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| * regarding copyright ownership. The ASF licenses this file * |
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| * "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 * |
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| * specific language governing permissions and limitations * |
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| ****************************************************************/ |
| |
| package org.apache.james.mailbox.cassandra.mail; |
| |
| import static com.datastax.driver.core.querybuilder.QueryBuilder.add; |
| 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.select; |
| import static com.datastax.driver.core.querybuilder.QueryBuilder.update; |
| import static org.apache.james.mailbox.cassandra.table.CassandraApplicableFlagTable.FIELDS; |
| import static org.apache.james.mailbox.cassandra.table.CassandraApplicableFlagTable.MAILBOX_ID; |
| import static org.apache.james.mailbox.cassandra.table.CassandraApplicableFlagTable.TABLE_NAME; |
| import static org.apache.james.mailbox.cassandra.table.Flag.USER_FLAGS; |
| |
| import java.util.Set; |
| |
| import javax.inject.Inject; |
| import javax.mail.Flags; |
| |
| import org.apache.james.backends.cassandra.utils.CassandraAsyncExecutor; |
| import org.apache.james.mailbox.cassandra.ids.CassandraId; |
| |
| import com.datastax.driver.core.PreparedStatement; |
| import com.datastax.driver.core.Session; |
| import com.datastax.driver.core.querybuilder.QueryBuilder; |
| import com.datastax.driver.core.querybuilder.Update; |
| import com.datastax.driver.core.querybuilder.Update.Assignments; |
| |
| import reactor.core.publisher.Mono; |
| |
| public class CassandraApplicableFlagDAO { |
| |
| private final CassandraAsyncExecutor cassandraAsyncExecutor; |
| private final PreparedStatement select; |
| private final PreparedStatement delete; |
| |
| @Inject |
| public CassandraApplicableFlagDAO(Session session) { |
| this.cassandraAsyncExecutor = new CassandraAsyncExecutor(session); |
| this.select = prepareSelect(session); |
| this.delete = prepareDelete(session); |
| } |
| |
| private PreparedStatement prepareSelect(Session session) { |
| return session.prepare(select(FIELDS) |
| .from(TABLE_NAME) |
| .where(eq(MAILBOX_ID, bindMarker(MAILBOX_ID)))); |
| } |
| |
| private PreparedStatement prepareDelete(Session session) { |
| return session.prepare(QueryBuilder.delete() |
| .from(TABLE_NAME) |
| .where(eq(MAILBOX_ID, bindMarker(MAILBOX_ID)))); |
| } |
| |
| public Mono<Void> delete(CassandraId mailboxId) { |
| return cassandraAsyncExecutor.executeVoid( |
| delete.bind() |
| .setUUID(MAILBOX_ID, mailboxId.asUuid())); |
| } |
| |
| public Mono<Flags> retrieveApplicableFlag(CassandraId mailboxId) { |
| return cassandraAsyncExecutor.executeSingleRow( |
| select.bind() |
| .setUUID(MAILBOX_ID, mailboxId.asUuid())) |
| .map(row -> new FlagsExtractor(row).getApplicableFlags()); |
| } |
| |
| public Mono<Void> updateApplicableFlags(CassandraId cassandraId, Set<String> toBeAdded) { |
| if (toBeAdded.isEmpty()) { |
| return Mono.empty(); |
| } |
| return cassandraAsyncExecutor.executeVoid(updateQuery(cassandraId, toBeAdded)); |
| } |
| |
| private Update.Where updateQuery(CassandraId cassandraId, Set<String> userFlags) { |
| return addUserFlagsToQuery(userFlags, |
| update(TABLE_NAME).with()) |
| .where(eq(MAILBOX_ID, cassandraId.asUuid())); |
| } |
| |
| private Assignments addUserFlagsToQuery(Set<String> userFlags, Assignments updateQuery) { |
| userFlags.forEach(userFlag -> updateQuery.and(add(USER_FLAGS, userFlag))); |
| return updateQuery; |
| } |
| |
| } |