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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-02 22:23:40 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-02 22:23:40 +0000 |
commit | ad0e368eeedb0454e1dd398bd84c23cbfbd692f8 (patch) | |
tree | 38aaf22c3b98c06091dcef76ce353d2f25cde91f /das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java | |
parent | d7626a5e989f7cb90d0a50bbfd71aab63d42523d (diff) |
Moving das tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@832150 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java')
-rw-r--r-- | das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java b/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java new file mode 100644 index 0000000000..b9649669e5 --- /dev/null +++ b/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java @@ -0,0 +1,79 @@ +/* + * 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.util; + +import java.util.Iterator; +import java.util.List; + +import commonj.sdo.ChangeSummary; +import commonj.sdo.DataObject; +import commonj.sdo.Property; +import commonj.sdo.ChangeSummary.Setting; +import commonj.sdo.helper.DataFactory; + +/** + */ +public final class DataObjectUtil { + + private DataObjectUtil() { + + } + + // Utilities + public static DataObject getRestoredCopy(DataObject changedDO) { + DataObject changedCopy = getCopy(changedDO); + restoreAttributeValues(changedCopy, changedDO); + return changedCopy; + } + + public static DataObject getCopy(DataObject original) { + + DataObject copy = DataFactory.INSTANCE.create(original.getType()); + + // Fill in values + Iterator i = original.getType().getProperties().iterator(); + while (i.hasNext()) { + Property feature = (Property) i.next(); + copy.set(feature, original.get(feature)); + } + return copy; + } + + /** + * @param changedCopy + * @return + */ + private static void restoreAttributeValues(DataObject changedCopy, DataObject changedDO) { + + ChangeSummary changeSummary = changedDO.getDataGraph().getChangeSummary(); + List changes = changeSummary.getOldValues(changedDO); + if (changes == null) { + return; + } + + Iterator i = changes.iterator(); + while (i.hasNext()) { + Setting s = (Setting) i.next(); + if (s.getProperty().getType().isDataType()) { + changedCopy.set(s.getProperty(), s.getValue()); + } + } + } + +} |