diff options
Diffstat (limited to 'tags/java/das/1.0-incubator-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/generator/impl/InsertGenerator.java')
-rw-r--r-- | tags/java/das/1.0-incubator-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/generator/impl/InsertGenerator.java | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/tags/java/das/1.0-incubator-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/generator/impl/InsertGenerator.java b/tags/java/das/1.0-incubator-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/generator/impl/InsertGenerator.java deleted file mode 100644 index 5fda043253..0000000000 --- a/tags/java/das/1.0-incubator-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/generator/impl/InsertGenerator.java +++ /dev/null @@ -1,159 +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.generator.impl; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.Iterator; -import java.util.List; - -import org.apache.log4j.Logger; -import org.apache.tuscany.das.rdb.config.Relationship; -import org.apache.tuscany.das.rdb.config.Table; -import org.apache.tuscany.das.rdb.config.wrapper.MappingWrapper; -import org.apache.tuscany.das.rdb.config.wrapper.RelationshipWrapper; -import org.apache.tuscany.das.rdb.config.wrapper.TableWrapper; -import org.apache.tuscany.das.rdb.impl.InsertCommandImpl; -import org.apache.tuscany.das.rdb.impl.ParameterImpl; -import org.apache.tuscany.das.rdb.util.LoggerFactory; - -import commonj.sdo.DataObject; -import commonj.sdo.Property; - -public final class InsertGenerator extends BaseGenerator { - - public static final InsertGenerator INSTANCE = new InsertGenerator(); - - private final Logger logger = LoggerFactory.INSTANCE.getLogger(InsertGenerator.class); - - private InsertGenerator() { - super(); - } - - public InsertCommandImpl getInsertCommand(MappingWrapper config, DataObject changedObject, Table t) { - List parameters = new ArrayList(); - TableWrapper table = new TableWrapper(t); - StringBuffer statement = new StringBuffer("insert into "); - statement.append(t.getTableName()); - - Iterator i = getAttributeProperties(changedObject, config).iterator(); - - List attributes = new ArrayList(); - List generatedKeys = new ArrayList(); - while (i.hasNext()) { - Property attr = (Property) i.next(); - if (table.isGeneratedColumnProperty(attr.getName())) { - generatedKeys.add(attr.getName()); - } else { - attributes.add(attr.getName()); - parameters.add(changedObject.getType().getProperty(attr.getName())); - } - } - - statement.append("("); - Iterator attrs = attributes.iterator(); - while (attrs.hasNext()) { - String name = (String) attrs.next(); - statement.append(""); - statement.append(name); - if (attrs.hasNext()) { - statement.append(", "); - } else { - statement.append(")"); - } - } - - statement.append(" values ("); - for (int idx = 1; idx <= attributes.size(); idx++) { - statement.append('?'); - if (idx < attributes.size()) { - statement.append(", "); - } else { - statement.append(")"); - } - } - - InsertCommandImpl cmd = new InsertCommandImpl(statement.toString(), - (String[]) generatedKeys.toArray(new String[0])); - Iterator params = parameters.iterator(); - for (int idx = 1; params.hasNext(); idx++) { - Property property = (Property) params.next(); - ParameterImpl p = new ParameterImpl(); - p.setName(property.getName()); - p.setType(property.getType()); - p.setConverter(getConverter(table.getConverter(property.getName()))); - p.setIndex(idx); - cmd.addParameter(p); - - } - if (this.logger.isDebugEnabled()) { - this.logger.debug(statement.toString()); - } - - return cmd; - - } - - private List getAttributeProperties(DataObject obj, MappingWrapper config) { - List fields = new ArrayList(); - Iterator i = obj.getType().getProperties().iterator(); - while (i.hasNext()) { - Property p = (Property) i.next(); - if (p.getType().isDataType()) { - if (obj.isSet(p)) { - fields.add(p); - } - } else { - if (obj.isSet(p)) { - Relationship relationship = config.getRelationshipByReference(p); - if ((p.getOpposite() != null && p.getOpposite().isMany()) - || (hasState(config, relationship, obj))) { - RelationshipWrapper r = new RelationshipWrapper(relationship); - Iterator keys = r.getForeignKeys().iterator(); - while (keys.hasNext()) { - String key = (String) keys.next(); - Property keyProp = obj.getType().getProperty(key); - fields.add(keyProp); - } - } - - } - } - } - - return fields; - - } - - private boolean hasState(MappingWrapper config, Relationship rel, DataObject changedObject) { - - if (!rel.isMany()) { - Table t = config.getTableByTypeName(changedObject.getType().getName()); - TableWrapper tw = new TableWrapper(t); - RelationshipWrapper rw = new RelationshipWrapper(rel); - if ((rel.getForeignKeyTable().equals(t.getTableName())) - && (Collections.disjoint(tw.getPrimaryKeyProperties(), rw.getForeignKeys()))) { - return true; - } - } - - return false; - } - -} |