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HBX-2964: Resolve the project class path and execute the exporters using that class path in the reverse engineering Maven mojos #5025

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merged 1 commit into from
Mar 4, 2025
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HBX-2964: Resolve the project class path and execute the exporters using that class path in the reverse engineering Maven mojos #5025

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6 changes: 6 additions & 0 deletions maven/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@

<maven-plugin-annotations.version>3.5</maven-plugin-annotations.version>
<maven-plugin-api.version>3.5.2</maven-plugin-api.version>
<maven-core.version>3.9.9</maven-core.version>

<!-- Plugin versions -->
<maven-project-info-reports-plugin.version>2.9</maven-project-info-reports-plugin.version>
Expand All @@ -93,6 +94,11 @@
<artifactId>maven-plugin-api</artifactId>
<version>${maven-plugin-api.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-core</artifactId>
<version>${maven-core.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven.plugin-tools</groupId>
<artifactId>maven-plugin-annotations</artifactId>
Expand Down
45 changes: 37 additions & 8 deletions maven/src/main/java/org/hibernate/tool/maven/AbstractGenerationMojo.java
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Expand Up @@ -23,10 +23,18 @@
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Properties;

import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.apache.tools.ant.BuildException;
import org.hibernate.tool.api.metadata.MetadataDescriptor;
import org.hibernate.tool.api.metadata.MetadataDescriptorFactory;
Expand Down Expand Up @@ -83,15 +91,24 @@ public abstract class AbstractGenerationMojo extends AbstractMojo {
// Not exposed for now
private boolean preferBasicCompositeIds = true;

@Parameter(defaultValue = "${project}", readonly = true, required = true)
private MavenProject project;

public void execute() {
getLog().info("Starting " + this.getClass().getSimpleName() + "...");
RevengStrategy strategy = setupReverseEngineeringStrategy();
if (propertyFile.exists()) {
executeExporter(createJdbcDescriptor(strategy, loadPropertiesFile()));
} else {
getLog().info("Property file '" + propertyFile + "' cannot be found, aborting...");
}
getLog().info("Finished " + this.getClass().getSimpleName() + "!");
ClassLoader original = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(createExporterClassLoader(original));
getLog().info("Starting " + this.getClass().getSimpleName() + "...");
RevengStrategy strategy = setupReverseEngineeringStrategy();
if (propertyFile.exists()) {
executeExporter(createJdbcDescriptor(strategy, loadPropertiesFile()));
} else {
getLog().info("Property file '" + propertyFile + "' cannot be found, aborting...");
}
getLog().info("Finished " + this.getClass().getSimpleName() + "!");
} finally {
Thread.currentThread().setContextClassLoader(original);
}
}

private RevengStrategy setupReverseEngineeringStrategy() {
Expand Down Expand Up @@ -134,6 +151,18 @@ private MetadataDescriptor createJdbcDescriptor(RevengStrategy strategy, Propert
strategy,
properties);
}

private ClassLoader createExporterClassLoader(ClassLoader parent) {
ArrayList<URL> urls = new ArrayList<URL>();
try {
for (String cpe : project.getRuntimeClasspathElements()) {
urls.add(new File(cpe).toURI().toURL());
}
} catch (DependencyResolutionRequiredException | MalformedURLException e) {
throw new RuntimeException("Problem while constructing project classloader", e);
}
return new URLClassLoader(urls.toArray(new URL[0]), parent);
}

protected abstract void executeExporter(MetadataDescriptor metadataDescriptor);
}
6 changes: 5 additions & 1 deletion maven/src/main/java/org/hibernate/tool/maven/GenerateDaoMojo.java
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Expand Up @@ -21,6 +21,7 @@

import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.hibernate.tool.api.export.Exporter;
import org.hibernate.tool.api.export.ExporterConstants;
import org.hibernate.tool.api.export.ExporterFactory;
Expand All @@ -36,7 +37,10 @@
* <p>
* See: https://docs.jboss.org/tools/latest/en/hibernatetools/html_single/#d0e4821
*/
@Mojo(name = "hbm2dao", defaultPhase = GENERATE_SOURCES)
@Mojo(
name = "hbm2dao",
defaultPhase = GENERATE_SOURCES,
requiresDependencyResolution = ResolutionScope.RUNTIME)
public class GenerateDaoMojo extends AbstractGenerationMojo {

/** The directory into which the DAOs will be generated. */
Expand Down
6 changes: 5 additions & 1 deletion maven/src/main/java/org/hibernate/tool/maven/GenerateDdlMojo.java
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Expand Up @@ -21,6 +21,7 @@

import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.hibernate.boot.Metadata;
import org.hibernate.tool.api.metadata.MetadataDescriptor;
import org.hibernate.tool.hbm2ddl.SchemaExport;
Expand All @@ -37,7 +38,10 @@
* <p>
* See https://docs.jboss.org/tools/latest/en/hibernatetools/html_single/#d0e4651
*/
@Mojo(name = "hbm2ddl", defaultPhase = GENERATE_RESOURCES)
@Mojo(
name = "hbm2ddl",
defaultPhase = GENERATE_RESOURCES,
requiresDependencyResolution = ResolutionScope.RUNTIME)
public class GenerateDdlMojo extends AbstractGenerationMojo {

/** The directory into which the DDLs will be generated. */
Expand Down
6 changes: 5 additions & 1 deletion maven/src/main/java/org/hibernate/tool/maven/GenerateHbmMojo.java
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Expand Up @@ -21,6 +21,7 @@

import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.hibernate.tool.api.export.Exporter;
import org.hibernate.tool.api.export.ExporterConstants;
import org.hibernate.tool.api.export.ExporterFactory;
Expand All @@ -36,7 +37,10 @@
* <p>
* See: https://docs.jboss.org/tools/latest/en/hibernatetools/html_single/#d0e4821
*/
@Mojo(name = "generateHbm", defaultPhase = GENERATE_SOURCES)
@Mojo(
name = "generateHbm",
defaultPhase = GENERATE_SOURCES,
requiresDependencyResolution = ResolutionScope.RUNTIME)
public class GenerateHbmMojo extends AbstractGenerationMojo {

/** The directory into which the DAOs will be generated. */
Expand Down
8 changes: 7 additions & 1 deletion maven/src/main/java/org/hibernate/tool/maven/GenerateJavaMojo.java
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Expand Up @@ -25,6 +25,7 @@

import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.hibernate.tool.api.export.Exporter;
import org.hibernate.tool.api.export.ExporterConstants;
import org.hibernate.tool.api.export.ExporterFactory;
Expand All @@ -36,7 +37,10 @@
* <p>
* See: https://docs.jboss.org/tools/latest/en/hibernatetools/html_single/#d0e4821
*/
@Mojo(name = "hbm2java", defaultPhase = GENERATE_SOURCES)
@Mojo(
name = "hbm2java",
defaultPhase = GENERATE_SOURCES,
requiresDependencyResolution = ResolutionScope.RUNTIME)
public class GenerateJavaMojo extends AbstractGenerationMojo {

/** The directory into which the JPA entities will be generated. */
Expand Down Expand Up @@ -69,6 +73,8 @@ protected void executeExporter(MetadataDescriptor metadataDescriptor) {
getLog().info("Starting POJO export to directory: " + outputDirectory + "...");
pojoExporter.start();
}




}