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