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ReplaceColumnUtil.java
81 lines (68 loc) · 2.57 KB
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ReplaceColumnUtil.java
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/*******************************************************************************
* Copyright (c) 2020 Bird Software Solutions Ltd
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Neil Mackenzie - initial API and implementation
*******************************************************************************/
package org.eclipse.efbt.trl.component.translator;
import java.util.Iterator;
import org.eclipse.efbt.almengine.model.cubes.cubes.FreeBirdToolsCube;
import org.eclipse.efbt.bird.core.VARIABLE;
import org.eclipse.efbt.trl.model.trl.trl_sql_views.IgnoreColumn;
import org.eclipse.efbt.trl.model.trl.trl_sql_views.JoinView;
import org.eclipse.efbt.trl.model.trl.trl_sql_views.RenameAs;
import org.eclipse.efbt.trl.model.trl.trl_sql_views.SQLView;
/**
* @author Neil Mackenzie
*
*/
public class ReplaceColumnUtil {
/**
* Gets the replaced a column in a JoinView
*
* @param joinView
* @param view
* @param item
* @return
*/
public static VARIABLE replaceColumn(JoinView joinView, SQLView view, VARIABLE item) {
FreeBirdToolsCube cube = view.getCube();
return replaceColumn(joinView, cube, item);
}
/**
* @param joinView
* @param cube
* @param item
* @return
*/
public static VARIABLE replaceColumn(JoinView joinView, FreeBirdToolsCube cube, VARIABLE item) {
VARIABLE returnDimension = item;
if (((JoinView) joinView).getIgnores() != null) {
Iterator<IgnoreColumn> iter = ((JoinView) joinView).getIgnores().iterator();
while (iter.hasNext()) {
IgnoreColumn ignore = iter.next();
FreeBirdToolsCube inputCube = ignore.getCube();
VARIABLE inputcol = ignore.getColumnToIgnore();
if (cube.equals(inputCube) && inputcol.equals(item))
returnDimension = null;
}
}
if (((JoinView) joinView).getRenames() != null && returnDimension != null) {
Iterator<RenameAs> iter = ((JoinView) joinView).getRenames().iterator();
while (iter.hasNext()) {
RenameAs rename = iter.next();
FreeBirdToolsCube inputCube = rename.getFromCube();
VARIABLE inputcol = rename.getFromVariable();
if (cube.equals(inputCube) && inputcol.equals(item))
returnDimension = (VARIABLE) rename.getToVariable();
}
}
return returnDimension;
}
}