| |
|
| import java.io.ObjectInputStream.GetField; |
|
| import java.math.BigInteger; |
|
| import java.security.MessageDigest; |
|
| import java.security.NoSuchAlgorithmException; |
|
| import java.sql.Connection; |
import java.sql.Connection; |
| import java.sql.DriverManager; |
import java.sql.DriverManager; |
| import java.sql.ResultSet; |
import java.sql.ResultSet; |
| import java.sql.SQLException; |
import java.sql.SQLException; |
| import java.sql.SQLWarning; |
import java.sql.SQLWarning; |
| import java.sql.Statement; |
import java.sql.Statement; |
| import java.util.HashMap; |
import java.util.HashMap; |
| import java.util.Map; |
|
| |
|
| import org.neo4j.graphdb.DynamicRelationshipType; |
import org.neo4j.graphdb.DynamicRelationshipType; |
| import org.neo4j.graphdb.GraphDatabaseService; |
import org.neo4j.graphdb.GraphDatabaseService; |
| import org.neo4j.graphdb.Node; |
import org.neo4j.graphdb.Node; |
| import org.neo4j.graphdb.index.BatchInserterIndex; |
import org.neo4j.graphdb.index.BatchInserterIndex; |
| import org.neo4j.graphdb.index.BatchInserterIndexProvider; |
import org.neo4j.graphdb.index.BatchInserterIndexProvider; |
| import org.neo4j.helpers.collection.MapUtil; |
import org.neo4j.helpers.collection.MapUtil; |
| |
import org.neo4j.index.impl.lucene.LuceneBatchInserterIndexProvider; |
| import org.neo4j.kernel.impl.batchinsert.BatchInserter; |
import org.neo4j.kernel.impl.batchinsert.BatchInserter; |
| import org.neo4j.kernel.impl.batchinsert.BatchInserterImpl; |
import org.neo4j.kernel.impl.batchinsert.BatchInserterImpl; |
| import org.neo4j.index.impl.lucene.*; |
|
| |
|
| public class Importer { |
public class Importer { |
| |
|
| public static void main(String[] argv) { |
public static void main(String[] argv) { |
| BatchInserter inserter = new BatchInserterImpl("target/neo4jdb-batchinsert"); |
BatchInserter inserter = new BatchInserterImpl("target/neo4jdb-batchinsert"); |
| BatchInserterIndexProvider indexProvider = new LuceneBatchInserterIndexProvider(inserter); |
BatchInserterIndexProvider indexProvider = new LuceneBatchInserterIndexProvider(inserter); |
| BatchInserterIndex labels = indexProvider.nodeIndex("labels", MapUtil.stringMap("type", "exact")); |
BatchInserterIndex labels = indexProvider.nodeIndex("labels", MapUtil.stringMap("type", "exact")); |
| labels.setCacheCapacity("Label", 100000); |
labels.setCacheCapacity("Label", 100000); |
| |
|
| |
|
| |
|
| System.out.println("-------- PostgreSQL " |
System.out.println("-------- PostgreSQL " |
| + "JDBC Connection Testing ------------"); |
+ "JDBC Connection Testing ------------"); |
| |
|
| try { |
try { |
| |
|
| Class.forName("org.postgresql.Driver"); |
Class.forName("org.postgresql.Driver"); |
| |
|
| } catch (ClassNotFoundException e) { |
} catch (ClassNotFoundException e) { |
| |
|
| System.out.println("Where is your PostgreSQL JDBC Driver? " |
System.out.println("Where is your PostgreSQL JDBC Driver? " |
| + "Include in your library path!"); |
+ "Include in your library path!"); |
| e.printStackTrace(); |
e.printStackTrace(); |
| |
|
| } |
} |
| |
|
| System.out.println("PostgreSQL JDBC Driver Registered!"); |
System.out.println("PostgreSQL JDBC Driver Registered!"); |
| |
|
| Connection conn = null; |
Connection conn = null; |
| |
|
| try { |
try { |
| |
|
| conn = DriverManager.getConnection( |
conn = DriverManager.getConnection( |
| "jdbc:postgresql://127.0.0.1:5432/contractDashboard", |
"jdbc:postgresql://127.0.0.1:5432/contractDashboard", |
| "postgres", "snmc"); |
"postgres", "snmc"); |
| |
|
| } catch (SQLException e) { |
} catch (SQLException e) { |
| |
|
| System.out.println("Connection Failed! Check output console"); |
System.out.println("Connection Failed! Check output console"); |
| e.printStackTrace(); |
e.printStackTrace(); |
| |
|
| } |
} |
| |
|
| if (conn != null) { |
if (conn != null) { |
| System.out.println("You made it, take control your database now!"); |
System.out.println("You made it, take control your database now!"); |
| } else { |
} else { |
| System.out.println("Failed to make connection!"); |
System.out.println("Failed to make connection!"); |
| } |
} |
| try { |
try { |
| // Print all warnings |
// Print all warnings |
| for (SQLWarning warn = conn.getWarnings(); warn != null; warn = warn.getNextWarning()) { |
for (SQLWarning warn = conn.getWarnings(); warn != null; warn = warn.getNextWarning()) { |
| System.out.println("SQL Warning:"); |
System.out.println("SQL Warning:"); |
| System.out.println("State : " + warn.getSQLState()); |
System.out.println("State : " + warn.getSQLState()); |
| System.out.println("Message: " + warn.getMessage()); |
System.out.println("Message: " + warn.getMessage()); |
| System.out.println("Error : " + warn.getErrorCode()); |
System.out.println("Error : " + warn.getErrorCode()); |
| } |
} |
| |
|
| // Get a statement from the connection |
// Get a statement from the connection |
| Statement stmt = conn.createStatement(); |
Statement stmt = conn.createStatement(); |
| |
|
| // Execute the query |
// Execute the query |
| ResultSet rs = stmt.executeQuery("SELECT contractnotice.\"agencyName\", " |
ResultSet rs = stmt.executeQuery("SELECT contractnotice.\"agencyName\", " |
| + " contractnotice.\"supplierABN\",contractnotice.\"supplierName\",sum(value) as sum " |
+ " contractnotice.\"supplierABN\",contractnotice.\"supplierName\",sum(value) as sum " |
| + "FROM public.contractnotice where contractnotice.\"agencyName\" != 'Department of Defence'" |
+ "FROM public.contractnotice GROUP BY contractnotice.\"agencyName\", " |
| + " AND contractnotice.\"agencyName\" != 'Defence Materiel Organisation' GROUP BY contractnotice.\"agencyName\", " |
|
| + " contractnotice.\"supplierABN\",contractnotice.\"supplierName\""); |
+ " contractnotice.\"supplierABN\",contractnotice.\"supplierName\""); |
| String previousAgency = ""; |
String previousAgency = ""; |
| GraphDatabaseService gds = inserter.getGraphDbService(); |
GraphDatabaseService gds = inserter.getGraphDbService(); |
| HashMap<String, Long> supplierIDs = new HashMap<String, Long>(); |
HashMap<String, Long> supplierIDs = new HashMap<String, Long>(); |
| HashMap<String, Long> agencyIDs = new HashMap<String, Long>(); |
HashMap<String, Long> agencyIDs = new HashMap<String, Long>(); |
| |
|
| // Loop through the result set |
// Loop through the result set |
| while (rs.next()) { |
while (rs.next()) { |
| long supplierID, agencyID; |
long supplierID, agencyID; |
| String supplierKey; |
String supplierKey; |
| if (agencyIDs.get(rs.getString("agencyName")) == null) { |
if (agencyIDs.get(rs.getString("agencyName")) == null) { |
| Node myNode = gds.createNode(); |
Node myNode = gds.createNode(); |
| myNode.setProperty("Label", rs.getString("agencyName")); |
myNode.setProperty("Label", rs.getString("agencyName")); |
| myNode.setProperty("type", "agency"); |
myNode.setProperty("type", "agency"); |
| agencyIDs.put(rs.getString("agencyName"), myNode.getId()); |
agencyIDs.put(rs.getString("agencyName"), myNode.getId()); |
| if (myNode.getId() % 100 == 0) { |
if (myNode.getId() % 100 == 0) { |
| System.out.println("Agency " + myNode.getId()); |
System.out.println("Agency " + myNode.getId()); |
| } |
} |
| } |
} |
| agencyID = agencyIDs.get(rs.getString("agencyName")); |
agencyID = agencyIDs.get(rs.getString("agencyName")); |
| |
|
| |
|
| if (rs.getString("supplierABN") != "0" && rs.getString("supplierABN") != "") { |
if (rs.getString("supplierABN") != "0" && rs.getString("supplierABN") != "") { |
| supplierKey = rs.getString("supplierABN"); |
supplierKey = rs.getString("supplierABN"); |
| } else { |
} else { |
| supplierKey = rs.getString("supplierName"); |
supplierKey = rs.getString("supplierName"); |
| } |
} |
| // inject some data |
// inject some data |
| if (supplierIDs.get(supplierKey) == null) { |
if (supplierIDs.get(supplierKey) == null) { |
| Node myNode = gds.createNode(); |
Node myNode = gds.createNode(); |
| myNode.setProperty("Label", rs.getString("supplierName")); |
myNode.setProperty("Label", rs.getString("supplierName")); |
| myNode.setProperty("type", "supplier"); |
myNode.setProperty("type", "supplier"); |
| supplierIDs.put(supplierKey, myNode.getId()); |
supplierIDs.put(supplierKey, myNode.getId()); |
| if (myNode.getId() % 1000 == 0) { |
if (myNode.getId() % 1000 == 0) { |
| System.out.println("Supplier " + myNode.getId()); |
System.out.println("Supplier " + myNode.getId()); |
| } |
} |
| } |
} |
| supplierID = supplierIDs.get(supplierKey); |
supplierID = supplierIDs.get(supplierKey); |
| |
|
| |
|
| long rel = inserter.createRelationship(agencyID, supplierID, |
long rel = inserter.createRelationship(agencyID, supplierID, |
| DynamicRelationshipType.withName("KNOWS"), null); |
DynamicRelationshipType.withName("KNOWS"), null); |
| inserter.setRelationshipProperty(rel, "Weight", rs.getDouble("sum")); |
inserter.setRelationshipProperty(rel, "Weight", rs.getDouble("sum")); |
| |
|
| } |
} |
| // Close the result set, statement and the connection |
// Close the result set, statement and the connection |
| rs.close(); |
rs.close(); |
| stmt.close(); |
stmt.close(); |
| conn.close(); |
conn.close(); |
| } catch (SQLException se) { |
} catch (SQLException se) { |
| System.out.println("SQL Exception:"); |
System.out.println("SQL Exception:"); |
| |
|
| // Loop through the SQL Exceptions |
// Loop through the SQL Exceptions |
| while (se != null) { |
while (se != null) { |
| System.out.println("State : " + se.getSQLState()); |
System.out.println("State : " + se.getSQLState()); |
| System.out.println("Message: " + se.getMessage()); |
System.out.println("Message: " + se.getMessage()); |
| System.out.println("Error : " + se.getErrorCode()); |
System.out.println("Error : " + se.getErrorCode()); |
| |
|
| se = se.getNextException(); |
se = se.getNextException(); |
| } |
} |
| } |
} |
| //make the changes visible for reading, use this sparsely, requires IO! |
//make the changes visible for reading, use this sparsely, requires IO! |
| labels.flush(); |
labels.flush(); |
| |
|
| // Make sure to shut down the index provider |
// Make sure to shut down the index provider |
| indexProvider.shutdown(); |
indexProvider.shutdown(); |
| inserter.shutdown(); |
inserter.shutdown(); |
| } |
} |
| } |
} |