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org.cassandraunit.dataset.xml.AbstractXmlDataSet Maven / Gradle / Ivy
package org.cassandraunit.dataset.xml;
import me.prettyprint.hector.api.ddl.ColumnIndexType;
import me.prettyprint.hector.api.ddl.ColumnType;
import me.prettyprint.hector.api.ddl.ComparatorType;
import org.apache.commons.lang3.StringUtils;
import org.cassandraunit.dataset.DataSet;
import org.cassandraunit.dataset.ParseException;
import org.cassandraunit.model.*;
import org.cassandraunit.type.GenericType;
import org.cassandraunit.type.GenericTypeEnum;
import org.cassandraunit.utils.ComparatorTypeHelper;
import org.cassandraunit.utils.TypeExtractor;
import org.xml.sax.SAXException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
/**
* @author Jeremy Sevellec
* @author Marc Carre (#27)
*/
public abstract class AbstractXmlDataSet implements DataSet {
private String dataSetLocation = null;
private KeyspaceModel keyspace = null;
public AbstractXmlDataSet(String dataSetLocation) {
this.dataSetLocation = dataSetLocation;
if (getInputDataSetLocation(dataSetLocation) == null) {
throw new ParseException("Dataset not found");
}
}
private org.cassandraunit.dataset.xml.Keyspace getXmlKeyspace() {
InputStream inputDataSetLocation = getInputDataSetLocation(dataSetLocation);
if (inputDataSetLocation == null) {
throw new ParseException("Dataset not found in classpath");
}
try {
Unmarshaller unmarshaller = getUnmarshaller();
org.cassandraunit.dataset.xml.Keyspace xmlKeyspace = (org.cassandraunit.dataset.xml.Keyspace) unmarshaller
.unmarshal(inputDataSetLocation);
return xmlKeyspace;
} catch (JAXBException e) {
throw new ParseException(e);
} catch (SAXException e) {
throw new ParseException(e);
} catch (URISyntaxException e) {
throw new ParseException(e);
}
}
protected abstract InputStream getInputDataSetLocation(String dataSetLocation);
private Unmarshaller getUnmarshaller() throws JAXBException, SAXException, URISyntaxException {
JAXBContext jc = JAXBContext.newInstance(org.cassandraunit.dataset.xml.Keyspace.class);
Unmarshaller unmarshaller = jc.createUnmarshaller();
SchemaFactory sf = SchemaFactory.newInstance(javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI);
Schema schema = sf.newSchema(this.getClass().getResource("/dataset.xsd"));
unmarshaller.setSchema(schema);
return unmarshaller;
}
private void mapXmlKeyspaceToModel(org.cassandraunit.dataset.xml.Keyspace xmlKeyspace) {
/* keyspace */
keyspace = new KeyspaceModel();
keyspace.setName(xmlKeyspace.getName());
/* optional conf */
if (xmlKeyspace.getReplicationFactor() != null) {
keyspace.setReplicationFactor(xmlKeyspace.getReplicationFactor());
}
if (xmlKeyspace.getStrategy() != null) {
keyspace.setStrategy(StrategyModel.fromValue(xmlKeyspace.getStrategy().value()));
}
mapsXmlColumnFamiliesToColumnFamiliesModel(xmlKeyspace);
}
private void mapsXmlColumnFamiliesToColumnFamiliesModel(org.cassandraunit.dataset.xml.Keyspace xmlKeyspace) {
if (xmlKeyspace.getColumnFamilies() != null) {
/* there is column families to integrate */
for (org.cassandraunit.dataset.xml.ColumnFamily xmlColumnFamily : xmlKeyspace.getColumnFamilies()
.getColumnFamily()) {
keyspace.getColumnFamilies().add(mapXmlColumnFamilyToColumnFamilyModel(xmlColumnFamily));
}
}
}
private ColumnFamilyModel mapXmlColumnFamilyToColumnFamilyModel(
org.cassandraunit.dataset.xml.ColumnFamily xmlColumnFamily) {
ColumnFamilyModel columnFamily = new ColumnFamilyModel();
/* structure information */
columnFamily.setName(xmlColumnFamily.getName());
if (xmlColumnFamily.getType() != null) {
columnFamily.setType(ColumnType.valueOf(xmlColumnFamily.getType().toString()));
}
columnFamily.setComment(xmlColumnFamily.getComment());
if (xmlColumnFamily.getCompactionStrategy() != null) {
columnFamily.setCompactionStrategy(xmlColumnFamily.getCompactionStrategy());
}
if (xmlColumnFamily.getCompactionStrategyOptions() != null) {
List compactionStrategyOptionModels = new ArrayList();
for (CompactionStrategyOption compactionStrategyOption : xmlColumnFamily.getCompactionStrategyOptions().getCompactionStrategyOption()) {
compactionStrategyOptionModels.add(new CompactionStrategyOptionModel(compactionStrategyOption.getName(), compactionStrategyOption.getValue()));
}
columnFamily.setCompactionStrategyOptions(compactionStrategyOptionModels);
}
if (xmlColumnFamily.getGcGraceSeconds() != null) {
columnFamily.setGcGraceSeconds(xmlColumnFamily.getGcGraceSeconds());
}
if (xmlColumnFamily.getMaxCompactionThreshold() != null) {
columnFamily.setMaxCompactionThreshold(xmlColumnFamily.getMaxCompactionThreshold());
}
if (xmlColumnFamily.getMinCompactionThreshold() != null) {
columnFamily.setMinCompactionThreshold(xmlColumnFamily.getMinCompactionThreshold());
}
if (xmlColumnFamily.getReadRepairChance() != null) {
columnFamily.setReadRepairChance(xmlColumnFamily.getReadRepairChance());
}
if (xmlColumnFamily.getReplicationOnWrite() != null) {
columnFamily.setReplicationOnWrite(xmlColumnFamily.getReplicationOnWrite());
}
GenericTypeEnum[] typesBelongingCompositeTypeForKeyType = null;
if (xmlColumnFamily.getKeyType() != null) {
ComparatorType keyType = ComparatorTypeHelper.verifyAndExtract(xmlColumnFamily.getKeyType());
columnFamily.setKeyType(keyType);
if (ComparatorType.COMPOSITETYPE.getTypeName().equals(keyType.getTypeName())) {
String keyTypeAlias = StringUtils.removeStart(xmlColumnFamily.getKeyType(),
ComparatorType.COMPOSITETYPE.getTypeName());
columnFamily.setKeyTypeAlias(keyTypeAlias);
typesBelongingCompositeTypeForKeyType = ComparatorTypeHelper
.extractGenericTypesFromTypeAlias(keyTypeAlias);
}
}
GenericTypeEnum[] typesBelongingCompositeTypeForComparatorType = null;
final String xmlComparatorType = xmlColumnFamily.getComparatorType();
if (xmlComparatorType != null) {
ComparatorType comparatorType = ComparatorTypeHelper.verifyAndExtract(xmlComparatorType);
columnFamily.setComparatorType(comparatorType);
if (ComparatorType.COMPOSITETYPE.getTypeName().equals(comparatorType.getTypeName())) {
String comparatorTypeAlias = StringUtils.removeStart(xmlComparatorType, ComparatorType.COMPOSITETYPE.getTypeName());
columnFamily.setComparatorTypeAlias(comparatorTypeAlias);
typesBelongingCompositeTypeForComparatorType = ComparatorTypeHelper
.extractGenericTypesFromTypeAlias(comparatorTypeAlias);
} else if (StringUtils.containsIgnoreCase(xmlComparatorType,
ColumnFamilyModel.REVERSED_QUALIFIER)) {
int begin = StringUtils.indexOfIgnoreCase(xmlComparatorType,
ColumnFamilyModel.REVERSED_QUALIFIER);
int end = xmlComparatorType.length();
columnFamily.setComparatorTypeAlias(xmlComparatorType
.substring(begin, end));
}
}
if (xmlColumnFamily.getSubComparatorType() != null) {
columnFamily.setSubComparatorType(ComparatorType.getByClassName(xmlColumnFamily.getSubComparatorType()
.value()));
}
if (xmlColumnFamily.getDefaultColumnValueType() != null) {
columnFamily.setDefaultColumnValueType(ComparatorType.getByClassName(xmlColumnFamily
.getDefaultColumnValueType().value()));
}
columnFamily.setColumnsMetadata(mapXmlColumsMetadataToColumnsMetadata(xmlColumnFamily.getColumnMetadata(),
columnFamily.getComparatorType(),
typesBelongingCompositeTypeForComparatorType));
/* data information */
columnFamily.setRows(mapXmlRowsToRowsModel(xmlColumnFamily, columnFamily.getKeyType(),
typesBelongingCompositeTypeForKeyType, columnFamily.getComparatorType(),
typesBelongingCompositeTypeForComparatorType, columnFamily.getSubComparatorType(),
columnFamily.getDefaultColumnValueType()));
return columnFamily;
}
private List mapXmlColumsMetadataToColumnsMetadata(
List xmlColumnsMetadata, ComparatorType comparatorType, GenericTypeEnum[] typesBelongingCompositeTypeForComparatorType) {
ArrayList columnsMetadata = new ArrayList();
for (org.cassandraunit.dataset.xml.ColumnMetadata xmlColumnMetadata : xmlColumnsMetadata) {
columnsMetadata.add(mapXmlColumnMetadataToColumMetadataModel(xmlColumnMetadata, comparatorType, typesBelongingCompositeTypeForComparatorType));
}
return columnsMetadata;
}
private ColumnMetadataModel mapXmlColumnMetadataToColumMetadataModel(
ColumnMetadata xmlColumnMetadata, ComparatorType comparatorType, GenericTypeEnum[] typesBelongingCompositeTypeForComparatorType) {
ColumnMetadataModel columnMetadata = new ColumnMetadataModel();
columnMetadata.setColumnName(TypeExtractor.constructGenericType(xmlColumnMetadata.getName(), comparatorType, typesBelongingCompositeTypeForComparatorType));
columnMetadata
.setValidationClass(ComparatorType.getByClassName(xmlColumnMetadata.getValidationClass().value()));
if (xmlColumnMetadata.getIndexType() != null) {
columnMetadata.setColumnIndexType(ColumnIndexType.valueOf(xmlColumnMetadata.getIndexType().value()));
}
columnMetadata.setIndexName(xmlColumnMetadata.getIndexName());
return columnMetadata;
}
private List mapXmlRowsToRowsModel(org.cassandraunit.dataset.xml.ColumnFamily xmlColumnFamily,
ComparatorType keyType, GenericTypeEnum[] typesBelongingCompositeTypeForKeyType,
ComparatorType comparatorType, GenericTypeEnum[] typesBelongingCompositeTypeForComparatorType,
ComparatorType subcomparatorType, ComparatorType defaultColumnValueType) {
List rowsModel = new ArrayList();
List columnMetaData = new ArrayList();
if (xmlColumnFamily.getColumnMetadata() != null) {
columnMetaData = xmlColumnFamily.getColumnMetadata();
}
for (Row rowType : xmlColumnFamily.getRow()) {
rowsModel.add(mapsXmlRowToRowModel(columnMetaData, rowType, keyType, typesBelongingCompositeTypeForKeyType, comparatorType,
typesBelongingCompositeTypeForComparatorType, subcomparatorType, defaultColumnValueType));
}
return rowsModel;
}
private RowModel mapsXmlRowToRowModel(List columnMetaData, Row xmlRow, ComparatorType keyType,
GenericTypeEnum[] typesBelongingCompositeTypeForKeyType, ComparatorType comparatorType,
GenericTypeEnum[] typesBelongingCompositeTypeForComparatorType, ComparatorType subComparatorType,
ComparatorType defaultColumnValueType) {
RowModel row = new RowModel();
row.setKey(TypeExtractor.constructGenericType(xmlRow.getKey(), keyType, typesBelongingCompositeTypeForKeyType));
row.setColumns(mapXmlColumnsToColumnsModel(columnMetaData, xmlRow.getColumn(), comparatorType,
typesBelongingCompositeTypeForComparatorType, defaultColumnValueType));
row.setSuperColumns(mapXmlSuperColumnsToSuperColumnsModel(columnMetaData, xmlRow.getSuperColumn(), comparatorType,
subComparatorType, defaultColumnValueType));
return row;
}
/**
* map an xml super columns to a super columns
*
* @param xmlSuperColumns xml super columns
* @param subComparatorType
* @param comparatorType
* @return super columns
*/
private List mapXmlSuperColumnsToSuperColumnsModel(List columnMetaData, List xmlSuperColumns,
ComparatorType comparatorType, ComparatorType subComparatorType, ComparatorType defaultColumnValueType) {
List columnsModel = new ArrayList();
for (SuperColumn xmlSuperColumnType : xmlSuperColumns) {
columnsModel.add(mapXmlSuperColumnToSuperColumnModel(columnMetaData, xmlSuperColumnType, comparatorType, subComparatorType,
defaultColumnValueType));
}
return columnsModel;
}
/**
* map an xml super colmun to a super column
*
* @param xmlSuperColumn xml super column
* @param subComparatorType
* @param comparatorType
* @return supercolumn
*/
private SuperColumnModel mapXmlSuperColumnToSuperColumnModel(List columnMetaData, SuperColumn xmlSuperColumn,
ComparatorType comparatorType, ComparatorType subComparatorType, ComparatorType defaultColumnValueType) {
SuperColumnModel superColumnModel = new SuperColumnModel();
superColumnModel.setName(new GenericType(xmlSuperColumn.getName(), GenericTypeEnum.fromValue(comparatorType
.getTypeName())));
superColumnModel.setColumns(mapXmlColumnsToColumnsModel(columnMetaData, xmlSuperColumn.getColumn(), subComparatorType, null,
defaultColumnValueType));
return superColumnModel;
}
/**
* map an xml column to a column
*
* @param xmlColumn xml column
* @param typesBelongingCompositeTypeForComparatorType
*
* @return column
*/
private ColumnModel mapXmlColumnToColumnModel(ColumnMetadata metaData, Column xmlColumn, ComparatorType comparatorType,
GenericTypeEnum[] typesBelongingCompositeTypeForComparatorType, ComparatorType defaultColumnValueType) {
ColumnModel columnModel = new ColumnModel();
if (comparatorType == null) {
columnModel.setName(new GenericType(xmlColumn.getName(), GenericTypeEnum.BYTES_TYPE));
} else if (ComparatorType.COMPOSITETYPE.getTypeName().equals(comparatorType.getTypeName())) {
/* composite type */
try {
columnModel.setName(new GenericType(StringUtils.split(xmlColumn.getName(), ":"),
typesBelongingCompositeTypeForComparatorType));
} catch (IllegalArgumentException e) {
throw new ParseException(xmlColumn.getName()
+ " doesn't fit with the schema declaration of your composite type");
}
} else {
/* simple type */
columnModel.setName(new GenericType(xmlColumn.getName(), GenericTypeEnum.fromValue(comparatorType
.getTypeName())));
}
if (defaultColumnValueType != null
&& ComparatorType.COUNTERTYPE.getClassName().equals(defaultColumnValueType.getClassName())
&& TypeExtractor.containFunctions(xmlColumn.getValue())) {
throw new ParseException("Impossible to override Column value into a Counter column family");
}
GenericType columnValue = null;
if (xmlColumn.getValue() != null) {
if (metaData != null && !TypeExtractor.containFunctions(xmlColumn.getValue())) {
GenericTypeEnum genTypeEnum = GenericTypeEnum.valueOf(metaData.getValidationClass().name());
columnValue = new GenericType(xmlColumn.getValue(), genTypeEnum);
} else {
columnValue = TypeExtractor.extract(xmlColumn.getValue(), defaultColumnValueType);
}
}
columnModel.setValue(columnValue);
String timestamp = xmlColumn.getTimestamp();
if (timestamp != null) {
columnModel.setTimestamp(Long.valueOf(timestamp));
} else {
columnModel.setTimestamp(null);
}
return columnModel;
}
/**
* map an xml columns to columns
*
* @param xmlColumns xml column
* @param typesBelongingCompositeTypeForComparatorType
*
* @return columns
*/
private List mapXmlColumnsToColumnsModel(List columnMetaData, List xmlColumns,
ComparatorType columnNameComparatorType, GenericTypeEnum[] typesBelongingCompositeTypeForComparatorType,
ComparatorType defaultColumnValueType) {
List columnsModel = new ArrayList();
for (Column xmlColumn : xmlColumns) {
ColumnMetadata assocMetaData = null;
for (ColumnMetadata tmpColumnMetaData : columnMetaData) {
if (tmpColumnMetaData.getName().equals(xmlColumn.getName())) {
assocMetaData = tmpColumnMetaData;
}
}
columnsModel.add(mapXmlColumnToColumnModel(assocMetaData, xmlColumn, columnNameComparatorType,
typesBelongingCompositeTypeForComparatorType, defaultColumnValueType));
}
return columnsModel;
}
@Override
public KeyspaceModel getKeyspace() {
if (keyspace == null) {
org.cassandraunit.dataset.xml.Keyspace xmlKeyspace = getXmlKeyspace();
mapXmlKeyspaceToModel(xmlKeyspace);
}
return keyspace;
}
@Override
public List getColumnFamilies() {
if (keyspace == null) {
getKeyspace();
}
return keyspace.getColumnFamilies();
}
}
