Merge pull request #158 from oracle/javadoc-1.3.0

JavaDoc and Code Clean Up for 1.3.0

src/main/java/oracle/r2dbc/impl/AsyncLock.java

@@ -25,12 +25,6 @@
 import org.reactivestreams.Publisher;
 import org.reactivestreams.Subscriber;
 import org.reactivestreams.Subscription;
-import reactor.core.publisher.Mono;
-
-import java.util.concurrent.ConcurrentLinkedDeque;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicLong;
-import java.util.function.Function;
 
 /**
  * <p>
@@ -70,12 +64,6 @@
  * immediately, before {@code lock(Runnable)} returns if the lock is
  * available. Otherwise, the {@code Runnable} is executed asynchronously
  * after the lock becomes available.
- * </p><p>
- * The {@code Runnable} provided to {@link #lock(Runnable)} <i>MUST</i> ensure
- * that a single invocation of {@link #unlock()} will occur after its
- * {@code run()} method is invoked. The call to {@code unlock} may occur
- * within the scope of the {@code Runnable.run()} method. It may also occur
- * asynchronously, after the {@code run()} method has returned.
  * </p>
  * <h3>Locking for Synchronous JDBC Calls</h3>
  * <p>
@@ -96,7 +84,7 @@
  * methods.
  * </p>
  */
-public interface AsyncLock {
+interface AsyncLock {
 
   /**
    * Acquires this lock, executes a {@code callback}, and then releases this

src/main/java/oracle/r2dbc/impl/OracleBatchImpl.java

@@ -21,18 +21,15 @@
 
 package oracle.r2dbc.impl;
 
-import java.sql.Connection;
-import java.sql.Statement;
-import java.time.Duration;
-import java.util.LinkedList;
-import java.util.Queue;
-import java.util.concurrent.atomic.AtomicReference;
-
 import io.r2dbc.spi.Batch;
 import io.r2dbc.spi.R2dbcException;
 import org.reactivestreams.Publisher;
 import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
+
+import java.sql.Connection;
+import java.time.Duration;
+import java.util.LinkedList;
+import java.util.Queue;
 
 import static oracle.r2dbc.impl.OracleR2dbcExceptions.requireNonNull;
 import static oracle.r2dbc.impl.OracleR2dbcExceptions.requireOpenConnection;
@@ -59,9 +56,6 @@ final class OracleBatchImpl implements Batch {
   /** The OracleConnectionImpl that created this Batch */
   private final OracleConnectionImpl r2dbcConnection;
 
-  /** Adapts Oracle JDBC Driver APIs into Reactive Streams APIs */
-  private final ReactiveJdbcAdapter adapter;
-
   /**
    * JDBC connection to an Oracle Database which executes this batch.
    */
@@ -83,14 +77,12 @@ final class OracleBatchImpl implements Batch {
    * SQL statements with a {@code jdbcConnection}.
    * @param timeout Timeout applied to each statement this batch executes.
    * Not null. Not negative.
-   * @param jdbcConnection JDBC connection to an Oracle Database. Not null.
-   * @param adapter Adapts JDBC calls into reactive streams. Not null.
+   * @param r2dbcConnection R2DBC connection that created this batch. Not null.
    */
   OracleBatchImpl(Duration timeout, OracleConnectionImpl r2dbcConnection) {
     this.timeout = timeout;
     this.r2dbcConnection = r2dbcConnection;
     this.jdbcConnection = r2dbcConnection.jdbcConnection();
-    this.adapter = r2dbcConnection.adapter();
   }
 
   /**

src/main/java/oracle/r2dbc/impl/OracleConnectionImpl.java

@@ -411,6 +411,8 @@ public Publisher<Void> close() {
    * publisher when there is no obligation to do so.
    * </p>
    *
+   * @param <T> the type of element signaled by the publisher.
+   *
    * @param publisher Publisher that must be subscribed to before closing the
    * JDBC connection. Not null.
    *

src/main/java/oracle/r2dbc/impl/OracleReadableImpl.java

@@ -63,14 +63,10 @@
 import java.time.OffsetDateTime;
 import java.time.OffsetTime;
 import java.time.Period;
-import java.time.temporal.ChronoUnit;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.NoSuchElementException;
-import java.util.Objects;
 import java.util.TreeMap;
-import java.util.concurrent.TimeUnit;
 import java.util.function.Function;
 import java.util.function.IntFunction;
 
@@ -125,7 +121,6 @@ class OracleReadableImpl implements io.r2dbc.spi.Readable {
    *   {@code jdbcReadable}. Not null.
    * @param jdbcReadable Readable values from a JDBC Driver. Not null.
    * @param readablesMetadata Metadata of each value. Not null.
-   * @param adapter Adapts JDBC calls into reactive streams. Not null.
    */
   private OracleReadableImpl(
     OracleConnectionImpl r2dbcConnection, DependentCounter dependentCounter,
@@ -144,13 +139,12 @@ private OracleReadableImpl(
    * provided {@code jdbcReadable} and {@code metadata}. The metadata
    * object is used to determine the default type mapping of column values.
    * </p>
-   * @param jdbcConnection JDBC connection that created the
+   * @param r2dbcConnection R2DBC connection that created the
    *   {@code jdbcReadable}. Not null.
    * @param dependentCounter Counter that is increased for each dependent
    * {@code Result} created by the returned {@code Row}
    * @param jdbcReadable Row data from the Oracle JDBC Driver. Not null.
    * @param metadata Meta-data for the specified row. Not null.
-   * @param adapter Adapts JDBC calls into reactive streams. Not null.
    * @return A {@code Row} backed by the {@code jdbcReadable} and
    *   {@code metadata}. Not null.
    */
@@ -173,7 +167,6 @@ static Row createRow(
    * {@code Result} created by the returned {@code OutParameters}
    * @param jdbcReadable Row data from the Oracle JDBC Driver. Not null.
    * @param metadata Meta-data for the specified row. Not null.
-   * @param adapter Adapts JDBC calls into reactive streams. Not null.
    * @return An {@code OutParameters} backed by the {@code jdbcReadable} and
    *   {@code metadata}. Not null.
    */
@@ -406,17 +399,6 @@ private Clob getClob(int index) {
    */
   private LocalDateTime getLocalDateTime(int index) {
     return jdbcReadable.getObject(index, LocalDateTime.class);
-    /*
-    if (OracleR2dbcTypes.TIMESTAMP_WITH_LOCAL_TIME_ZONE
-          .equals(readablesMetadata.get(index).getType())) {
-      // TODO: Remove this when Oracle JDBC implements a correct conversion
-      Timestamp timestamp = jdbcReadable.getObject(index, Timestamp.class);
-      return timestamp == null ? null : timestamp.toLocalDateTime();
-    }
-    else {
-      return jdbcReadable.getObject(index, LocalDateTime.class);
-    }
-     */
   }
 
   /**
@@ -741,7 +723,7 @@ private static Map<String, Object> toMap(OracleReadableImpl readable) {
   private <T,U> Function<T,U> getMappingFunction(
     Class<T> fromType, Class<U> toType) {
 
-    Function<? extends Object, Object> mappingFunction = null;
+    Function<?, Object> mappingFunction = null;
 
     if (toType.isAssignableFrom(fromType)) {
       return toType::cast;
@@ -857,20 +839,7 @@ else if (INTERVALYM.class.isAssignableFrom(fromType)
     }
     else if (INTERVALDS.class.isAssignableFrom(fromType)
       && toType.isAssignableFrom(Duration.class)) {
-      mappingFunction = (INTERVALDS intervalds) -> {
-          // The binary representation is specified in the JavaDoc of
-          // oracle.sql.INTERVALDS. In 21.x, the JavaDoc has bug: It neglects
-          // to mention that the day and fractional second values are offset by
-          // 0x80000000
-          ByteBuffer byteBuffer = ByteBuffer.wrap(intervalds.shareBytes());
-          return Duration.of(
-            TimeUnit.DAYS.toNanos(byteBuffer.getInt() - 0x80000000)// 4 byte day
-              + TimeUnit.HOURS.toNanos(byteBuffer.get() - 60) // 1 byte hour
-              + TimeUnit.MINUTES.toNanos(byteBuffer.get() - 60) // 1 byte minute
-              + TimeUnit.SECONDS.toNanos(byteBuffer.get() - 60) // 1 byte second
-              + byteBuffer.getInt() - 0x80000000, // 4 byte fractional second
-            ChronoUnit.NANOS);
-        };
+      mappingFunction = (INTERVALDS intervalds) -> intervalds.getDuration();
     }
     else if (java.sql.Blob.class.isAssignableFrom(fromType)
       && byte[].class.equals(toType)) {
@@ -1008,7 +977,6 @@ private static final class RowImpl
      *   {@code jdbcReadable}. Not null.
      * @param jdbcReadable Row data from the Oracle JDBC Driver. Not null.
      * @param metadata Meta-data for the specified row. Not null.
-     * @param adapter Adapts JDBC calls into reactive streams. Not null.
      */
     private RowImpl(
       OracleConnectionImpl r2dbcConnection, DependentCounter dependentCounter,
@@ -1046,11 +1014,10 @@ private static final class OutParametersImpl
      * {@code jdbcReadable} and obtains metadata of the values from
      * {@code outParametersMetaData}.
      * </p>
-     * @param jdbcConnection JDBC connection that created the
+     * @param r2dbcConnection R2DBC connection that created the
      *   {@code jdbcReadable}. Not null.
      * @param jdbcReadable Readable values from a JDBC Driver. Not null.
      * @param metadata Metadata of each value. Not null.
-     * @param adapter Adapts JDBC calls into reactive streams. Not null.
      */
     private OutParametersImpl(
       OracleConnectionImpl r2dbcConnection, DependentCounter dependentCounter,
@@ -1080,7 +1047,6 @@ private final class OracleR2dbcObjectImpl
      *   {@code jdbcReadable}. Not null.
      * @param structJdbcReadable Readable values from a JDBC Driver. Not null.
      * @param metadata Metadata of each value. Not null.
-     * @param adapter Adapts JDBC calls into reactive streams. Not null.
      */
     private OracleR2dbcObjectImpl(
       OracleConnectionImpl r2dbcConnection,

src/main/java/oracle/r2dbc/impl/OracleResultImpl.java

@@ -268,7 +268,6 @@ protected void setPublished() {
    * statement which created the {@code ResultSet} to remain open until all
    * results are consumed.
    * @param resultSet {@code ResultSet} to publish. Not null.
-   * @param adapter Adapts JDBC calls into reactive streams. Not null.
    * @return A {@code Result} for a ResultSet
    */
   public static OracleResultImpl createQueryResult(
@@ -305,7 +304,6 @@ static OracleResultImpl createCallResult(
    * statement which created the {@code generatedKeys} {@code ResultSet} to
    * remain open until all results are consumed.
    * @param generatedKeys Generated values to publish. Not null.
-   * @param adapter Adapts JDBC calls into reactive streams. Not null.
    */
   static OracleResultImpl createGeneratedValuesResult(
     OracleConnectionImpl r2dbcConnection, long updateCount,