diff options
Diffstat (limited to 'das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java')
-rw-r--r-- | das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java b/das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java deleted file mode 100644 index 27b653763b..0000000000 --- a/das-java/tags/1.0-incubating-beta1-rc2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java +++ /dev/null @@ -1,69 +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.tuscany.das.rdb.impl; - -import org.apache.tuscany.das.rdb.Command; -import org.apache.tuscany.das.rdb.Pager; - -import commonj.sdo.DataObject; - -public class PagerImpl implements Pager { - - private final ReadCommandImpl command; - - private final int size; - - private int idx = 1; - - public PagerImpl(Command command, int size) { - this.command = (ReadCommandImpl) command; - this.command.enablePaging(); - this.size = size; - } - - public DataObject next() { - int start = idx; - int end = idx + size; - idx += size; - command.setStartRow(start); - command.setEndRow(end); - return command.executeQuery(); - } - - public DataObject getPage(int page) { - int end = (page * size) + 1; - int start = end - size; - idx = end; - command.setStartRow(start); - command.setEndRow(end); - return command.executeQuery(); - } - - public DataObject previous() { - int start = idx - (2 * size); - if (start < 1) { - start = 1; - } - int end = start + size; - idx = end; - command.setStartRow(start); - command.setEndRow(end); - return command.executeQuery(); - } -} |