private void setRelationalUpdateValues(
List<ParsedPropertyReplacement> replacementProps,
FeatureTypeMapping ftMapping,
PreparedStatement stmt,
IdFilter filter,
FIDMapping fidMapping)
throws SQLException {
int i = 1;
for (ParsedPropertyReplacement replacement : replacementProps) {
Property replacementProp = replacement.getNewValue();
QName propName = replacementProp.getType().getName();
Mapping mapping = ftMapping.getMapping(propName);
if (mapping != null) {
if (mapping.getJoinedTable() != null && !mapping.getJoinedTable().isEmpty()) {
continue;
}
Object value = replacementProp.getValue();
if (value != null) {
ParticleConverter<TypedObjectNode> converter =
(ParticleConverter<TypedObjectNode>) fs.getConverter(mapping);
if (mapping instanceof PrimitiveMapping) {
MappingExpression me = ((PrimitiveMapping) mapping).getMapping();
if (!(me instanceof DBField)) {
continue;
}
converter.setParticle(stmt, (PrimitiveValue) value, i++);
} else if (mapping instanceof GeometryMapping) {
MappingExpression me = ((GeometryMapping) mapping).getMapping();
if (!(me instanceof DBField)) {
continue;
}
converter.setParticle(stmt, (Geometry) value, i++);
}
} else {
stmt.setObject(i++, null);
}
}
}
for (String id : filter.getMatchingIds()) {
IdAnalysis analysis = schema.analyzeId(id);
int j = i;
for (String fidKernel : analysis.getIdKernels()) {
PrimitiveValue value =
new PrimitiveValue(fidKernel, new PrimitiveType(fidMapping.getColumnType()));
Object sqlValue = SQLValueMangler.internalToSQL(value);
stmt.setObject(j++, sqlValue);
}
stmt.addBatch();
}
}
private String createRelationalUpdateStatement(
FeatureTypeMapping ftMapping,
FIDMapping fidMapping,
List<ParsedPropertyReplacement> replacementProps,
List<ResourceId> list)
throws FilterEvaluationException, FeatureStoreException, SQLException {
StringBuffer sql = new StringBuffer("UPDATE ");
sql.append(ftMapping.getFtTable());
sql.append(" SET ");
boolean first = true;
for (ParsedPropertyReplacement replacement : replacementProps) {
Property replacementProp = replacement.getNewValue();
QName propName = replacementProp.getType().getName();
Mapping mapping = ftMapping.getMapping(propName);
if (mapping != null) {
if (mapping.getJoinedTable() != null && !mapping.getJoinedTable().isEmpty()) {
addRelationallyMappedMultiProperty(replacement, mapping, ftMapping, list);
continue;
}
String column = null;
ParticleConverter<TypedObjectNode> converter =
(ParticleConverter<TypedObjectNode>) fs.getConverter(mapping);
if (mapping instanceof PrimitiveMapping) {
MappingExpression me = ((PrimitiveMapping) mapping).getMapping();
if (!(me instanceof DBField)) {
continue;
}
column = ((DBField) me).getColumn();
if (!first) {
sql.append(",");
} else {
first = false;
}
sql.append(column);
sql.append("=");
// TODO communicate value for non-prepared statement converters
sql.append(converter.getSetSnippet(null));
} else if (mapping instanceof GeometryMapping) {
MappingExpression me = ((GeometryMapping) mapping).getMapping();
if (!(me instanceof DBField)) {
continue;
}
column = ((DBField) me).getColumn();
if (!first) {
sql.append(",");
} else {
first = false;
}
sql.append(column);
sql.append("=");
// TODO communicate value for non-prepared statement converters
sql.append(converter.getSetSnippet(null));
} else {
LOG.warn(
"Updating of " + mapping.getClass() + " is currently not implemented. Omitting.");
continue;
}
} else {
LOG.warn("No mapping for update property '" + propName + "'. Omitting.");
}
}
// only property changes in multi properties?
if (first) {
return null;
}
sql.append(" WHERE ");
sql.append(fidMapping.getColumns().get(0).first);
sql.append("=?");
for (int i = 1; i < fidMapping.getColumns().size(); i++) {
sql.append(" AND ");
sql.append(fidMapping.getColumns().get(i));
sql.append("=?");
}
return sql.toString();
}
private void deleteJoinedRows(Mapping particle, Map<SQLIdentifier, Object> keyColToValue)
throws FeatureStoreException {
// TODO: After FeatureTypeJoin is introduced, rework this case (may allow joins)
if (particle instanceof FeatureMapping) {
return;
}
// determine and delete joined rows
if (particle.getJoinedTable() != null && !particle.getJoinedTable().isEmpty()) {
TableJoin tableJoin = particle.getJoinedTable().get(0);
PreparedStatement stmt = null;
try {
StringBuilder sql = new StringBuilder("SELECT ");
boolean first = true;
for (SQLIdentifier selectColumn : tableJoin.getToColumns()) {
if (!first) {
sql.append(',');
} else {
first = false;
}
sql.append("X2.");
sql.append(selectColumn);
}
sql.append(" FROM ");
sql.append(tableJoin.getFromTable());
sql.append(" X1,");
sql.append(tableJoin.getToTable());
sql.append(" X2");
sql.append(" WHERE");
first = true;
int i = 0;
for (SQLIdentifier fromColumn : tableJoin.getFromColumns()) {
SQLIdentifier toColumn = tableJoin.getToColumns().get(i++);
if (!first) {
sql.append(',');
} else {
first = false;
}
sql.append(" X1.");
sql.append(fromColumn);
sql.append("=");
sql.append("X2.");
sql.append(toColumn);
first = false;
}
for (Entry<SQLIdentifier, Object> joinKey : keyColToValue.entrySet()) {
sql.append(" AND X1.");
sql.append(joinKey.getKey());
sql.append("=?");
first = false;
}
stmt = conn.prepareStatement(sql.toString());
i = 1;
for (Entry<SQLIdentifier, Object> joinKey : keyColToValue.entrySet()) {
stmt.setObject(i++, joinKey.getValue());
}
LOG.debug("Executing SELECT (following join): " + stmt);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
Map<SQLIdentifier, Object> joinKeyToValue = new HashMap<SQLIdentifier, Object>();
i = 1;
for (SQLIdentifier toColumn : tableJoin.getToColumns()) {
joinKeyToValue.put(toColumn, rs.getObject(i++));
}
deleteJoinedRows(particle, tableJoin, joinKeyToValue);
}
} catch (SQLException e) {
LOG.error(e.getMessage(), e);
throw new FeatureStoreException(e.getMessage(), e);
} finally {
JDBCUtils.close(stmt);
}
} else {
// process compound particle structure
if (particle instanceof CompoundMapping) {
CompoundMapping cm = (CompoundMapping) particle;
for (Mapping child : cm.getParticles()) {
deleteJoinedRows(child, keyColToValue);
}
}
}
}