diff options
Diffstat (limited to 'tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java')
-rw-r--r-- | tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java b/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java deleted file mode 100644 index 32b17ef3e7..0000000000 --- a/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/PagerImpl.java +++ /dev/null @@ -1,64 +0,0 @@ -/** - * - * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. - * - * Licensed 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(); - } -} |