public Artifact[] getArtifacts(int columnNumber) {
Artifact[] colValues = null;
for (Iterator iter = result.entrySet().iterator(); iter.hasNext(); ) {
Map.Entry element = (Map.Entry) iter.next();
String rsName = (String) element.getKey();
PQLResultSet prs = (PQLResultSet) element.getValue();
colValues = new Artifact[prs.getMetaData().getRowCount()];
for (int i = 0; i < prs.getMetaData().getRowCount(); i++) {
// for (int j = 0; j < prs.getColumnCount(); j++) {
// Notice a cast is required
// todo --- but will this cast work always, thought this was not always PQLData
Object data = prs.getValue(i, columnNumber);
if (data instanceof PQLValueHolder) {
PQLValueHolder pqldata = (PQLValueHolder) prs.getValue(i, columnNumber).getValue();
// colValues[i]= new ArtifactImpl(pqldata); TODO - FIXME
// fetch all the attributes and relationship for the PQLData
// pql.fetch(data);
// Print PQLData fetch with all the attributes and relationship
// System.out.println(data.toString(true, true));
// }
} else {
colValues[i] = new ArtifactImpl((PQLArtifact) data, parent);
}
}
}
return colValues;
}
public String[] getArtifactNames(Object key) {
String[] n = null;
Object r = result.get(key);
if (r instanceof PQLResultSet) {
PQLResultSet rpql = (PQLResultSet) r;
n = new String[rpql.getMetaData().getRowCount()];
for (int row = 0; row < rpql.getMetaData().getRowCount(); row++) {
PQLArtifact[] rowData = rpql.getRow(row);
String s = "";
for (int i = 0; i < rowData.length; i++) {
if (s.length() != 0) s += ", ";
if (rowData[i].getValue() instanceof PQLValueHolder) {
PQLValueHolder holder = ((PQLValueHolder) rowData[i].getValue());
s += holder.getName();
} else {
s += rowData[i].getValue();
}
}
n[row] = s;
}
} else {
n = new String[1];
n[0] = r.toString();
}
return n;
}
public List matchArtifacts(int columnNumber, Pattern pattern) {
List artifacts = new ArrayList();
for (Iterator iter = result.entrySet().iterator(); iter.hasNext(); ) {
Map.Entry element = (Map.Entry) iter.next();
String rsName = (String) element.getKey();
PQLResultSet prs = (PQLResultSet) element.getValue();
for (int i = 0; i < prs.getMetaData().getRowCount(); i++) {
Object data = prs.getValue(i, columnNumber);
if (data instanceof PQLArtifact) {
PQLArtifact pqlArtifact = (PQLArtifact) data;
if (!pqlArtifact.isPrimitive()) {
PQLValueHolder vlh = (PQLValueHolder) pqlArtifact.getValue();
Matcher matcher = pattern.matcher(vlh.getName());
if (matcher.matches()) {
Artifact artifact;
artifact = new ArtifactImpl((PQLArtifact) data, parent);
artifacts.add(artifact);
}
}
}
}
}
return artifacts;
}
public String getType() {
String type;
if (isEmpty()) return "";
Object rsObj = result.values().iterator().next();
if (rsObj instanceof PQLResultSet) {
PQLResultSet rs = (PQLResultSet) rsObj;
type = rs.getMetaData().getType();
} else {
type = "string";
}
return type;
}
// It is a linear search - base on profiling & usage, we may re-implement
// using a indexed search
public Artifact findArtifact(int columnNumber, Object target, Comparator artifactComparator) {
Artifact artifact = null;
for (Iterator iter = result.entrySet().iterator(); iter.hasNext(); ) {
Map.Entry element = (Map.Entry) iter.next();
String rsName = (String) element.getKey();
PQLResultSet prs = (PQLResultSet) element.getValue();
for (int i = 0; i < prs.getMetaData().getRowCount(); i++) {
Object data = prs.getValue(i, columnNumber);
if (data instanceof PQLArtifact) {
if (artifactComparator.compare(target, data) == 0) {
artifact = new ArtifactImpl((PQLArtifact) data, parent);
break;
}
}
}
}
return artifact;
}