private void rebuildOutputNodesConnections(
List<? extends TableNode> tableNodes, PigMapData mapData) {
for (TableNode node : tableNodes) {
if (node != null) {
if (!node.getIncomingConnections().isEmpty()) {
if (!PigMapUtil.isExpressionEditable(node)) {
node.setExpression("");
PigMapUtil.detachConnectionsSouce(node, mapData);
}
}
}
}
}
public void rebuildModelOutputs(List<IMetadataTable> outputMetadataTables, PigMapData mapData) {
for (IMetadataTable meatadataTable : outputMetadataTables) {
String name = meatadataTable.getTableName();
OutputTable outputTable = null;
for (OutputTable out : mapData.getOutputTables()) {
if (out.getName() != null && out.getName().equals(name)) {
outputTable = out;
break;
}
}
if (outputTable == null) {
outputTable = PigmapFactory.eINSTANCE.createOutputTable();
outputTable.setName(name);
mapData.getOutputTables().add(outputTable);
}
List<IMetadataColumn> listColumns = meatadataTable.getListColumns();
if (listColumns != null) {
EList<TableNode> nodes = outputTable.getNodes();
for (int i = 0; i < listColumns.size(); i++) {
IMetadataColumn column = listColumns.get(i);
TableNode found = null;
int j = 0;
for (; j < nodes.size(); j++) {
TableNode node = nodes.get(j);
if (node.getName() != null && node.getName().equals(column.getLabel())) {
found = node;
break;
}
}
if (found != null) {
// set in case talend type changed in metadata
found.setType(column.getTalendType());
if (i != j) {
// do switch to keep the same sequence
TableNode temp = nodes.get(j);
nodes.remove(j);
nodes.add(i, temp);
}
} else {
found = PigmapFactory.eINSTANCE.createTableNode();
found.setName(column.getLabel());
found.setType(column.getTalendType());
found.setNullable(column.isNullable());
nodes.add(i, found);
}
}
if (nodes.size() > listColumns.size()) {
List unUsed = new ArrayList();
for (int i = listColumns.size(); i < nodes.size(); i++) {
TableNode node = nodes.get(i);
PigMapUtil.detachConnectionsSouce(node, mapData);
unUsed.add(node);
}
nodes.removeAll(unUsed);
}
}
mapData.getOutputTables().add(outputTable);
// re-build the connections in case any unnecessary connections are created because of
// previous bugs and
// can't be deleted
rebuildOutputNodesConnections(outputTable.getNodes(), mapData);
}
}