public void rebuildModelInputs(List<? extends IConnection> inputConn, PigMapData mapData) {
// remove no used input table
if (mapData.getInputTables().size() != inputConn.size()) {
List tableToRemove = new ArrayList();
for (InputTable inputTable : mapData.getInputTables()) {
boolean found = false;
for (IConnection connection : inputConn) {
if (inputTable.getName().equals(connection.getName())) {
found = true;
}
}
if (!found) {
for (TableNode tableNode : inputTable.getNodes()) {
PigMapUtil.detachNodeConnections(tableNode, mapData);
}
tableToRemove.add(inputTable);
PigMapUtil.detachFilterSource(inputTable, mapData);
}
}
mapData.getInputTables().removeAll(tableToRemove);
}
for (IConnection inData : inputConn) {
String name = inData.getName();
InputTable inputTable = null;
for (InputTable in : mapData.getInputTables()) {
if (in.getName() != null && in.getName().equals(name)) {
inputTable = in;
break;
}
}
if (inputTable == null) {
inputTable = PigmapFactory.eINSTANCE.createInputTable();
inputTable.setName(name);
inputTable.setLookup(EConnectionType.FLOW_MAIN != inData.getLineStyle());
mapData
.getInputTables()
.add(inputTable.isLookup() ? mapData.getInputTables().size() : 0, inputTable);
} else {
inputTable.setLookup(EConnectionType.FLOW_MAIN != inData.getLineStyle());
}
// by default
if (inputTable.isLookup() && inputTable.getJoinModel() == null) {
inputTable.setJoinModel(TableSettingsConstant.LEFT_OUTER_JOIN);
}
if (inputTable.isLookup() && inputTable.getJoinOptimization() == null) {
inputTable.setJoinOptimization(PIG_MAP_JOIN_OPTIMIZATION.NONE.toString());
}
rebuildInputTable(inputTable, inData.getMetadataTable(), mapData);
}
}
public void rebuildInputTable(
InputTable inputTable, IMetadataTable metadataTable, PigMapData mapData) {
if (metadataTable != null && metadataTable.getListColumns() != null) {
List<IMetadataColumn> listColumns = metadataTable.getListColumns();
EList<TableNode> nodes = inputTable.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++) {
PigMapUtil.detachNodeConnections(nodes.get(i), mapData);
unUsed.add(nodes.get(i));
}
nodes.removeAll(unUsed);
}
}
// re-build the connections in case any unnecessary connections are created because of previous
// bugs and can't
// be deleted
if (inputTable.isLookup()) {
rebuildInputNodesConnections(inputTable.getNodes(), mapData);
}
}