com.genexus.db.DataStoreHelperBase Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gxandroid Show documentation

Core classes for the runtime used by Java and Android apps generated with GeneXus

There is a newer version: 4.7.0

package com.genexus.db;
					   
import com.genexus.IHttpContext;
import com.genexus.ModelContext;

/**
 * This is the base class for the generated set of 'foreachs' for one datastore
 * in one GX object. It's just an utility class, to avoid to generate the code for this
 * methods if they have the default values.
 *
 * @version	1.0, 15/11/00
 * @author	Andres Aguiar
 * @since	Solis
 */
import com.genexus.db.IFieldGetter;
import java.sql.SQLException;
public abstract class DataStoreHelperBase 
{
	public com.genexus.LocalUtil localUtil = com.genexus.Application.getClientLocalUtil();
	
	public String Gx_ope ;
	public String Gx_etb ;	
	
	public static final int GX_NOMASK		 =  0;
	public static final int GX_MASKLOCKERR   =  1;
	public static final int GX_MASKNOTFOUND  =  2;
	public static final int GX_MASKDUPKEY    =  4;
	public static final int GX_MASKOBJEXIST  =  8;
	public static final int GX_MASKLOOPLOCK  = 16;
	public static final int GX_MASKFOREIGNKEY = 32;
	public static final int GX_ROLLBACKSAVEPOINT = CommonDataStoreHelperBase.GX_ROLLBACKSAVEPOINT;
	static final String AND = " and ";
	static final String WHERE = " WHERE ";

	/**
     * Returns the default connection provider. This method will be overriden if the
     * object is going to run inside a container that provides another way to get the
     * connection (ie inside Oracle).
     */
	public IConnectionProvider getConnectionProvider()
	{
		return new DefaultConnectionProvider();
	}

	/**
     * This indicates if the connection to the datastore should be read-only or not. All
	 * the foreachs in the object/datastore should use the same connection pool (this is
	 * a change from 7.0)
     * @return true if it should use a read-only connection, false if it should use a read-write connection
     */
	public boolean needsReadOnlyConnection()
	{
		return false;
	}

	/**
     * Returns the data store name. The default implementation returns the default name.
     */
	public String getDataStoreName()
	{
		return "DEFAULT";
	}
	
	public Object[] getDynamicStatement( int cursor ,  ModelContext context, int remoteHandle, IHttpContext httpContext, Object [] dynConstraints )
	{
		return null;
	}

	public void getErrorResults(int cursor, IFieldGetter rslt, Object[] buf) throws SQLException
	{ 
	}
	
	public void setParametersRT(int cursor, IFieldSetter stmt, Object[] buffers)
	{
	}

	public void addWhere(StringBuffer currentWhere, String condition)
	{
		if (currentWhere.length() > 0)
			currentWhere.append(AND);
		else
			currentWhere.append(WHERE);
		currentWhere.append(condition);
	}

}