--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.incubator.adba/share/classes/jdk/incubator/sql2/AdbaConnectionProperty.java	Mon Apr 02 14:19:45 2018 -0400
@@ -0,0 +1,244 @@
+/*
+ * Copyright (c)  2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.incubator.sql2;
+
+import java.util.function.Function;
+import java.time.Duration;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ForkJoinPool;
+
+/**
+ * A set of {@link ConnectionProperty}  commonly supported. Implementations are not
+ * required to support all of these properties.
+ *
+ */
+public enum AdbaConnectionProperty implements ConnectionProperty {
+  
+  /**
+   *
+   */
+  CACHING(Caching.class, 
+          v -> v instanceof Caching,
+          Caching.CACHED,
+          false),
+  
+  /**
+   *
+   */
+  EXECUTOR(Executor.class,
+           v -> v instanceof Executor,
+           ForkJoinPool.commonPool(),
+           false),
+
+  /**
+   * 
+   */
+  CONNECT_TIMEOUT(Duration.class,
+          v -> v instanceof Duration && ! ((Duration)v).isNegative(),
+          Duration.ofSeconds(Long.MAX_VALUE),
+          false),
+  
+  /**
+   *
+   */
+  HOLDABILITY(Holdability.class, 
+          v -> v instanceof Holdability,
+          Holdability.HOLD_OVER_COMMIT,
+          false),
+
+  /**
+   *
+   */
+  NETWORK_TIMEOUT(Integer.class, 
+          v -> v instanceof Integer && ((int) v) >= 0,
+          Integer.MAX_VALUE,
+          false),
+
+  /**
+   *
+   */
+  PASSWORD(String.class,
+          v -> v instanceof String,
+          null,
+          true),
+
+  /**
+   *
+   */
+  READ_ONLY(Boolean.class, 
+          v -> v instanceof Boolean,
+          false,
+          false),
+
+  /**
+   *
+   */
+  SHARDING_KEY(ShardingKey.class,
+          v -> v instanceof ShardingKey,
+          null,
+          false),
+
+  /**
+   *
+   */
+  SHARDING_GROUP_KEY(ShardingKey.class,
+          v -> v instanceof ShardingKey,
+          null,
+          false),
+
+  /**
+   *
+   */
+  TRANSACTION_ISOLATION(TransactionIsolation.class, 
+          v -> v instanceof TransactionIsolation,
+          TransactionIsolation.READ_COMMITTED,
+          false),
+
+  /**
+   *
+   */
+  URL(String.class,
+          v -> v instanceof String,
+          null,
+          false),
+
+  /**
+   *
+   */
+  USER(String.class,
+          v -> v instanceof String,
+          null,
+          false);
+
+  private final Class<?> range;
+  private final Function<Object, Boolean> validator;
+  private final Object defaultValue;
+  private final boolean isSensitive;
+
+  private AdbaConnectionProperty(Class<?> range, 
+          Function<Object, Boolean> validator,
+          Object value,
+          boolean isSensitive) {
+    this.range = range;
+    this.validator = validator;
+    this.defaultValue = value;
+    this.isSensitive = isSensitive;
+  }
+
+  @Override
+  public Class<?> range() {
+    return range;
+  }
+
+  @Override
+  public boolean validate(Object value) {
+    return validator.apply(value);
+  }
+
+  @Override
+  public Object defaultValue() {
+    return defaultValue;
+  }
+
+  @Override
+  public boolean isSensitive() {
+    return isSensitive;
+  }
+
+  /**
+   *
+   */
+  public enum Caching {
+    /**
+     * The returned {@link Connection} is required to be completely new and configured
+     * exactly as specified by the other properties. Use this with caution and
+     * only when absolutely necessary. Use {@link AS_NEW} instead if at all possible.
+     * This should be used only to work around some limitation of the database
+     * or the implementation.
+     */
+    NEW,
+    /**
+     * The returned {@link Connection} has no state other than that of a new Connection
+     * modified as specified by the other properties. May not be strictly new
+     * but has the same behavior as a new {@link Connection}. The {@link Connection} may be {@link NEW}. The default.
+     */
+    AS_NEW,
+    /**
+     * The returned {@link Connection} has the state specified by the other properties
+     * but may have additional state that differs from that of a new {@link Connection}.
+     * The {@link Connection} may be {@link AS_NEW}.
+     */
+    CACHED;
+  }
+
+  /**
+   *
+   */
+  public enum TransactionIsolation {
+
+    /**
+     *
+     */
+    NONE,
+
+    /**
+     *
+     */
+    READ_COMMITTED,
+
+    /**
+     *
+     */
+    READ_UNCOMMITTED,
+
+    /**
+     *
+     */
+    REPEATABLE_READ,
+
+    /**
+     *
+     */
+    SERIALIZABLE;
+  }
+
+  /**
+   *
+   */
+  public enum Holdability {
+
+    /**
+     *
+     */
+    HOLD_OVER_COMMIT,
+
+    /**
+     *
+     */
+    CLOSE_AT_COMMIT;
+  }
+
+}