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IDEMPIERE-314 Performance: Use map for the looking up of column index by ColumnName or AD_Column_ID

This commit is contained in:
Heng Sin Low 2012-06-20 16:07:53 +08:00
parent a65bdc0fbb
commit f16c6291db
1 changed files with 22 additions and 14 deletions
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36
org.adempiere.base/src/org/compiere/model/POInfo.java
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@ -22,6 +22,8 @@ import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Level;
@ -126,7 +128,10 @@ public class POInfo implements Serializable
private boolean m_hasKeyColumn = false;
/** Table needs keep log*/
private boolean m_IsChangeLog = false;
/** column name to index map **/
private Map<String, Integer> m_columnNameMap;
/** ad_column_id to index map **/
private Map<Integer, Integer> m_columnIdMap;
/**
* Load Table/Column Info
@ -135,6 +140,8 @@ public class POInfo implements Serializable
*/
private void loadInfo (boolean baseLanguage, String trxName)
{
m_columnNameMap = new HashMap<String, Integer>();
m_columnIdMap = new HashMap<Integer, Integer>();
ArrayList<POInfoColumn> list = new ArrayList<POInfoColumn>(15);
StringBuffer sql = new StringBuffer();
sql.append("SELECT t.TableName, c.ColumnName,c.AD_Reference_ID," // 1..3
@ -205,6 +212,9 @@ public class POInfo implements Serializable
IsTranslated, IsEncrypted,
IsAllowLogging, IsAllowCopy);
list.add(col);
m_columnNameMap.put(ColumnName.toUpperCase(), list.size() - 1);
m_columnIdMap.put(AD_Column_ID, list.size() - 1);
}
}
catch (SQLException e)
@ -293,11 +303,10 @@ public class POInfo implements Serializable
*/
public int getColumnIndex (String ColumnName)
{
for (int i = 0; i < m_columns.length; i++)
{
if (ColumnName.equalsIgnoreCase(m_columns[i].ColumnName)) // teo_sarca : modified to compare ignoring case [ 1619179 ]
return i;
}
Integer i = m_columnNameMap.get(ColumnName.toUpperCase());
if (i != null)
return i.intValue();
return -1;
} // getColumnIndex
@ -308,11 +317,10 @@ public class POInfo implements Serializable
*/
public int getColumnIndex (int AD_Column_ID)
{
for (int i = 0; i < m_columns.length; i++)
{
if (AD_Column_ID == m_columns[i].AD_Column_ID)
return i;
}
Integer i = m_columnIdMap.get(AD_Column_ID);
if (i != null)
return i.intValue();
return -1;
} // getColumnIndex
@ -731,11 +739,11 @@ public class POInfo implements Serializable
/**
* Build select clause
* @return stringbuffer
* @return stringbuilder
*/
public StringBuffer buildSelect()
public StringBuilder buildSelect()
{
StringBuffer sql = new StringBuffer("SELECT ");
StringBuilder sql = new StringBuilder("SELECT ");
int size = getColumnCount();
for (int i = 0; i < size; i++)
{