diff options
Diffstat (limited to 'tags/java/das/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ReadCommandImpl.java')
-rw-r--r-- | tags/java/das/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ReadCommandImpl.java | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/tags/java/das/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ReadCommandImpl.java b/tags/java/das/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ReadCommandImpl.java deleted file mode 100644 index defebc6f3e..0000000000 --- a/tags/java/das/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ReadCommandImpl.java +++ /dev/null @@ -1,124 +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 java.sql.SQLException; -import java.util.List; - -import org.apache.tuscany.das.rdb.config.wrapper.MappingWrapper; -import org.apache.tuscany.das.rdb.graphbuilder.impl.GraphBuilderMetadata; -import org.apache.tuscany.das.rdb.graphbuilder.impl.ResultSetProcessor; -import org.apache.tuscany.sdo.util.SDOUtil; - -import commonj.sdo.ChangeSummary; -import commonj.sdo.DataGraph; -import commonj.sdo.DataObject; - -public class ReadCommandImpl extends CommandImpl { - - private int startRow = 1; - - private int endRow = Integer.MAX_VALUE; - - public ReadCommandImpl(String sqlString, MappingWrapper mapping, List resultDescriptor) { - super(sqlString); - this.configWrapper = mapping; - - if (resultDescriptor != null && !resultDescriptor.isEmpty()) { - this.resultSetShape = new ResultSetShape(resultDescriptor, configWrapper.getConfig());//JIRA-952 - } - } - - - public void execute() { - throw new UnsupportedOperationException(); - } - - public DataObject executeQuery() { - - if (statement.getConnection() == null) { - throw new RuntimeException("A DASConnection object must be specified before executing the query."); - } - - boolean success = false; - try { - List results = statement.executeQuery(parameters); - success = true; - return buildGraph(results); - } catch (SQLException e) { - throw new RuntimeException(e); - } finally { - if (success) { - statement.getConnection().cleanUp(); - } else { - statement.getConnection().errorCleanUp(); - } - } - } - - protected DataObject buildGraph(List results) throws SQLException { - - // Before we use the mappingModel, do some checking/updating. If - // inferrable information - // isn't specified, add it in. - - GraphBuilderMetadata gbmd = new GraphBuilderMetadata(results, configWrapper.getConfig(), - resultSetShape); - - // Create the DataGraph - DataGraph g = SDOUtil.createDataGraph(); - - // Create the root object - g.createRootObject(gbmd.getRootType()); - - SDOUtil.registerDataGraphTypes(g, gbmd.getDefinedTypes()); - - ChangeSummary summary = g.getChangeSummary(); - - ResultSetProcessor rsp = new ResultSetProcessor(g.getRootObject(), gbmd); - rsp.processResults(getStartRow(), getEndRow()); - - summary.beginLogging(); - - return g.getRootObject(); - } - - - protected int getStartRow() { - return startRow; - } - - protected int getEndRow() { - return endRow; - } - - protected void setStartRow(int startRow) { - this.startRow = startRow; - } - - protected void setEndRow(int endRow) { - this.endRow = endRow; - } - - - protected void enablePaging() { - statement.enablePaging(); - } - -} |