JAMES-1925 Introduce CassandraMailboxDAO and its tests

Project: http://git-wip-us.apache.org/repos/asf/james-project/repo
Commit: http://git-wip-us.apache.org/repos/asf/james-project/commit/6cee1367
Tree: http://git-wip-us.apache.org/repos/asf/james-project/tree/6cee1367
Diff: http://git-wip-us.apache.org/repos/asf/james-project/diff/6cee1367

Branch: refs/heads/master
Commit: 6cee1367fc90eea000fd77013e91891feaf3d5c3
Parents: 3c2dc46
Author: Benoit Tellier <[email protected]>
Authored: Tue Feb 14 11:23:00 2017 +0700
Committer: Antoine Duprat <[email protected]>
Committed: Wed Feb 15 13:12:38 2017 +0100

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 .../cassandra/mail/CassandraMailboxDAO.java     | 186 +++++++++++++++++++
 .../mail/utils/MailboxBaseTupleUtil.java        |  40 ++++
 .../cassandra/mail/CassandraMailboxDAOTest.java | 169 +++++++++++++++++
 3 files changed, 395 insertions(+)
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http://git-wip-us.apache.org/repos/asf/james-project/blob/6cee1367/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAO.java
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diff --git 
a/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAO.java
 
b/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAO.java
new file mode 100644
index 0000000..8b5868a
--- /dev/null
+++ 
b/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAO.java
@@ -0,0 +1,186 @@
+/****************************************************************
+ * 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.mailbox.cassandra.mail;
+
+import static com.datastax.driver.core.querybuilder.QueryBuilder.bindMarker;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.eq;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.insertInto;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.select;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.set;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.update;
+import static 
org.apache.james.mailbox.cassandra.table.CassandraMailboxTable.FIELDS;
+import static 
org.apache.james.mailbox.cassandra.table.CassandraMailboxTable.ID;
+import static 
org.apache.james.mailbox.cassandra.table.CassandraMailboxTable.MAILBOX_BASE;
+import static 
org.apache.james.mailbox.cassandra.table.CassandraMailboxTable.NAME;
+import static 
org.apache.james.mailbox.cassandra.table.CassandraMailboxTable.PATH;
+import static 
org.apache.james.mailbox.cassandra.table.CassandraMailboxTable.TABLE_NAME;
+import static 
org.apache.james.mailbox.cassandra.table.CassandraMailboxTable.UIDVALIDITY;
+
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
+import java.util.stream.Stream;
+
+import org.apache.james.backends.cassandra.init.CassandraTypesProvider;
+import org.apache.james.backends.cassandra.utils.CassandraAsyncExecutor;
+import org.apache.james.backends.cassandra.utils.CassandraUtils;
+import org.apache.james.mailbox.cassandra.CassandraId;
+import org.apache.james.mailbox.cassandra.mail.utils.MailboxBaseTupleUtil;
+import org.apache.james.mailbox.cassandra.table.CassandraMailboxTable;
+import org.apache.james.mailbox.model.MailboxACL;
+import org.apache.james.mailbox.model.MailboxPath;
+import org.apache.james.mailbox.store.mail.model.Mailbox;
+import org.apache.james.mailbox.store.mail.model.impl.SimpleMailbox;
+import org.apache.james.util.CompletableFutureUtil;
+
+import com.datastax.driver.core.PreparedStatement;
+import com.datastax.driver.core.Row;
+import com.datastax.driver.core.Session;
+import com.datastax.driver.core.querybuilder.QueryBuilder;
+
+public class CassandraMailboxDAO {
+
+    private final CassandraAsyncExecutor executor;
+    private final MailboxBaseTupleUtil mailboxBaseTupleUtil;
+    private final Session session;
+    private final int maxAclRetry;
+    private final PreparedStatement readStatement;
+    private final PreparedStatement listStatement;
+    private final PreparedStatement deleteStatement;
+    private final PreparedStatement insertStatement;
+    private final PreparedStatement updateStatement;
+
+    public CassandraMailboxDAO(Session session, CassandraTypesProvider 
typesProvider, int maxAclRetry) {
+        this.executor = new CassandraAsyncExecutor(session);
+        this.mailboxBaseTupleUtil = new MailboxBaseTupleUtil(typesProvider);
+        this.session = session;
+        this.insertStatement = prepareInsert(session);
+        this.updateStatement = prepareUpdate(session);
+        this.deleteStatement = prepareDelete(session);
+        this.listStatement = prepareList(session);
+        this.readStatement = prepareRead(session);
+        this.maxAclRetry = maxAclRetry;
+    }
+
+    private PreparedStatement prepareInsert(Session session) {
+        return session.prepare(insertInto(TABLE_NAME)
+            .value(ID, bindMarker(ID))
+            .value(NAME, bindMarker(NAME))
+            .value(UIDVALIDITY, bindMarker(UIDVALIDITY))
+            .value(MAILBOX_BASE, bindMarker(MAILBOX_BASE))
+            .value(PATH, bindMarker(PATH)));
+    }
+
+    private PreparedStatement prepareUpdate(Session session) {
+        return session.prepare(update(TABLE_NAME)
+            .with(set(MAILBOX_BASE, bindMarker(MAILBOX_BASE)))
+            .and(set(NAME, bindMarker(NAME)))
+            .and(set(PATH, bindMarker(PATH)))
+            .where(eq(ID, bindMarker(ID))));
+    }
+
+    private PreparedStatement prepareDelete(Session session) {
+        return session.prepare(QueryBuilder.delete()
+            .from(TABLE_NAME)
+            .where(eq(ID, bindMarker(ID))));
+    }
+
+    private PreparedStatement prepareList(Session session) {
+        return session.prepare(select(FIELDS).from(TABLE_NAME));
+    }
+
+    private PreparedStatement prepareRead(Session session) {
+        return session.prepare(select(FIELDS).from(TABLE_NAME)
+            .where(eq(ID, bindMarker(ID))));
+    }
+
+    public CompletableFuture<Void> save(Mailbox mailbox) {
+        CassandraId cassandraId = (CassandraId) mailbox.getMailboxId();
+        return executor.executeVoid(insertStatement.bind()
+            .setUUID(ID, cassandraId.asUuid())
+            .setString(NAME, mailbox.getName())
+            .setLong(UIDVALIDITY, mailbox.getUidValidity())
+            .setUDTValue(MAILBOX_BASE, 
mailboxBaseTupleUtil.createMailboxBaseUDT(mailbox.getNamespace(), 
mailbox.getUser()))
+            .setString(PATH, mailbox.generateAssociatedPath().asString()));
+    }
+
+    public CompletableFuture<Void> updatePath(CassandraId mailboxId, 
MailboxPath mailboxPath) {
+        return executor.executeVoid(updateStatement.bind()
+            .setUUID(ID, mailboxId.asUuid())
+            .setString(PATH, mailboxPath.asString())
+            .setString(NAME, mailboxPath.getName())
+            .setUDTValue(MAILBOX_BASE, 
mailboxBaseTupleUtil.createMailboxBaseUDT(mailboxPath.getNamespace(), 
mailboxPath.getUser())));
+    }
+
+    public CompletableFuture<Void> delete(CassandraId mailboxId) {
+        return executor.executeVoid(deleteStatement.bind()
+            .setUUID(ID, mailboxId.asUuid()));
+    }
+
+    public CompletableFuture<Optional<SimpleMailbox>> 
retrieveMailbox(CassandraId mailboxId) {
+        return mailbox(mailboxId,
+            executor.executeSingleRow(readStatement.bind()
+                .setUUID(ID, mailboxId.asUuid())));
+    }
+
+    private CompletableFuture<Optional<SimpleMailbox>> mailbox(CassandraId 
cassandraId, CompletableFuture<Optional<Row>> rowFuture) {
+        CompletableFuture<MailboxACL> aclCompletableFuture = new 
CassandraACLMapper(cassandraId, session, maxAclRetry).getACL();
+        return rowFuture.thenApply(rowOptional -> 
rowOptional.map(this::mailboxFromRow))
+            .thenApply(mailboxOptional -> {
+                mailboxOptional.ifPresent(mailbox -> 
mailbox.setMailboxId(cassandraId));
+                return mailboxOptional;
+            })
+            .thenCompose(mailboxOptional -> aclCompletableFuture.thenApply(acl 
-> {
+                mailboxOptional.ifPresent(mailbox -> mailbox.setACL(acl));
+                return mailboxOptional;
+            }));
+    }
+
+    private SimpleMailbox mailboxFromRow(Row row) {
+        return new SimpleMailbox(
+            new MailboxPath(
+                
row.getUDTValue(MAILBOX_BASE).getString(CassandraMailboxTable.MailboxBase.NAMESPACE),
+                
row.getUDTValue(MAILBOX_BASE).getString(CassandraMailboxTable.MailboxBase.USER),
+                row.getString(NAME)),
+            row.getLong(UIDVALIDITY));
+    }
+
+    public CompletableFuture<Stream<SimpleMailbox>> retrieveAllMailboxes() {
+        return executor.execute(listStatement.bind())
+            .thenApply(CassandraUtils::convertToStream)
+            .thenApply(stream -> stream.map(this::toMailboxWithId))
+            .thenCompose(stream -> 
CompletableFutureUtil.allOf(stream.map(this::toMailboxWithAclFuture)));
+    }
+
+    private SimpleMailbox toMailboxWithId(Row row) {
+        SimpleMailbox mailbox = mailboxFromRow(row);
+        mailbox.setMailboxId(CassandraId.of(row.getUUID(ID)));
+        return mailbox;
+    }
+
+    private CompletableFuture<SimpleMailbox> 
toMailboxWithAclFuture(SimpleMailbox mailbox) {
+        CassandraId cassandraId = (CassandraId) mailbox.getMailboxId();
+        return new CassandraACLMapper(cassandraId, session, 
maxAclRetry).getACL()
+            .thenApply(acl -> {
+                mailbox.setACL(acl);
+                return mailbox;
+            });
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/james-project/blob/6cee1367/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/utils/MailboxBaseTupleUtil.java
----------------------------------------------------------------------
diff --git 
a/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/utils/MailboxBaseTupleUtil.java
 
b/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/utils/MailboxBaseTupleUtil.java
new file mode 100644
index 0000000..3e65457
--- /dev/null
+++ 
b/mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/utils/MailboxBaseTupleUtil.java
@@ -0,0 +1,40 @@
+/****************************************************************
+ * 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.mailbox.cassandra.mail.utils;
+
+import org.apache.james.backends.cassandra.init.CassandraTypesProvider;
+import org.apache.james.mailbox.cassandra.table.CassandraMailboxTable;
+
+import com.datastax.driver.core.UDTValue;
+
+public class MailboxBaseTupleUtil {
+    private final CassandraTypesProvider typesProvider;
+
+    public MailboxBaseTupleUtil(CassandraTypesProvider typesProvider) {
+        this.typesProvider = typesProvider;
+    }
+
+    public UDTValue createMailboxBaseUDT(String namespace, String user) {
+        return 
typesProvider.getDefinedUserType(CassandraMailboxTable.MAILBOX_BASE)
+            .newValue()
+            .setString(CassandraMailboxTable.MailboxBase.NAMESPACE, namespace)
+            .setString(CassandraMailboxTable.MailboxBase.USER, user);
+    }
+}

http://git-wip-us.apache.org/repos/asf/james-project/blob/6cee1367/mailbox/cassandra/src/test/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAOTest.java
----------------------------------------------------------------------
diff --git 
a/mailbox/cassandra/src/test/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAOTest.java
 
b/mailbox/cassandra/src/test/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAOTest.java
new file mode 100644
index 0000000..6cc79e9
--- /dev/null
+++ 
b/mailbox/cassandra/src/test/java/org/apache/james/mailbox/cassandra/mail/CassandraMailboxDAOTest.java
@@ -0,0 +1,169 @@
+/****************************************************************
+ * 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.mailbox.cassandra.mail;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.List;
+import java.util.Optional;
+
+import org.apache.james.backends.cassandra.CassandraCluster;
+import org.apache.james.backends.cassandra.init.CassandraModuleComposite;
+import org.apache.james.mailbox.cassandra.CassandraId;
+import org.apache.james.mailbox.cassandra.modules.CassandraAclModule;
+import org.apache.james.mailbox.cassandra.modules.CassandraMailboxModule;
+import org.apache.james.mailbox.model.MailboxConstants;
+import org.apache.james.mailbox.model.MailboxPath;
+import org.apache.james.mailbox.store.mail.model.impl.SimpleMailbox;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.github.steveash.guavate.Guavate;
+
+public class CassandraMailboxDAOTest {
+
+    public static final int MAX_ACL_RETRY = 10;
+    public static final int UID_VALIDITY_1 = 145;
+    public static final int UID_VALIDITY_2 = 147;
+    public static final MailboxPath NEW_MAILBOX_PATH = new 
MailboxPath(MailboxConstants.USER_NAMESPACE, "user", "xyz");
+    public static CassandraId CASSANDRA_ID_1 = CassandraId.timeBased();
+    public static CassandraId CASSANDRA_ID_2 = CassandraId.timeBased();
+    private CassandraCluster cassandra;
+    private CassandraMailboxDAO testee;
+    private SimpleMailbox mailbox1;
+    private SimpleMailbox mailbox2;
+
+    @Before
+    public void setUp() {
+        cassandra = CassandraCluster.create(new CassandraModuleComposite(new 
CassandraMailboxModule(), new CassandraAclModule()));
+        cassandra.ensureAllTables();
+
+        testee = new CassandraMailboxDAO(cassandra.getConf(), 
cassandra.getTypesProvider(), MAX_ACL_RETRY);
+        mailbox1 = new SimpleMailbox(new 
MailboxPath(MailboxConstants.USER_NAMESPACE, "user", "abcd"),
+            UID_VALIDITY_1,
+            CASSANDRA_ID_1);
+        mailbox2 = new SimpleMailbox(new 
MailboxPath(MailboxConstants.USER_NAMESPACE, "user", "defg"),
+            UID_VALIDITY_2,
+            CASSANDRA_ID_2);
+    }
+
+    @After
+    public void tearDown() {
+        cassandra.clearAllTables();
+    }
+
+    @Test
+    public void retrieveMailboxShouldReturnEmptyWhenNone() {
+        Optional<SimpleMailbox> mailboxOptional = 
testee.retrieveMailbox(CASSANDRA_ID_1).join();
+        assertThat(mailboxOptional.isPresent()).isFalse();
+    }
+
+    @Test
+    public void saveShouldAddAMailbox() {
+        testee.save(mailbox1).join();
+
+        Optional<SimpleMailbox> readMailbox = 
testee.retrieveMailbox(CASSANDRA_ID_1)
+            .join();
+        assertThat(readMailbox.isPresent()).isTrue();
+        assertThat(readMailbox.get()).isEqualToComparingFieldByField(mailbox1);
+    }
+
+    @Test
+    public void saveShouldOverride() {
+        testee.save(mailbox1).join();
+
+        mailbox2.setMailboxId(CASSANDRA_ID_1);
+        testee.save(mailbox2).join();
+
+
+        Optional<SimpleMailbox> readMailbox = 
testee.retrieveMailbox(CASSANDRA_ID_1)
+            .join();
+        assertThat(readMailbox.isPresent()).isTrue();
+        assertThat(readMailbox.get()).isEqualToComparingFieldByField(mailbox2);
+    }
+
+    @Test
+    public void retrieveAllMailboxesShouldBeEmptyByDefault() {
+        List<SimpleMailbox> mailboxes = testee.retrieveAllMailboxes()
+            .join()
+            .collect(Guavate.toImmutableList());
+
+        assertThat(mailboxes).isEmpty();
+    }
+
+    @Test
+    public void retrieveAllMailboxesShouldReturnSingleMailbox() {
+        testee.save(mailbox1).join();
+
+        List<SimpleMailbox> mailboxes = testee.retrieveAllMailboxes()
+            .join()
+            .collect(Guavate.toImmutableList());
+
+        assertThat(mailboxes).containsOnly(mailbox1);
+    }
+
+    @Test
+    public void retrieveAllMailboxesShouldReturnMultiMailboxes() {
+        testee.save(mailbox1).join();
+        testee.save(mailbox2).join();
+
+        List<SimpleMailbox> mailboxes = testee.retrieveAllMailboxes()
+            .join()
+            .collect(Guavate.toImmutableList());
+
+        assertThat(mailboxes).containsOnly(mailbox1, mailbox2);
+    }
+
+    @Test
+    public void deleteShouldNotFailWhenMailboxIsAbsent() {
+        testee.delete(CASSANDRA_ID_1).join();
+    }
+
+    @Test
+    public void deleteShouldRemoveExistingMailbox() {
+        testee.save(mailbox1).join();
+
+        testee.delete(CASSANDRA_ID_1).join();
+
+        Optional<SimpleMailbox> mailboxOptional = 
testee.retrieveMailbox(CASSANDRA_ID_1).join();
+        assertThat(mailboxOptional.isPresent()).isFalse();
+    }
+
+    @Test
+    public void updateShouldNotFailWhenMailboxIsAbsent() {
+        testee.updatePath(CASSANDRA_ID_1, NEW_MAILBOX_PATH).join();
+    }
+
+    @Test
+    public void updateShouldChangeMailboxPath() {
+        testee.save(mailbox1).join();
+
+        testee.updatePath(CASSANDRA_ID_1, NEW_MAILBOX_PATH).join();
+
+        mailbox1.setNamespace(NEW_MAILBOX_PATH.getNamespace());
+        mailbox1.setUser(NEW_MAILBOX_PATH.getUser());
+        mailbox1.setName(NEW_MAILBOX_PATH.getName());
+        Optional<SimpleMailbox> readMailbox = 
testee.retrieveMailbox(CASSANDRA_ID_1)
+            .join();
+        assertThat(readMailbox.isPresent()).isTrue();
+        assertThat(readMailbox.get()).isEqualToComparingFieldByField(mailbox1);
+    }
+}


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