initial commit

test/.gitignore

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+/target

test/Dockerfile

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+FROM openjdk:11
+
+ARG version
+ADD target/test-test-${version}.jar /test-test.jar
+ENTRYPOINT ["java", "-jar", "/test-test.jar"]

test/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>test</groupId>
+        <artifactId>parent</artifactId>
+        <version>${revision}${sha1}${changelist}</version>
+    </parent>
+
+    <artifactId>test-test</artifactId>
+
+    <properties>
+        <main.class>test.TestApp</main.class>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>test</groupId>
+            <artifactId>test-model</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.bootique.cayenne</groupId>
+            <artifactId>bootique-cayenne</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.bootique.agrest</groupId>
+            <artifactId>bootique-agrest</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.agrest</groupId>
+            <artifactId>agrest-engine</artifactId>
+            <version>4.7</version>
+        </dependency>
+        <dependency>
+            <groupId>io.bootique.jdbc</groupId>
+            <artifactId>bootique-jdbc-hikaricp</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.bootique.logback</groupId>
+            <artifactId>bootique-logback</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

test/src/main/java/test/FailCommand.java

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+package test;
+
+import io.bootique.cli.Cli;
+import io.bootique.command.CommandOutcome;
+import io.bootique.command.CommandWithMetadata;
+import io.bootique.meta.application.CommandMetadata;
+import org.apache.cayenne.ObjectContext;
+import org.apache.cayenne.configuration.server.ServerRuntime;
+
+import javax.inject.Inject;
+import javax.inject.Provider;
+
+public class FailCommand extends CommandWithMetadata {
+
+    @Inject
+    private Provider<ServerRuntime> cayenneRuntimeProvider;
+
+    @Inject
+    public FailCommand(CommandMetadata.Builder metadataBuilder) {
+        super(metadataBuilder
+                .name("fail")
+                .description("Demo of a possible issue with Cayenne.")
+                .build()
+        );
+    }
+
+    @Override
+    public CommandOutcome run(Cli cli) {
+        ObjectContext context = cayenneRuntimeProvider.get().newContext();
+        TestCase.runTest(context, true);
+        return CommandOutcome.succeeded();
+    }
+}

test/src/main/java/test/HappyCommand.java

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+package test;
+
+import io.bootique.cli.Cli;
+import io.bootique.command.CommandOutcome;
+import io.bootique.command.CommandWithMetadata;
+import io.bootique.meta.application.CommandMetadata;
+import org.apache.cayenne.ObjectContext;
+import org.apache.cayenne.configuration.server.ServerRuntime;
+
+import javax.inject.Inject;
+import javax.inject.Provider;
+
+public class HappyCommand extends CommandWithMetadata {
+    @Inject
+    private Provider<ServerRuntime> cayenneRuntimeProvider;
+
+    @Inject
+    public HappyCommand(CommandMetadata.Builder metadataBuilder) {
+        super(metadataBuilder
+                .name("happy")
+                .description("Demo of a possible issue with Cayenne. This command shows a workaround.")
+                .build()
+        );
+    }
+
+    @Override
+    public CommandOutcome run(Cli cli) {
+        ObjectContext context = cayenneRuntimeProvider.get().newContext();
+        TestCase.runTest(context, false);
+        return CommandOutcome.succeeded();
+    }
+}

test/src/main/java/test/TestApp.java

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+package test;
+
+import io.bootique.BQCoreModule;
+import io.bootique.BaseModule;
+import io.bootique.Bootique;
+import io.bootique.di.Binder;
+import io.bootique.meta.application.OptionMetadata;
+
+public class TestApp extends BaseModule {
+
+    public static void main(String[] args) {
+        Bootique.app(args)
+                .autoLoadModules()
+                .exec()
+                .exit();
+    }
+
+    @Override
+    public void configure(Binder binder) {
+        BQCoreModule.extend(binder)
+                .addConfig("classpath:test/default.yaml")
+                .addCommand(FailCommand.class)
+                .addCommand(HappyCommand.class)
+
+                // --local
+                .addOption(OptionMetadata.builder("local", "Load configuration for local environment.").build())
+                .mapConfigResource("local", "classpath:test/local.yaml")
+
+        ;
+    }
+}

test/src/main/java/test/TestAppProvider.java

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+package test;
+
+import io.bootique.BQModuleProvider;
+
+public class TestAppProvider implements BQModuleProvider {
+
+    public TestAppProvider() {}
+
+    @Override
+    public TestApp module() {
+        return new TestApp();
+    }
+}

test/src/main/java/test/TestCase.java

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+package test;
+
+import org.apache.cayenne.ObjectContext;
+import test.cayenne.E1;
+import test.cayenne.E2;
+
+public class TestCase {
+
+    public static void runTest (ObjectContext context, boolean doFail) {
+        for (int i=100; i<110; ++i) {
+            E1 e1 = context.newObject(E1.class);
+            E2 e2 = context.newObject(E2.class);
+
+            e1.setText("e1 #" + i);
+            e2.setText("e2 #" + i);
+
+            // executing this commit seems to
+            // mitigate the issue
+
+            if (!doFail) {
+                context.commitChanges();
+            }
+
+            e1.setE2(e2);
+            e2.setE1(e1);
+
+            context.commitChanges();
+        }
+    }
+}

test/src/main/resources/META-INF/services/io.bootique.BQModuleProvider

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+test.TestAppProvider

test/src/main/resources/test/default.yaml

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+# JDBC config
+jdbc:
+  test:
+    driverClassName: com.mysql.cj.jdbc.Driver
+    jdbcUrl: "jdbc:mysql://db:3306/test?connectTimeout=0&autoReconnect=true&useUnicode=true&characterEncoding=UTF-8"
+    username: root
+    password: test
+    minimumIdle: 1
+    maximumPoolSize: 20
+    connectionTestQuery: "select 1"
+    autoCommit: false
+
+cayenne:
+  configs:
+    - test/cayenne-test.xml
+  datasource: test
+
+log:
+  level: debug
+  appenders:
+    - type: console
+      logFormat: '[%d{"dd/MMM/yyyy:HH:mm:ss,SSS"}] %t %X %-5p %c{1}: %m%n%ex'

test/src/main/resources/test/local.yaml

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+jdbc:
+  test:
+    jdbcUrl: "jdbc:mysql://localhost:33006/test?connectTimeout=0&autoReconnect=true&useUnicode=true&characterEncoding=UTF-8"