Author: matthieu
Date: Thu Oct 29 14:12:12 2015
New Revision: 1711263
URL: http://svn.apache.org/viewvc?rev=1711263&view=rev
Log:
JAMES-1588 Creating cassandra project
Added:
james/project/trunk/backends-common/cassandra/
james/project/trunk/backends-common/cassandra/pom.xml
james/project/trunk/backends-common/cassandra/src/
james/project/trunk/backends-common/cassandra/src/main/
james/project/trunk/backends-common/cassandra/src/main/java/
james/project/trunk/backends-common/cassandra/src/main/java/org/
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraConstants.java
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraUtils.java
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetry.java
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/LightweightTransactionException.java
james/project/trunk/backends-common/cassandra/src/test/
james/project/trunk/backends-common/cassandra/src/test/java/
james/project/trunk/backends-common/cassandra/src/test/java/org/
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/cassandra/
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/cassandra/utils/
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetryTest.java
Added: james/project/trunk/backends-common/cassandra/pom.xml
URL:
http://svn.apache.org/viewvc/james/project/trunk/backends-common/cassandra/pom.xml?rev=1711263&view=auto
==============================================================================
--- james/project/trunk/backends-common/cassandra/pom.xml (added)
+++ james/project/trunk/backends-common/cassandra/pom.xml Thu Oct 29 14:12:12
2015
@@ -0,0 +1,200 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
+<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>
+ <artifactId>james-backends-common</artifactId>
+ <groupId>org.apache.james</groupId>
+ <version>1.8.3-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>apache-james-backends-cassandra</artifactId>
+ <name>Apache James Cassandra backend</name>
+
+ <profiles>
+ <profile>
+ <id>disable-build-for-older-jdk</id>
+ <activation>
+ <jdk>(,1.8)</jdk>
+ </activation>
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-jar-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>default-jar</id>
+ <phase>none</phase>
+ </execution>
+ <execution>
+ <id>jar</id>
+ <phase>none</phase>
+ </execution>
+ <execution>
+ <id>test-jar</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>default-compile</id>
+ <phase>none</phase>
+ </execution>
+ <execution>
+ <id>default-testCompile</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <artifactId>maven-surefire-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>default-test</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <artifactId>maven-source-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>attach-sources</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <artifactId>maven-install-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>default-install</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <artifactId>maven-resources-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>default-resources</id>
+ <phase>none</phase>
+ </execution>
+ <execution>
+ <id>default-testResources</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <artifactId>maven-site-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>attach-descriptor</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+ <profile>
+ <id>build-for-jdk-8</id>
+ <activation>
+ <jdk>[1.8,)</jdk>
+ </activation>
+ <dependencies>
+ <dependency>
+ <groupId>com.datastax.cassandra</groupId>
+ <artifactId>cassandra-driver-core</artifactId>
+ <version>2.1.7</version>
+ </dependency>
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.assertj</groupId>
+ <artifactId>assertj-core</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.cassandraunit</groupId>
+ <artifactId>cassandra-unit</artifactId>
+ <version>2.0.2.2</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-assembly-plugin</artifactId>
+ <configuration>
+ <archive>
+ <manifest>
+
<mainClass>fully.qualified.MainClass</mainClass>
+ </manifest>
+ </archive>
+ <descriptorRefs>
+
<descriptorRef>jar-with-dependencies</descriptorRef>
+ </descriptorRefs>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+ <profile>
+ <id>disable-animal-sniffer</id>
+ <activation>
+ <jdk>[1.6,)</jdk>
+ </activation>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>animal-sniffer-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>check_java_6</id>
+ <phase>none</phase>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+ </profiles>
+
+
+</project>
Added:
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraConstants.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraConstants.java?rev=1711263&view=auto
==============================================================================
---
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraConstants.java
(added)
+++
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraConstants.java
Thu Oct 29 14:12:12 2015
@@ -0,0 +1,24 @@
+/****************************************************************
+ * 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.james.backends.cassandra.utils;
+
+public interface CassandraConstants {
+ int LIGHTWEIGHT_TRANSACTION_APPLIED = 0;
+}
Added:
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraUtils.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraUtils.java?rev=1711263&view=auto
==============================================================================
---
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraUtils.java
(added)
+++
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/CassandraUtils.java
Thu Oct 29 14:12:12 2015
@@ -0,0 +1,33 @@
+/****************************************************************
+ * 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.james.backends.cassandra.utils;
+
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Row;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
+
+public class CassandraUtils {
+
+ public static Stream<Row> convertToStream(ResultSet resultSet) {
+ return StreamSupport.stream(resultSet.spliterator(), true);
+ }
+
+}
Added:
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetry.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetry.java?rev=1711263&view=auto
==============================================================================
---
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetry.java
(added)
+++
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetry.java
Thu Oct 29 14:12:12 2015
@@ -0,0 +1,57 @@
+/****************************************************************
+ * 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.james.backends.cassandra.utils;
+
+import com.google.common.base.Preconditions;
+
+import java.util.Optional;
+import java.util.function.BooleanSupplier;
+import java.util.stream.IntStream;
+
+public class FunctionRunnerWithRetry {
+
+ @FunctionalInterface
+ public interface OptionalSupplier<T> {
+ Optional<T> getAsOptional();
+ }
+
+ private final int maxRetry;
+
+ public FunctionRunnerWithRetry(int maxRetry) {
+ Preconditions.checkArgument(maxRetry > 0);
+ this.maxRetry = maxRetry;
+ }
+
+ public void execute(BooleanSupplier functionNotifyingSuccess) throws
LightweightTransactionException {
+ IntStream.range(0, maxRetry)
+ .filter((x) -> functionNotifyingSuccess.getAsBoolean())
+ .findFirst()
+ .orElseThrow(() -> new LightweightTransactionException(maxRetry));
+ }
+
+ public <T> T executeAndRetrieveObject(OptionalSupplier<T>
functionNotifyingSuccess) throws LightweightTransactionException {
+ return IntStream.range(0, maxRetry)
+ .mapToObj((x) -> functionNotifyingSuccess.getAsOptional())
+ .filter(Optional::isPresent)
+ .findFirst()
+ .orElseThrow(() -> new LightweightTransactionException(maxRetry))
+ .get();
+ }
+}
Added:
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/LightweightTransactionException.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/LightweightTransactionException.java?rev=1711263&view=auto
==============================================================================
---
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/LightweightTransactionException.java
(added)
+++
james/project/trunk/backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/utils/LightweightTransactionException.java
Thu Oct 29 14:12:12 2015
@@ -0,0 +1,35 @@
+/****************************************************************
+ * 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.james.backends.cassandra.utils;
+
+public class LightweightTransactionException extends Exception {
+
+ public LightweightTransactionException(int retries) {
+ super(createMessage(retries));
+ }
+
+ public LightweightTransactionException(int retries, Throwable throwable) {
+ super(createMessage(retries), throwable);
+ }
+
+ private static String createMessage(int retries) {
+ return "Can not execute Optional Supplier. " + retries + " retries.";
+ }
+}
Added:
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetryTest.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetryTest.java?rev=1711263&view=auto
==============================================================================
---
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetryTest.java
(added)
+++
james/project/trunk/backends-common/cassandra/src/test/java/org/apache/james/backends/cassandra/utils/FunctionRunnerWithRetryTest.java
Thu Oct 29 14:12:12 2015
@@ -0,0 +1,84 @@
+/****************************************************************
+ * 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.james.backends.cassandra.utils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.apache.commons.lang.mutable.MutableInt;
+import org.junit.Test;
+
+public class FunctionRunnerWithRetryTest {
+
+ private final static int MAX_RETRY = 10;
+
+ @Test(expected = IllegalArgumentException.class)
+ public void functionRunnerWithInvalidMaxRetryShouldFail() throws Exception
{
+ new FunctionRunnerWithRetry(-1);
+ }
+
+ @Test(expected = LightweightTransactionException.class)
+ public void functionRunnerShouldFailIfTransactionCanNotBePerformed()
throws Exception {
+ final MutableInt value = new MutableInt(0);
+ new FunctionRunnerWithRetry(MAX_RETRY).execute(
+ () -> {
+ value.increment();
+ return false;
+ }
+ );
+ assertThat(value.getValue()).isEqualTo(MAX_RETRY);
+ }
+
+ @Test
+ public void functionRunnerShouldWorkOnFirstTry() throws Exception {
+ final MutableInt value = new MutableInt(0);
+ new FunctionRunnerWithRetry(MAX_RETRY).execute(
+ () -> {
+ value.increment();
+ return true;
+ }
+ );
+ assertThat(value.getValue()).isEqualTo(1);
+ }
+
+ @Test
+ public void functionRunnerShouldWorkIfNotSucceededOnFirstTry() throws
Exception {
+ final MutableInt value = new MutableInt(0);
+ new FunctionRunnerWithRetry(MAX_RETRY).execute(
+ () -> {
+ value.increment();
+ return (Integer) value.getValue() == MAX_RETRY / 2;
+ }
+ );
+ assertThat(value.getValue()).isEqualTo(MAX_RETRY / 2);
+ }
+
+ @Test
+ public void functionRunnerShouldWorkIfNotSucceededOnMaxRetryReached()
throws Exception {
+ final MutableInt value = new MutableInt(0);
+ new FunctionRunnerWithRetry(MAX_RETRY).execute(
+ () -> {
+ value.increment();
+ return (Integer) value.getValue() == MAX_RETRY;
+ }
+ );
+ assertThat(value.getValue()).isEqualTo(MAX_RETRY);
+ }
+
+}
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