Row (DataStax Java Driver for Apache Cassandra

```
public interface Row
```
A CQL Row returned in a ResultSet.
The values of a CQL Row can be retrieve by either index (index starts at 0) or name. When setting them by name, names follow the case insensitivity rules explained in ColumnDefinitions.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`getBool(int i)` Returns the `i`th value of this row as a boolean.
`boolean`	`getBool(String name)` Returns the value of column `name` as a boolean.
`ByteBuffer`	`getBytes(int i)` Returns the `i`th value of this row as a byte array.
`ByteBuffer`	`getBytes(String name)` Returns the value of column `name` as a byte array.
`ByteBuffer`	`getBytesUnsafe(int i)` Returns the `i`th value of this row as a ByteBuffer.
`ByteBuffer`	`getBytesUnsafe(String name)` Returns the value of column `name` as a ByteBuffer.
`ColumnDefinitions`	`getColumnDefinitions()` Returns the columns contained in this Row.
`Date`	`getDate(int i)` Returns the `i`th value of this row as a date.
`Date`	`getDate(String name)` Returns the value of column `name` as a date.
`BigDecimal`	`getDecimal(int i)` Returns the `i`th value of this row as a variable length decimal.
`BigDecimal`	`getDecimal(String name)` Returns the value of column `name` as a variable length decimal.
`double`	`getDouble(int i)` Returns the `i`th value of this row as a double.
`double`	`getDouble(String name)` Returns the value of column `name` as a double.
`float`	`getFloat(int i)` Returns the `i`th value of this row as a float.
`float`	`getFloat(String name)` Returns the value of column `name` as a float.
`InetAddress`	`getInet(int i)` Returns the `i`th value of this row as an InetAddress.
`InetAddress`	`getInet(String name)` Returns the value of column `name` as an InetAddress.
`int`	`getInt(int i)` Returns the `i`th value of this row as an integer.
`int`	`getInt(String name)` Returns the value of column `name` as an integer.
`<T> List<T>`	`getList(int i, Class<T> elementsClass)` Returns the `i`th value of this row as a list.
`<T> List<T>`	`getList(String name, Class<T> elementsClass)` Returns the value of column `name` as a list.
`long`	`getLong(int i)` Returns the `i`th value of this row as a long.
`long`	`getLong(String name)` Returns the value of column `name` as a long.
`<K,V> Map<K,V>`	`getMap(int i, Class<K> keysClass, Class<V> valuesClass)` Returns the `i`th value of this row as a map.
`<K,V> Map<K,V>`	`getMap(String name, Class<K> keysClass, Class<V> valuesClass)` Returns the value of column `name` as a map.
`<T> Set<T>`	`getSet(int i, Class<T> elementsClass)` Returns the `i`th value of this row as a set.
`<T> Set<T>`	`getSet(String name, Class<T> elementsClass)` Returns the value of column `name` as a set.
`String`	`getString(int i)` Returns the `i`th value of this row as a string.
`String`	`getString(String name)` Returns the value of column `name` as a string.
`UUID`	`getUUID(int i)` Returns the `i`th value of this row as a UUID.
`UUID`	`getUUID(String name)` Returns the value of column `name` as a UUID.
`BigInteger`	`getVarint(int i)` Returns the `i`th value of this row as a variable length integer.
`BigInteger`	`getVarint(String name)` Returns the value of column `name` as a variable length integer.
`boolean`	`isNull(int i)` Returns whether the `i`th value of this row is NULL.
`boolean`	`isNull(String name)` Returns whether the value for column `name` in this row is NULL.

- Method Detail
  - getColumnDefinitions
```
ColumnDefinitions getColumnDefinitions()
```
    Returns the columns contained in this Row.
    
    Returns:
    the columns contained in this Row.
  - isNull
```
boolean isNull(int i)
```
    Returns whether the ith value of this row is NULL.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to check.
    
    Returns:
    whether the ith value of this row is NULL.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
  - isNull
```
boolean isNull(String name)
```
    Returns whether the value for column name in this row is NULL.
    
    Parameters:
    name - the name of the column to check.
    
    Returns:
    whether the value of column name is NULL.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
  - getBool
```
boolean getBool(int i)
```
    Returns the ith value of this row as a boolean.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the boolean value of the ith column in this row. If the value is NULL, false is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type BOOLEAN.
  - getBool
```
boolean getBool(String name)
```
    Returns the value of column name as a boolean.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the boolean value of column name. If the value is NULL, false is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type BOOLEAN.
  - getInt
```
int getInt(int i)
```
    Returns the ith value of this row as an integer.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as an integer. If the value is NULL, 0 is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type INT.
  - getInt
```
int getInt(String name)
```
    Returns the value of column name as an integer.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as an integer. If the value is NULL, 0 is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type INT.
  - getLong
```
long getLong(int i)
```
    Returns the ith value of this row as a long.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a long. If the value is NULL, 0L is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type BIGINT or COUNTER.
  - getLong
```
long getLong(String name)
```
    Returns the value of column name as a long.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a long. If the value is NULL, 0L is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column i is not of type BIGINT or COUNTER.
  - getDate
```
Date getDate(int i)
```
    Returns the ith value of this row as a date.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a data. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type TIMESTAMP.
  - getDate
```
Date getDate(String name)
```
    Returns the value of column name as a date.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a date. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type TIMESTAMP.
  - getFloat
```
float getFloat(int i)
```
    Returns the ith value of this row as a float.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a float. If the value is NULL, 0.0f is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type FLOAT.
  - getFloat
```
float getFloat(String name)
```
    Returns the value of column name as a float.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a float. If the value is NULL, 0.0f is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type FLOAT.
  - getDouble
```
double getDouble(int i)
```
    Returns the ith value of this row as a double.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a double. If the value is NULL, 0.0 is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type DOUBLE.
  - getDouble
```
double getDouble(String name)
```
    Returns the value of column name as a double.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a double. If the value is NULL, 0.0 is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type DOUBLE.
  - getBytesUnsafe
```
ByteBuffer getBytesUnsafe(int i)
```
    Returns the ith value of this row as a ByteBuffer. Note: this method always return the bytes composing the value, even if the column is not of type BLOB. That is, this method never throw an InvalidTypeException. However, if the type is not BLOB, it is up to the caller to handle the returned value correctly.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a ByteBuffer. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
  - getBytesUnsafe
```
ByteBuffer getBytesUnsafe(String name)
```
    Returns the value of column name as a ByteBuffer. Note: this method always return the bytes composing the value, even if the column is not of type BLOB. That is, this method never throw an InvalidTypeException. However, if the type is not BLOB, it is up to the caller to handle the returned value correctly.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a ByteBuffer. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
  - getBytes
```
ByteBuffer getBytes(int i)
```
    Returns the ith value of this row as a byte array.
    Note that this method validate that the colum is of type BLOB. If you want to retrieve the bytes for any type of columns, use getBytesUnsafe(int) instead.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a byte array. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i type is not of type BLOB.
  - getBytes
```
ByteBuffer getBytes(String name)
```
    Returns the value of column name as a byte array.
    Note that this method validate that the column is of type BLOB. If you want to retrieve the bytes for any type of columns, use getBytesUnsafe(String) instead.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a byte array. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column i type is not of type BLOB.
  - getString
```
String getString(int i)
```
    Returns the ith value of this row as a string.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a string. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i type is none of: VARCHAR, TEXT or ASCII.
  - getString
```
String getString(String name)
```
    Returns the value of column name as a string.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a string. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name type is none of: VARCHAR, TEXT or ASCII.
  - getVarint
```
BigInteger getVarint(int i)
```
    Returns the ith value of this row as a variable length integer.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a variable length integer. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type VARINT.
  - getVarint
```
BigInteger getVarint(String name)
```
    Returns the value of column name as a variable length integer.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a variable length integer. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type VARINT.
  - getDecimal
```
BigDecimal getDecimal(int i)
```
    Returns the ith value of this row as a variable length decimal.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a variable length decimal. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type DECIMAL.
  - getDecimal
```
BigDecimal getDecimal(String name)
```
    Returns the value of column name as a variable length decimal.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a variable length decimal. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type DECIMAL.
  - getUUID
```
UUID getUUID(int i)
```
    Returns the ith value of this row as a UUID.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as a UUID. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type UUID or TIMEUUID.
  - getUUID
```
UUID getUUID(String name)
```
    Returns the value of column name as a UUID.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as a UUID. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type UUID or TIMEUUID.
  - getInet
```
InetAddress getInet(int i)
```
    Returns the ith value of this row as an InetAddress.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    
    Returns:
    the value of the ith column in this row as an InetAddress. If the value is NULL, null is returned.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not of type INET.
  - getInet
```
InetAddress getInet(String name)
```
    Returns the value of column name as an InetAddress.
    
    Parameters:
    name - the name of the column to retrieve.
    
    Returns:
    the value of column name as an InetAddress. If the value is NULL, null is returned.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not of type INET.
  - getList
```
<T> List<T> getList(int i,
                  Class<T> elementsClass)
```
    Returns the ith value of this row as a list.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    elementsClass - the class for the elements of the list to retrieve.
    
    Returns:
    the value of the ith column in this row as a list of elementsClass objects. If the value is NULL, an empty list is returned (note that Cassandra makes no difference between an empty list and column of type list that is not set). The returned list is immutable.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not a list or if its elements are not of class elementsClass.
  - getList
```
<T> List<T> getList(String name,
                  Class<T> elementsClass)
```
    Returns the value of column name as a list.
    
    Parameters:
    name - the name of the column to retrieve.
    elementsClass - the class for the elements of the list to retrieve.
    
    Returns:
    the value of the ith column in this row as a list of elementsClass objects. If the value is NULL, an empty list is returned (note that Cassandra makes no difference between an empty list and column of type list that is not set). The returned list is immutable.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not a list or if its elements are not of class elementsClass.
  - getSet
```
<T> Set<T> getSet(int i,
                Class<T> elementsClass)
```
    Returns the ith value of this row as a set.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    elementsClass - the class for the elements of the set to retrieve.
    
    Returns:
    the value of the ith column in this row as a set of elementsClass objects. If the value is NULL, an empty set is returned (note that Cassandra makes no difference between an empty set and column of type set that is not set). The returned set is immutable.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not a set or if its elements are not of class elementsClass.
  - getSet
```
<T> Set<T> getSet(String name,
                Class<T> elementsClass)
```
    Returns the value of column name as a set.
    
    Parameters:
    name - the name of the column to retrieve.
    elementsClass - the class for the elements of the set to retrieve.
    
    Returns:
    the value of the ith column in this row as a set of elementsClass objects. If the value is NULL, an empty set is returned (note that Cassandra makes no difference between an empty set and column of type set that is not set). The returned set is immutable.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not a set or if its elements are not of class elementsClass.
  - getMap
```
<K,V> Map<K,V> getMap(int i,
                    Class<K> keysClass,
                    Class<V> valuesClass)
```
    Returns the ith value of this row as a map.
    
    Parameters:
    i - the index (0 <= i < size()) of the column to retrieve.
    keysClass - the class for the keys of the map to retrieve.
    valuesClass - the class for the values of the map to retrieve.
    
    Returns:
    the value of the ith column in this row as a map of keysClass to valuesClass objects. If the value is NULL, an empty map is returned (note that Cassandra makes no difference between an empty map and column of type map that is not set). The returned map is immutable.
    
    Throws:
    
    IndexOutOfBoundsException - if i < 0 || i >= this.columns().size().
    
    InvalidTypeException - if column i is not a map, if its keys are not of class keysClass or if its values are not of class valuesClass.
  - getMap
```
<K,V> Map<K,V> getMap(String name,
                    Class<K> keysClass,
                    Class<V> valuesClass)
```
    Returns the value of column name as a map.
    
    Parameters:
    name - the name of the column to retrieve.
    keysClass - the class for the keys of the map to retrieve.
    valuesClass - the class for the values of the map to retrieve.
    
    Returns:
    the value of the ith column in this row as a map of keysClass to valuesClass objects. If the value is NULL, an empty map is returned (note that Cassandra makes no difference between an empty map and column of type map that is not set). The returned map is immutable.
    
    Throws:
    
    IllegalArgumentException - if name is not part of the ResultSet this row is part of, i.e. if !this.columns().names().contains(name).
    
    InvalidTypeException - if column name is not a map, if its keys are not of class keysClass or if its values are not of class valuesClass.

Interface Row

Method Summary

Method Detail

getColumnDefinitions

isNull

isNull

getBool

getBool

getInt

getInt

getLong

getLong

getDate

getDate

getFloat

getFloat

getDouble

getDouble

getBytesUnsafe

getBytesUnsafe

getBytes

getBytes

getString

getString

getVarint

getVarint

getDecimal

getDecimal

getUUID

getUUID

getInet

getInet

getList

getList

getSet

getSet

getMap

getMap