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Hibernate Entity Manager DataStore Harness (#1156)
* Hibernate Entity Manager DataStore Harness * Reuse fork
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132
...st/java/com/yahoo/elide/datastores/hibernate5/HibernateEntityManagerDataStoreHarness.java
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| /* | ||
| * Copyright 2020, Yahoo Inc. | ||
| * Licensed under the Apache License, Version 2.0 | ||
| * See LICENSE file in project root for terms. | ||
| */ | ||
| package com.yahoo.elide.datastores.hibernate5; | ||
|
|
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| import com.yahoo.elide.core.DataStore; | ||
| import com.yahoo.elide.core.datastore.test.DataStoreTestHarness; | ||
| import com.yahoo.elide.models.generics.Manager; | ||
| import com.yahoo.elide.models.triggers.Invoice; | ||
| import com.yahoo.elide.utils.ClassScanner; | ||
|
|
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| import example.Filtered; | ||
| import example.Parent; | ||
| import example.TestCheckMappings; | ||
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|
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| import org.hibernate.MappingException; | ||
| import org.hibernate.ScrollMode; | ||
| import org.hibernate.boot.MetadataSources; | ||
| import org.hibernate.boot.registry.StandardServiceRegistryBuilder; | ||
| import org.hibernate.boot.spi.MetadataImplementor; | ||
| import org.hibernate.cfg.Environment; | ||
| import org.hibernate.jpa.AvailableSettings; | ||
| import org.hibernate.tool.hbm2ddl.SchemaExport; | ||
| import org.hibernate.tool.schema.TargetType; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.EnumSet; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
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| import javax.persistence.Entity; | ||
| import javax.persistence.EntityManager; | ||
| import javax.persistence.EntityManagerFactory; | ||
| import javax.persistence.Persistence; | ||
|
|
||
| /** | ||
| * Supplier of Hibernate 5 Data Store. | ||
| */ | ||
| public class HibernateEntityManagerDataStoreHarness implements DataStoreTestHarness { | ||
| private static final String JDBC = "jdbc:h2:mem:root;IGNORECASE=TRUE"; | ||
| private static final String ROOT = "root"; | ||
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| private DataStore store; | ||
| private MetadataImplementor metadataImplementor; | ||
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| public HibernateEntityManagerDataStoreHarness() { | ||
| // Add additional checks to our static check mappings map. | ||
| // NOTE: This is a bit hacky. We need to do a major overhaul on our test architecture | ||
| TestCheckMappings.MAPPINGS.put("filterCheck", Filtered.FilterCheck.class); | ||
| TestCheckMappings.MAPPINGS.put("filterCheck3", Filtered.FilterCheck3.class); | ||
|
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| Map<String, Object> options = new HashMap<>(); | ||
| ArrayList<Class> bindClasses = new ArrayList<>(); | ||
|
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| try { | ||
| bindClasses.addAll(ClassScanner.getAnnotatedClasses(Parent.class.getPackage(), Entity.class)); | ||
| bindClasses.addAll(ClassScanner.getAnnotatedClasses(Manager.class.getPackage(), Entity.class)); | ||
| bindClasses.addAll(ClassScanner.getAnnotatedClasses(Invoice.class.getPackage(), Entity.class)); | ||
| } catch (MappingException e) { | ||
| throw new IllegalStateException(e); | ||
| } | ||
|
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| options.put("javax.persistence.jdbc.driver", "org.h2.Driver"); | ||
| options.put("javax.persistence.jdbc.url", JDBC); | ||
| options.put("javax.persistence.jdbc.user", ROOT); | ||
| options.put("javax.persistence.jdbc.password", ROOT); | ||
| options.put("hibernate.dialect", "org.hibernate.dialect.H2Dialect"); | ||
| options.put(AvailableSettings.LOADED_CLASSES, bindClasses); | ||
|
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| EntityManagerFactory emf = Persistence.createEntityManagerFactory("elide-tests", options); | ||
| EntityManager em = emf.createEntityManager(); | ||
|
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| // method to force class initialization | ||
| MetadataSources metadataSources = new MetadataSources( | ||
| new StandardServiceRegistryBuilder() | ||
| .configure("hibernate.cfg.xml") | ||
| .applySetting(Environment.CURRENT_SESSION_CONTEXT_CLASS, "thread") | ||
| .applySetting(Environment.URL, JDBC) | ||
| .applySetting(Environment.USER, ROOT) | ||
| .applySetting(Environment.PASS, ROOT) | ||
| .applySetting(Environment.DIALECT, "org.hibernate.dialect.H2Dialect") | ||
| .build()); | ||
|
|
||
| try { | ||
| ClassScanner.getAnnotatedClasses(Parent.class.getPackage(), Entity.class) | ||
| .forEach(metadataSources::addAnnotatedClass); | ||
| } catch (MappingException e) { | ||
| throw new IllegalStateException(e); | ||
| } | ||
|
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| metadataImplementor = (MetadataImplementor) metadataSources.buildMetadata(); | ||
|
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| EnumSet<TargetType> type = EnumSet.of(TargetType.DATABASE); | ||
| // create example tables from beans | ||
| SchemaExport schemaExport = new SchemaExport(); | ||
| schemaExport.drop(type, metadataImplementor); | ||
| schemaExport.execute(type, SchemaExport.Action.CREATE, metadataImplementor); | ||
|
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| if (!schemaExport.getExceptions().isEmpty()) { | ||
| throw new IllegalStateException(schemaExport.getExceptions().toString()); | ||
| } | ||
|
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| store = new AbstractHibernateStore.Builder(em) | ||
| .withScrollEnabled(true) | ||
| .withScrollMode(ScrollMode.FORWARD_ONLY) | ||
| .build(); | ||
| } | ||
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| private void resetSchema() { | ||
| EnumSet<TargetType> type = EnumSet.of(TargetType.DATABASE); | ||
| // create example tables from beans | ||
| SchemaExport schemaExport = new SchemaExport(); | ||
| schemaExport.drop(type, metadataImplementor); | ||
| schemaExport.execute(type, SchemaExport.Action.CREATE, metadataImplementor); | ||
|
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| if (!schemaExport.getExceptions().isEmpty()) { | ||
| throw new IllegalStateException(schemaExport.getExceptions().toString()); | ||
| } | ||
| } | ||
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| @Override | ||
| public DataStore getDataStore() { | ||
| return store; | ||
| } | ||
|
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| @Override | ||
| public void cleanseTestData() { | ||
| resetSchema(); | ||
| } | ||
| } |
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