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//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
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package org.talend.cwm.compare;
import org.apache.commons.lang.StringUtils;
import org.eclipse.emf.compare.Comparison;
import org.eclipse.emf.compare.match.eobject.EditionDistance;
import org.eclipse.emf.compare.match.eobject.WeightProvider.Descriptor.Registry;
import org.eclipse.emf.ecore.EObject;
import org.talend.core.model.metadata.MetadataTable;
import org.talend.core.model.metadata.builder.connection.DatabaseConnection;
import org.talend.core.model.metadata.builder.connection.MetadataColumn;
import org.talend.cwm.relational.TdColumn;
import org.talend.cwm.relational.TdExpression;
import org.talend.cwm.relational.TdSqlDataType;
import org.talend.cwm.relational.TdTable;
import org.talend.cwm.relational.TdView;
import orgomg.cwm.objectmodel.core.TaggedValue;
import orgomg.cwm.resource.relational.Catalog;
import orgomg.cwm.resource.relational.Schema;
/**
* created by qiongli on 2015年2月4日 Detailled comment
*
*/
public class ModelElementEditonDistance extends EditionDistance {
/**
* DOC qiongli ModelElementEditonDistance constructor comment.
*
* @param registry
*/
public ModelElementEditonDistance(Registry registry) {
super(registry);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.compare.match.eobject.EditionDistance#distance(org.eclipse.emf.compare.Comparison,
* org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EObject)
*/
@Override
public double distance(Comparison inProgress, EObject a, EObject b) {
boolean isSame = false;
if (a instanceof DatabaseConnection) {
return 0;
}
if (a instanceof Catalog && b instanceof Catalog) {
Catalog catalog1 = (Catalog) a;
Catalog catalog2 = (Catalog) b;
isSame = StringUtils.equalsIgnoreCase(catalog1.getName(), catalog2.getName());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof Schema && b instanceof Schema) {
Schema schema1 = (Schema) a;
Schema schema2 = (Schema) b;
isSame = StringUtils.equalsIgnoreCase(schema1.getName(), schema2.getName());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof TdTable && b instanceof TdTable) {
TdTable tdTable1 = (TdTable) a;
TdTable tdTable2 = (TdTable) b;
isSame = StringUtils.equalsIgnoreCase(tdTable1.getName(), tdTable2.getName());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof TdView && b instanceof TdView) {
TdView tdView1 = (TdView) a;
TdView tdView2 = (TdView) b;
isSame = StringUtils.equalsIgnoreCase(tdView1.getName(), tdView2.getName());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof TdColumn && b instanceof TdColumn) {
TdColumn tdColumn1 = (TdColumn) a;
TdColumn tdColumn2 = (TdColumn) b;
isSame = StringUtils.equalsIgnoreCase(tdColumn1.getName(), tdColumn2.getName())
&& distance(inProgress, tdColumn1.getSqlDataType(), tdColumn2.getSqlDataType()) == 0;
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof TaggedValue && b instanceof TaggedValue) {
TaggedValue taggedValue1 = (TaggedValue) a;
TaggedValue taggedValue2 = (TaggedValue) b;
isSame = StringUtils.equalsIgnoreCase(taggedValue1.getTag(), taggedValue2.getTag())
&& StringUtils.equalsIgnoreCase(taggedValue1.getValue(), taggedValue2.getValue());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof TdExpression && b instanceof TdExpression) {
TdExpression tdExpression1 = (TdExpression) a;
TdExpression tdExpression2 = (TdExpression) b;
isSame = StringUtils.equalsIgnoreCase(tdExpression1.getLanguage(), tdExpression2.getLanguage())
&& StringUtils.equalsIgnoreCase(tdExpression1.getBody(), tdExpression2.getBody());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof TdSqlDataType && b instanceof TdSqlDataType) {
TdSqlDataType tdExpression1 = (TdSqlDataType) a;
TdSqlDataType tdExpression2 = (TdSqlDataType) b;
isSame = StringUtils.equalsIgnoreCase(tdExpression1.getName(), tdExpression2.getName());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof MetadataColumn && b instanceof MetadataColumn) {// Added yyin TDQ-8360
MetadataColumn metaColumn1 = (MetadataColumn) a;
MetadataColumn metaColumn2 = (MetadataColumn) b;
isSame = StringUtils.equalsIgnoreCase(metaColumn1.getLabel(), metaColumn2.getLabel());
return isSame ? 0 : Double.MAX_VALUE;
} else if (a instanceof MetadataTable && b instanceof MetadataTable) {
MetadataTable mTable1 = (MetadataTable) a;
MetadataTable mTable2 = (MetadataTable) b;
isSame = StringUtils.equalsIgnoreCase(mTable1.getLabel(), mTable2.getLabel());
return isSame ? 0 : Double.MAX_VALUE;
}
return super.distance(inProgress, a, b);
}
}