public static Object getOriginalValueFromColumnValue(
ByteBuffer byteBuffer, AttributeType attributeType) throws IOException {
switch (attributeType) {
case BOOL:
{
return booleanSerializer.fromByteBuffer(byteBuffer);
}
case INT:
{
return integerSerializer.fromByteBuffer(byteBuffer);
}
case DOUBLE:
{
return doubleSerializer.fromByteBuffer(byteBuffer);
}
case FLOAT:
{
return floatSerializer.fromByteBuffer(byteBuffer);
}
case LONG:
{
return longSerializer.fromByteBuffer(byteBuffer);
}
case STRING:
{
return stringSerializer.fromByteBuffer(byteBuffer);
}
}
return null;
}
public void setDouble(N columnName, Double value, int ttl) {
addInsertion(columnName, value, DoubleSerializer.get(), ttl);
}
public void setDouble(N columnName, Double value) {
addInsertion(columnName, value, DoubleSerializer.get(), globalTtl);
}
/**
* Copyright (c) WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* <p>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
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.
*/
public class CassandraSDSUtils {
public static String convertStreamNameToCFName(String streamName) {
if (streamName == null) {
return null;
}
int keySpaceLength = KeySpaceUtils.getKeySpaceName().length();
if ((streamName.length() + keySpaceLength) > 48) {
throw new RuntimeException(
"The stream name you provided is too long. This has caused the"
+ " generated key (\""
+ streamName
+ "\") to go "
+ "beyond the allowed characters. of "
+ (48 - keySpaceLength));
}
return streamName.replace(":", "_").replace(".", "_");
}
public static long getLong(ByteBuffer byteBuffer) throws IOException {
return longSerializer.fromByteBuffer(byteBuffer);
}
public static String getString(ByteBuffer byteBuffer) throws IOException {
return stringSerializer.fromByteBuffer(byteBuffer);
}
private static final StringSerializer stringSerializer = StringSerializer.get();
private static final IntegerSerializer integerSerializer = IntegerSerializer.get();
private static final LongSerializer longSerializer = LongSerializer.get();
private static final BooleanSerializer booleanSerializer = BooleanSerializer.get();
private static final FloatSerializer floatSerializer = FloatSerializer.get();
private static final DoubleSerializer doubleSerializer = DoubleSerializer.get();
public static Object getOriginalValueFromColumnValue(
ByteBuffer byteBuffer, AttributeType attributeType) throws IOException {
switch (attributeType) {
case BOOL:
{
return booleanSerializer.fromByteBuffer(byteBuffer);
}
case INT:
{
return integerSerializer.fromByteBuffer(byteBuffer);
}
case DOUBLE:
{
return doubleSerializer.fromByteBuffer(byteBuffer);
}
case FLOAT:
{
return floatSerializer.fromByteBuffer(byteBuffer);
}
case LONG:
{
return longSerializer.fromByteBuffer(byteBuffer);
}
case STRING:
{
return stringSerializer.fromByteBuffer(byteBuffer);
}
}
return null;
}
public static String getColumnName(DataType dataType, Attribute attribute) {
return dataType.name() + "_" + attribute.getName();
}
public static String createRowKey(long timestamp, String ip, int port, int count) {
return timestamp + "::" + ip + "::" + port + "::" + count;
}
}
@Override
public Float toEntityValue(Class<?> fieldType, int index, Composite columnName) {
return columnName.get(index, DoubleSerializer.get()).floatValue();
}
@Override
public Serializer<Double> getSerializer() {
return DoubleSerializer.get();
}
public void setDouble(N subColumnName, Double value) {
subColumns.add(
columnFactory.createColumn(
subColumnName, value, clock, template.getSubSerializer(), DoubleSerializer.get()));
}