diff --git a/java/flight/flight-sql/src/test/java/org/apache/arrow/flight/sql/PreparedStatementContext.java b/java/flight/flight-sql/src/test/java/org/apache/arrow/flight/sql/PreparedStatementContext.java deleted file mode 100644 index cd38255fd0320..0000000000000 --- a/java/flight/flight-sql/src/test/java/org/apache/arrow/flight/sql/PreparedStatementContext.java +++ /dev/null @@ -1,65 +0,0 @@ -/* - * 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.arrow.flight.sql; - -import java.sql.Connection; -import java.sql.PreparedStatement; -import java.util.Objects; - -import org.apache.arrow.util.AutoCloseables; - -class PreparedStatementContext implements AutoCloseable { - - private final Connection connection; - private final PreparedStatement preparedStatement; - - PreparedStatementContext(Connection connection, PreparedStatement preparedStatement) { - this.preparedStatement = preparedStatement; - this.connection = connection; - } - - PreparedStatement getPreparedStatement() { - return preparedStatement; - } - - @Override - public boolean equals(Object o) { - if (this == o) { - return true; - } - - if (!(o instanceof PreparedStatementContext)) { - return false; - } - - PreparedStatementContext that = (PreparedStatementContext) o; - - return Objects.equals(connection, that.connection) && - Objects.equals(preparedStatement, that.preparedStatement); - } - - @Override - public int hashCode() { - return Objects.hash(connection, preparedStatement); - } - - @Override - public void close() throws Exception { - AutoCloseables.close(preparedStatement, connection); - } -} diff --git a/java/flight/flight-sql/src/test/java/org/apache/arrow/flight/sql/StatementContext.java b/java/flight/flight-sql/src/test/java/org/apache/arrow/flight/sql/StatementContext.java new file mode 100644 index 0000000000000..1f37856d6b66e --- /dev/null +++ b/java/flight/flight-sql/src/test/java/org/apache/arrow/flight/sql/StatementContext.java @@ -0,0 +1,90 @@ +/* + * 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.arrow.flight.sql; + +import java.io.Serializable; +import java.sql.Statement; +import java.util.Objects; +import java.util.Optional; + +import javax.annotation.Nullable; + +import org.apache.arrow.util.AutoCloseables; +import org.apache.arrow.util.Preconditions; + +/** + * Context for {@link T} to be persisted in memory in between {@link FlightSqlProducer} calls. + * + * @param the {@link Statement} to be persisted. + */ +public final class StatementContext implements AutoCloseable, Serializable { + + private static final long serialVersionUID = 1344967087502630673L; + + private final T statement; + private final String query; + + public StatementContext(final T statement, final @Nullable String query) { + this.statement = Preconditions.checkNotNull(statement); + this.query = query; + } + + public StatementContext(final T statement) { + this(statement, null); + } + + /** + * Gets the statement wrapped by this {@link StatementContext}. + * + * @return the inner statement. + */ + public T getStatement() { + return statement; + } + + /** + * Gets the optional SQL query wrapped by this {@link StatementContext}. + * + * @return the SQL query if present; empty otherwise. + */ + public Optional getQuery() { + return Optional.ofNullable(query); + } + + @Override + public void close() throws Exception { + AutoCloseables.close(statement); + } + + @Override + public boolean equals(final Object other) { + if (this == other) { + return true; + } + if (!(other instanceof StatementContext)) { + return false; + } + final StatementContext that = (StatementContext) other; + return getStatement().equals(that.getStatement()); + } + + @Override + public int hashCode() { + return Objects.hash(getStatement()); + } +}