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CassandraResults.java
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/
CassandraResults.java
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/**
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package edu.berkeley.ground.db;
import com.datastax.driver.core.ResultSet;
import com.datastax.driver.core.Row;
import edu.berkeley.ground.exceptions.GroundDBException;
public class CassandraResults implements QueryResults {
private ResultSet resultSet;
private Row currentRow;
public CassandraResults(ResultSet resultSet) {
this.resultSet = resultSet;
this.currentRow = null;
}
public String getString(int index) throws GroundDBException {
try {
return this.currentRow.getString(index);
} catch (Exception e) {
throw new GroundDBException(e);
}
}
public String getString(String field) throws GroundDBException {
try {
return this.currentRow.getString(field);
} catch (Exception e) {
throw new GroundDBException(e);
}
}
public int getInt(int index) throws GroundDBException {
try {
return this.currentRow.getInt(index);
} catch (Exception e) {
throw new GroundDBException(e);
}
}
public boolean getBoolean(int index) throws GroundDBException {
try {
return this.currentRow.getBool(index);
} catch (Exception e) {
throw new GroundDBException(e);
}
}
public long getLong(int index) throws GroundDBException {
try {
return this.currentRow.getLong(index);
} catch (Exception e) {
throw new GroundDBException(e);
}
}
public long getLong(String field) throws GroundDBException {
try {
return this.currentRow.getLong(field);
} catch (Exception e) {
throw new GroundDBException(e);
}
}
public boolean next() {
this.currentRow = this.resultSet.one();
return this.currentRow != null;
}
public boolean isNull(int index) {
return this.currentRow.isNull(index);
}
public boolean isNull(String field) {
return this.currentRow.isNull(field);
}
}