org.hibernate.dialect.pagination.LimitHelper Maven / Gradle / Ivy
package org.hibernate.dialect.pagination;
import org.hibernate.engine.spi.RowSelection;
/**
* @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
*/
public class LimitHelper {
public static boolean useLimit(LimitHandler limitHandler, RowSelection selection) {
return limitHandler.supportsLimit() && hasMaxRows( selection );
}
public static boolean hasFirstRow(RowSelection selection) {
return getFirstRow( selection ) > 0;
}
public static int getFirstRow(RowSelection selection) {
return ( selection == null || selection.getFirstRow() == null ) ? 0 : selection.getFirstRow();
}
public static boolean hasMaxRows(RowSelection selection) {
return selection != null && selection.getMaxRows() != null && selection.getMaxRows() > 0;
}
}