Java tutorial
/* * 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.kylin.tool.metrics.systemcube; import java.util.List; import javax.annotation.Nullable; import org.apache.kylin.cube.model.CubeDesc; import org.apache.kylin.metadata.model.DataModelDesc; import org.apache.kylin.metadata.model.TableDesc; import org.apache.kylin.metadata.project.ProjectInstance; import org.apache.kylin.metadata.project.ProjectStatusEnum; import org.apache.kylin.metadata.project.RealizationEntry; import org.apache.kylin.metadata.realization.RealizationType; import org.apache.kylin.metrics.MetricsManager; import com.google.common.base.Function; import com.google.common.collect.Lists; import com.google.common.collect.Sets; public class ProjectCreator { private static final String SYSTEM_PROJECT_DESC = "This project is kylin's system project for kylin metrics"; public static ProjectInstance generateKylinProjectInstance(String owner, List<TableDesc> kylinTables, List<DataModelDesc> kylinModels, List<CubeDesc> kylinCubeDescs) { ProjectInstance projectInstance = new ProjectInstance(); projectInstance.setName(MetricsManager.SYSTEM_PROJECT); projectInstance.setOwner(owner); projectInstance.setDescription(SYSTEM_PROJECT_DESC); projectInstance.setStatus(ProjectStatusEnum.ENABLED); projectInstance.setCreateTimeUTC(0L); projectInstance.updateRandomUuid(); if (kylinTables != null) projectInstance .setTables(Sets.newHashSet(Lists.transform(kylinTables, new Function<TableDesc, String>() { @Nullable @Override public String apply(@Nullable TableDesc tableDesc) { if (tableDesc != null) { return tableDesc.getIdentity(); } return null; } }))); else projectInstance.setTables(Sets.<String>newHashSet()); if (kylinModels != null) projectInstance.setModels(Lists.transform(kylinModels, new Function<DataModelDesc, String>() { @Nullable @Override public String apply(@Nullable DataModelDesc modelDesc) { if (modelDesc != null) { return modelDesc.getName(); } return null; } })); else projectInstance.setModels(Lists.<String>newArrayList()); if (kylinCubeDescs != null) projectInstance.setRealizationEntries( Lists.transform(kylinCubeDescs, new Function<CubeDesc, RealizationEntry>() { @Nullable @Override public RealizationEntry apply(@Nullable CubeDesc cubeDesc) { if (cubeDesc != null) { RealizationEntry entry = new RealizationEntry(); entry.setRealization(cubeDesc.getName()); entry.setType(RealizationType.CUBE); return entry; } return null; } })); else projectInstance.setRealizationEntries(Lists.<RealizationEntry>newArrayList()); return projectInstance; } }