.AttributeDefinition;
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import org.osgi.service.metatype.annotations.ObjectClassDefinition;
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@ObjectClassDefinition()
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public @interface EmfTschemaProviderConfig {
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@AttributeDefinition(name = Constants.RESOURCE_URL)
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String resource_url();
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}

‎csdl/provider/src/main/java/org/eclipse/daanse/xmla/csdl/model/provider/OlapTSchemaSupplier.java‎

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/*
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* Copyright (c) 2025 Contributors to the Eclipse Foundation.
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*
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* This program and the accompanying materials are made
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* available under the terms of the Eclipse Public License 2.0
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* which is available at https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* SmartCity Jena - initial
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* Stefan Bischof (bipolis.org) - initial
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*/
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package org.eclipse.daanse.xmla.csdl.model.provider;
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import java.util.function.Supplier;
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import org.eclipse.daanse.xmla.csdl.model.v2.edm.TSchema;
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/**
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* Supplier interface for providing an OlapCheckSuite. Implementations can load
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* suites from various sources (XMI files, JSON, etc.) and are aggregated by the
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* OlapCheckSuiteRegistry.
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*/
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public interface OlapTSchemaSupplier extends Supplier<TSchema> {
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}

‎csdl/provider/src/main/java/org/eclipse/daanse/xmla/csdl/model/provider/impl/EmfTschemaProvider.java‎

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/*
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* Copyright (c) 2026 Contributors to the Eclipse Foundation.
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*
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* This program and the accompanying materials are made
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* available under the terms of the Eclipse Public License 2.0
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* which is available at https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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*
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*/
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package org.eclipse.daanse.xmla.csdl.model.provider.impl;
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import java.io.IOException;
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import java.util.Map;
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import org.eclipse.daanse.xmla.csdl.model.provider.Constants;
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import org.eclipse.daanse.xmla.csdl.model.provider.EmfTschemaProviderConfig;
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import org.eclipse.daanse.xmla.csdl.model.provider.OlapTSchemaSupplier;
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import org.eclipse.daanse.xmla.csdl.model.v2.edm.EdmPackage;
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import org.eclipse.daanse.xmla.csdl.model.v2.edm.TSchema;
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import org.eclipse.emf.common.util.EList;
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import org.eclipse.emf.common.util.URI;
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import org.eclipse.emf.ecore.EObject;
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import org.eclipse.emf.ecore.resource.Resource;
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import org.eclipse.emf.ecore.resource.ResourceSet;
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import org.eclipse.emf.ecore.util.EcoreUtil;
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import org.gecko.emf.osgi.constants.EMFNamespaces;
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import org.osgi.service.component.annotations.Activate;
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import org.osgi.service.component.annotations.Component;
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import org.osgi.service.component.annotations.Deactivate;
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import org.osgi.service.component.annotations.Reference;
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import org.osgi.service.component.annotations.ServiceScope;
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import org.osgi.service.metatype.annotations.Designate;
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@Component(service = OlapTSchemaSupplier.class, scope = ServiceScope.SINGLETON, configurationPid = Constants.PID_EMF_TSCHEMA_PROVIDER)
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@Designate(factory = true, ocd = EmfTschemaProviderConfig.class)
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public class EmfTschemaProvider implements OlapTSchemaSupplier {
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@Reference(target = "(" + EMFNamespaces.EMF_MODEL_NAME + "=" + EdmPackage.eNAME + ")")
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private ResourceSet resourceSet;
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private TSchema tSchema;
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@Activate
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public void activate(EmfTschemaProviderConfig config) throws IOException {
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String url = config.resource_url();
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URI uri = URI.createFileURI(url);
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Resource resource = resourceSet.getResource(uri, true);
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resource.load(Map.of());
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EcoreUtil.resolveAll(resource);
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EList<EObject> contents = resource.getContents();
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for (EObject eObject : contents) {
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if (eObject instanceof TSchema rcm) {
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tSchema = rcm;
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}
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}
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}
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@Deactivate
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public void deactivate() {
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cleanAllResources();
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}
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@Override
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public TSchema get() {
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return tSchema;
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}
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private void cleanAllResources() {
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resourceSet.getResources().forEach(Resource::unload);
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}
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}

‎csdl/provider/src/main/java/org/eclipse/daanse/xmla/csdl/model/provider/package-info.java‎

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/*
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* Copyright (c) 2024 Contributors to the Eclipse Foundation.
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*
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* This program and the accompanying materials are made
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* available under the terms of the Eclipse Public License 2.0
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* which is available at https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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*
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*/
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@org.osgi.annotation.bundle.Export
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@org.osgi.annotation.versioning.Version("0.0.1")
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package org.eclipse.daanse.xmla.csdl.model.provider;
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