| /*- |
| * Copyright (C) 2002, 2018, Oracle and/or its affiliates. All rights reserved. |
| * |
| * This file was distributed by Oracle as part of a version of Oracle Berkeley |
| * DB Java Edition made available at: |
| * |
| * http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html |
| * |
| * Please see the LICENSE file included in the top-level directory of the |
| * appropriate version of Oracle Berkeley DB Java Edition for a copy of the |
| * license and additional information. |
| */ |
| |
| package com.sleepycat.je.utilint; |
| |
| import com.sleepycat.je.DatabaseEntry; |
| |
| /** |
| * Utils for use in the db package. |
| */ |
| public class DatabaseUtil { |
| |
| /* |
| * The global JE test mode flag. When true, certain instrumentation is |
| * turned on. This flag is always true during unit testing. |
| */ |
| public static final boolean TEST = Boolean.getBoolean("JE_TEST"); |
| |
| /** |
| * Throw an exception if the parameter is null. |
| * |
| * @throws IllegalArgumentException via any API method |
| */ |
| public static void checkForNullParam(final Object param, |
| final String name) { |
| if (param == null) { |
| throw new IllegalArgumentException(name + " cannot be null"); |
| } |
| } |
| |
| /** |
| * Throw an exception if the parameter is a null or 0-length array. |
| * |
| * @throws IllegalArgumentException via any API method |
| */ |
| public static void checkForZeroLengthArrayParam(final Object[] param, |
| final String name) { |
| checkForNullParam(param, name); |
| |
| if (param.length == 0) { |
| throw new IllegalArgumentException( |
| "'" + name + "' param cannot be zero length"); |
| } |
| } |
| |
| /** |
| * Throw an exception if the entry is null or the data field is not set. |
| * |
| * @throws IllegalArgumentException via any API method that takes a |
| * required DatabaseEntry param |
| */ |
| public static void checkForNullDbt(final DatabaseEntry entry, |
| final String name, |
| final boolean checkData) { |
| if (entry == null) { |
| throw new IllegalArgumentException( |
| "'" + name + "' param cannot be null"); |
| } |
| |
| if (checkData) { |
| if (entry.getData() == null) { |
| throw new IllegalArgumentException( |
| "Data field for '" + name + "' param cannot be null"); |
| } |
| } |
| } |
| |
| /** |
| * Throw an exception if the entry has the partial flag set. |
| */ |
| public static void checkForPartial(final DatabaseEntry entry, |
| final String name) { |
| if (entry.getPartial()) { |
| throw new IllegalArgumentException( |
| "'" + name + "' param may not be partial"); |
| } |
| } |
| } |