package com.idega.util.dbschema;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Map;
import com.idega.data.SimpleQuerier;
import com.idega.util.database.ConnectionBroker;
/**
*
*
* Last modified: $Date: 2004/11/01 10:05:31 $ by $Author: aron $
*
* @author <a href="mailto:aron@idega.com">aron</a>
* @version $Revision: 1.1 $
*/
public class SapDBSchemaAdapter extends SQLSchemaAdapter {
SapDBSchemaAdapter() {
super.useTransactionsInSchemaCreation = false;
}
public String getSQLType(String javaClassName, int maxlength) {
String theReturn;
if (javaClassName.equals("java.lang.Integer")) {
theReturn = "INTEGER";
}
else if (javaClassName.equals("java.lang.String")) {
if (maxlength < 0) {
theReturn = "VARCHAR(255)";
}
else if (maxlength <= 8000) {
theReturn = "VARCHAR(" + maxlength + ")";
}
else {
theReturn = "LONG VARCHAR";
}
}
else if (javaClassName.equals("java.lang.Boolean")) {
theReturn = "CHAR(1)";
}
else if (javaClassName.equals("java.lang.Float")) {
theReturn = "FLOAT";
}
else if (javaClassName.equals("java.lang.Double")) {
theReturn = "FLOAT(15)";
}
else if (javaClassName.equals("java.sql.Timestamp")) {
theReturn = "TIMESTAMP";
}
else if (javaClassName.equals("java.sql.Date") || javaClassName.equals("java.util.Date")) {
theReturn = "DATE";
}
else if (javaClassName.equals("java.sql.Blob")) {
theReturn = "BLOB";
}
else if (javaClassName.equals("java.sql.Time")) {
theReturn = "TIME";
}
else if (javaClassName.equals("com.idega.util.Gender")) {
theReturn = "VARCHAR(1)";
}
else if (javaClassName.equals("com.idega.data.BlobWrapper")) {
theReturn = "LONG BYTE";
}
else {
theReturn = "";
}
return theReturn;
}
/* (non-Javadoc)
* @see com.idega.data.store.DatastoreInterface#createTrigger( com.idega.data.EntityDefinition)
*/
public void createTrigger(Schema entity) throws Exception {
createSequence(entity);
}
public void createSequence(Schema entity) throws Exception {
createSequence(entity, 1);
}
public void createSequence(Schema entity, int startNumber) throws Exception {
String seqCreate =
"create sequence "
+ entity.getSQLName()
+ "_seq INCREMENT BY 1 START WITH "
+ startNumber
+ " MAXVALUE 1.0E28 MINVALUE 0 NOCYCLE CACHE 20 NOORDER";
executeUpdate(seqCreate);
}
public boolean updateTriggers(Schema entity, boolean createIfNot) throws Exception {
Connection conn = null;
Statement Stmt = null;
ResultSet rs = null;
boolean returner = false;
try {
conn = getConnection();
Stmt = conn.createStatement();
boolean sequenceExists = false;
String seqSQL = "select * from DOMAIN.SEQUENCES where SEQUENCE_NAME = '"+getSequenceName(entity)+"'";
try {
rs = Stmt.executeQuery(seqSQL.toUpperCase());
if (rs != null && rs.next()) {
sequenceExists = true;
}
} catch (Exception e) {
e.printStackTrace();
log("Error finding sequence table");
} finally {
rs.close();
}
if (sequenceExists) {
returner = true;
}
else if (createIfNot) {
String maxSQL = "select max ("+entity.getPrimaryKey().getColumn().getSQLName()+") as MAX_ID from "+entity.getSQLName();
int valueToSet = 1;
try {
rs = Stmt.executeQuery(maxSQL);
if (rs != null && rs.next()) {
String sMax = rs.getString("MAX_ID");
if (sMax != null) {
valueToSet = Integer.parseInt(sMax);
}
}
createSequence(entity, valueToSet);
}
catch (NumberFormatException e) {
//UPDATE TRIGGER ignored
//Not numeric value in primary key field in table "+entity.getEntityName())
}
catch (Exception e) {
e.printStackTrace();
} finally {
rs.close();
}
returner = true;
}
}
finally {
if (Stmt != null) {
Stmt.close();
}
if (conn != null) {
freeConnection(conn);
}
}
return returner;
}
public void removeSchema(Schema entity) throws Exception {
//deleteTrigger(entity);
deleteSequence(entity);
super.removeSchema(entity);
}
protected void deleteTrigger(Schema entity) throws Exception {
executeUpdate("drop trigger " + entity.getSQLName() + "_trig");
}
protected void deleteSequence(Schema entity) throws Exception {
executeUpdate("drop sequence " + entity.getSQLName() + "_seq");
}
protected String getCreateUniqueIDQuery(Schema entity) {
return "SELECT " + getSequenceName(entity) + ".NEXTVAL FROM dual";
}
private String getSequenceName(Schema entity) {
String entityName = entity.getSQLName();
return entityName + "_seq";
}
public void setNumberGeneratorValue(Schema entity, int value) {
//throw new RuntimeException("setSequenceValue() not implemented for "+this.getClass().getName());
//String statement = "update sequences set last_number="+value+" where sequence_name='"+this.getSequenceName(entity)+"'";
String statement = "drop sequence " + this.getSequenceName(entity);
try {
this.executeUpdate( statement);
this.createSequence(entity, value + 1);
}
catch (Exception e) {
e.printStackTrace();
}
}
public static boolean correctSequenceValue(Connection conn) {
boolean theReturn = true;
String[] types = new String[2];
types[0] = "TABLE";
types[1] = "VIEW";
try {
java.sql.ResultSet RS = getInstanceDetected(conn).getDatabaseMetaData().getTables(null, null, "%", types);
while (RS.next()) {
try {
String tableName = RS.getString("TABLE_NAME");
System.err.println("tableName = " + tableName);
boolean value = correctSequenceValue(conn, tableName);
System.err.println("done = " + value);
}
catch (Exception ex) {
ex.printStackTrace();
theReturn = false;
}
}
}
catch (Exception e) {
e.printStackTrace();
theReturn = false;
}
return theReturn;
}
public static boolean correctSequenceValue(Connection conn, String tableName) {
boolean theReturn = false;
String startNumberStatement = "select max(" + tableName + "_id) from " + tableName;
String statement = "drop sequence " + tableName + "_seq";
try {
int value = SimpleQuerier.executeIntQuery(startNumberStatement, conn);
if (value != -1) {
executeUpdate(conn, statement);
createSequence(conn, tableName, value + 1);
theReturn = true;
}
else {
theReturn = false;
}
}
catch (Exception e) {
e.printStackTrace();
theReturn = false;
}
return theReturn;
}
private static void createSequence(Connection conn, String tableName, int startNumber) throws Exception {
Statement Stmt = null;
try {
Stmt = conn.createStatement();
String seqCreate =
"create sequence "
+ tableName
+ "_seq INCREMENT BY 1 START WITH "
+ startNumber
+ " MAXVALUE 1.0E28 MINVALUE 0 NOCYCLE CACHE 20 NOORDER";
Stmt.executeUpdate(seqCreate);
}
finally {
if (Stmt != null) {
Stmt.close();
}
// if (conn != null){
// entity.freeConnection(conn);
// }
}
}
private static int executeUpdate(Connection conn, String SQLCommand) throws Exception {
Statement Stmt = null;
int theReturn = 0;
try {
Stmt = conn.createStatement();
System.out.println(SQLCommand);
theReturn = Stmt.executeUpdate(SQLCommand);
}
finally {
if (Stmt != null) {
Stmt.close();
}
// if (conn != null) {
// entity.freeConnection(conn);
// }
}
return theReturn;
}
public Map getTableIndexes(String dataSourceName, String tableName) {
Connection conn = null;
ResultSet rs = null;
Statement Stmt = null;
HashMap hm = new HashMap();
try {
conn = ConnectionBroker.getConnection(dataSourceName);
Stmt = conn.createStatement();
rs = Stmt.executeQuery("select INDEXNAME as INDEX_NAME, COLUMNNAME as COLUMN_NAME from DOMAIN.INDEXCOLUMNS where TABLENAME = '"+tableName.toUpperCase()+"'");
// Check for upper case
handleIndexRS(rs, hm);
rs.close();
// Check for lower case
if (hm.isEmpty()) {
rs = Stmt.executeQuery("select INDEXNAME as INDEX_NAME, COLUMNNAME as COLUMN_NAME from DOMAIN.INDEXCOLUMNS where TABLENAME = '"+tableName.toLowerCase()+"'");
handleIndexRS(rs, hm);
rs.close();
}
// Check without any case manipulating, this can be removed if we always
// force uppercase
if (hm.isEmpty()) {
rs = Stmt.executeQuery("select INDEXNAME as INDEX_NAME, COLUMNNAME as COLUMN_NAME from DOMAIN.INDEXCOLUMNS where TABLENAME = '"+tableName+"'");
handleIndexRS(rs, hm);
rs.close();
}
}
catch (SQLException e) {
e.printStackTrace();
}
finally {
try {
if (rs != null) {
rs.close();
}
if (Stmt != null) {
Stmt.close();
}
} catch (Exception e) {
logWarning("Failed to close ResultSet or Statement ("+e.getMessage()+")");
}
if (conn != null) {
ConnectionBroker.freeConnection(conn);
}
}
return hm;
/*
* if(v!=null && !v.isEmpty()) return (String[])v.toArray(new String[0]);
* return null;
*/
}
}