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mmusgrovmmusgrov
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JBTM-4014-perf-test draft
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‎narayana/pom.xml‎

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@@ -87,6 +87,7 @@
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<module>ArjunaJTS/jts</module>
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<module>ArjunaJTA/jta</module>
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<module>ArjunaCore/arjuna</module>
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<module>stm</module>
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<module>tools</module>
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</modules>
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</dependency>
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</dependencies>
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</dependencyManagement>
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</project>
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</project>

‎narayana/stm/README.md‎

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mvn clean package
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java -jar target/benchmarks.jar
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I created 3 benchmarks (see https://github.com/jbosstm/performance/pull/185):
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LocalJTABenchmark.benchmark: starts a JTA txn and enlists a single XAResource and commits
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STMBenchmark.baseLineBenchmark: adds two integers together
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STMBenchmark.benchmark: starts an AtomicAction and increments and decrements two integers backed by transaction memory
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I ran the benchmarks three times taking the best result from each.
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Comparing the the % difference between the pr/2414 and main branches I found that
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LocalJTABenchmark.benchmark: pr/2414 is 10% better
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STMBenchmark.baseLineBenchmark pr/2414 is 0.2% worse
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STMBenchmark.benchmark: pr/2414 is 0.25% worse
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So if the LocalJTABenchmark result is repeatable then I think 10% gain is significant.
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‎narayana/stm/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.jboss.narayana.stm</groupId>
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<artifactId>stm-benchmark</artifactId>
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<version>7.3.1.Final-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>JMH benchmarks: stm vs local jta</name>
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<dependencies>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.jboss.narayana.arjunacore</groupId>
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<artifactId>arjunacore</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jboss.narayana.jta</groupId>
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<artifactId>jta</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jboss.narayana.stm</groupId>
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<artifactId>stm</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>jakarta.transaction</groupId>
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<artifactId>jakarta.transaction-api</artifactId>
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<version>2.0.1</version>
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</dependency>
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<dependency>
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<groupId>org.jboss</groupId>
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<artifactId>jboss-transaction-spi</artifactId>
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<version>7.6.1.Final</version>
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<exclusions>
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<exclusion>
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<groupId>org.jboss.logging</groupId>
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<artifactId>jboss-logging-spi</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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</dependencies>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<jmh.version>1.37</jmh.version>
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<javac.target>1.8</javac.target>
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<uberjar.name>benchmarks</uberjar.name>
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</properties>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.0</version>
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<configuration>
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<compilerVersion>${javac.target}</compilerVersion>
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<source>${javac.target}</source>
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<target>${javac.target}</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.2.1</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<finalName>${uberjar.name}</finalName>
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<transformers>
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<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<mainClass>org.openjdk.jmh.Main</mainClass>
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</transformer>
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<transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
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</transformers>
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<filters>
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<filter>
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<!--
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Shading signed JARs will fail without this.
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http://stackoverflow.com/questions/999489/invalid-signature-file-when-attempting-to-run-a-jar
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-->
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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<pluginManagement>
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<plugins>
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<plugin>
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<artifactId>maven-clean-plugin</artifactId>
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<version>2.5</version>
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</plugin>
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<plugin>
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<artifactId>maven-deploy-plugin</artifactId>
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<version>2.8.1</version>
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</plugin>
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<plugin>
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<artifactId>maven-install-plugin</artifactId>
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<version>2.5.1</version>
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</plugin>
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<plugin>
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<artifactId>maven-jar-plugin</artifactId>
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<version>2.4</version>
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</plugin>
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<plugin>
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<artifactId>maven-javadoc-plugin</artifactId>
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<version>2.9.1</version>
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</plugin>
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<plugin>
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<artifactId>maven-resources-plugin</artifactId>
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<version>2.6</version>
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</plugin>
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<plugin>
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<artifactId>maven-site-plugin</artifactId>
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<version>3.3</version>
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</plugin>
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<plugin>
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<artifactId>maven-source-plugin</artifactId>
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<version>2.2.1</version>
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</plugin>
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<plugin>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>2.17</version>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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</project>

‎narayana/stm/src/main/java/org/jboss/narayana/stm/DummyXA.java‎

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/*
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Copyright The Narayana Authors
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SPDX-License-Identifier: Apache-2.0
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*/
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package org.jboss.narayana.stm;
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import javax.transaction.xa.XAException;
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import javax.transaction.xa.XAResource;
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import javax.transaction.xa.Xid;
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import java.io.Serializable;
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/*
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* Currently XAResources must be serializable so we can
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* recreate them in the event of a failure. It is likely
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* that other mechanisms will be added later to remove
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* this necessity, although serialization will still be
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* supported.
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*/
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public class DummyXA implements XAResource, Serializable
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{
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private static final long serialVersionUID = -2285367224867593569L;
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public DummyXA(boolean print)
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{
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_timeout = 0; // no timeout
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_print = print;
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}
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public void commit (Xid xid, boolean onePhase) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.commit called");
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}
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public void end (Xid xid, int flags) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.end called");
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}
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public void forget (Xid xid) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.forget called");
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}
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public int getTransactionTimeout () throws XAException
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{
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if (_print)
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System.out.println("DummyXA.getTransactionTimeout called");
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return _timeout;
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}
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public int prepare (Xid xid) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.prepare called");
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return XAResource.XA_OK;
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}
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public Xid[] recover (int flag) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.recover called");
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return null;
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}
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public void rollback (Xid xid) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.rollback called");
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}
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public boolean setTransactionTimeout (int seconds) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.setTransactionTimeout called");
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_timeout = seconds;
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return true;
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}
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public void start (Xid xid, int flags) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.start called");
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}
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public boolean isSameRM (XAResource xares) throws XAException
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{
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if (_print)
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System.out.println("DummyXA.isSameRM called");
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return (xares == this);
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}
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private int _timeout;
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private boolean _print;
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}

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