/*
* Copyright (C) 2012-2015 DataStax Inc.
*
* 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 com.datastax.driver.core;
import com.datastax.driver.core.exceptions.CodecNotFoundException;
import com.datastax.driver.core.exceptions.InvalidTypeException;
import com.google.common.reflect.TypeToken;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.util.*;
/**
* Collection of (typed) CQL values that can be retrieved by index (starting at zero).
*/
public interface GettableByIndexData {
/**
* Returns whether the {@code i}th value is NULL.
*
* @param i the index ({@code 0 <= i < size()}) of the value to check.
* @return whether the {@code i}th value is NULL.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for
* this object.
*/
public boolean isNull(int i);
/**
* Returns the {@code i}th value as a boolean.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code boolean}
* (for CQL type {@code boolean}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the boolean value of the {@code i}th element. If the value is NULL, {@code false} is returned.
* If you need to distinguish NULL and false values, check first with {@link #isNull(int)} or use {@code get(i, Boolean.class)}.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a boolean.
*/
public boolean getBool(int i);
/**
* Returns the {@code i}th value as a byte.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code byte}
* (for CQL type {@code tinyint}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a byte. If the value is NULL, {@code 0} is returned.
* If you need to distinguish NULL and 0, check first with {@link #isNull(int)} or use {@code get(i, Byte.class)}.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a byte.
*/
public byte getByte(int i);
/**
* Returns the {@code i}th value as a short.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code short}
* (for CQL type {@code smallint}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a short. If the value is NULL, {@code 0} is returned.
* If you need to distinguish NULL and 0, check first with {@link #isNull(int)} or use {@code get(i, Short.class)}.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a short.
*/
public short getShort(int i);
/**
* Returns the {@code i}th value as an integer.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code int}
* (for CQL type {@code int}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as an integer. If the value is NULL, {@code 0} is returned.
* If you need to distinguish NULL and 0, check first with {@link #isNull(int)} or use {@code get(i, Integer.class)}.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to an int.
*/
public int getInt(int i);
/**
* Returns the {@code i}th value as a long.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code byte}
* (for CQL types {@code bigint} and {@code counter}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a long. If the value is NULL, {@code 0L} is returned.
* If you need to distinguish NULL and 0L, check first with {@link #isNull(int)} or use {@code get(i, Long.class)}.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a long.
*/
public long getLong(int i);
/**
* Returns the {@code i}th value as a date.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a {@code Date}
* (for CQL type {@code timestamp}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a data. If the
* value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code Date}.
*/
public Date getTimestamp(int i);
/**
* Returns the {@code i}th value as a date (without time).
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a {@link LocalDate}
* (for CQL type {@code date}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as an date. If the
* value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code LocalDate}.
*/
public LocalDate getDate(int i);
/**
* Returns the {@code i}th value as a long in nanoseconds since midnight.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code long}
* (for CQL type {@code time}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a long. If the
* value is NULL, {@code 0L} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a long.
*/
public long getTime(int i);
/**
* Returns the {@code i}th value as a float.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code float}
* (for CQL type {@code float}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a float. If the value is NULL, {@code 0.0f} is returned.
* If you need to distinguish NULL and 0.0f, check first with {@link #isNull(int)} or use {@code get(i, Float.class)}.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a float.
*/
public float getFloat(int i);
/**
* Returns the {@code i}th value as a double.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code double}
* (for CQL type {@code double}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a double. If the value is NULL, {@code 0.0} is returned.
* If you need to distinguish NULL and 0.0, check first with {@link #isNull(int)} or use {@code get(i, Double.class)}.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a double.
*/
public double getDouble(int i);
/**
* Returns the {@code i}th value as a {@code ByteBuffer}.
* <p/>
* This method does not use any codec; it returns a copy of the binary representation of the value. It is up to the
* caller to convert the returned value appropriately.
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a ByteBuffer. If the
* value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
*/
public ByteBuffer getBytesUnsafe(int i);
/**
* Returns the {@code i}th value as a byte array.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java {@code ByteBuffer}
* (for CQL type {@code blob}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a byte array. If the
* value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code ByteBuffer}.
*/
public ByteBuffer getBytes(int i);
/**
* Returns the {@code i}th value as a string.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a Java string
* (for CQL types {@code text}, {@code varchar} and {@code ascii}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a string. If the
* value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a string.
*/
public String getString(int i);
/**
* Returns the {@code i}th value as a variable length integer.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a {@code BigInteger}
* (for CQL type {@code varint}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a variable
* length integer. If the value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code BigInteger}.
*/
public BigInteger getVarint(int i);
/**
* Returns the {@code i}th value as a variable length decimal.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a {@code BigDecimal}
* (for CQL type {@code decimal}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a variable
* length decimal. If the value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code BigDecimal}.
*/
public BigDecimal getDecimal(int i);
/**
* Returns the {@code i}th value as a UUID.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a {@code UUID}
* (for CQL types {@code uuid} and {@code timeuuid}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a UUID.
* If the value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code UUID}.
*/
public UUID getUUID(int i);
/**
* Returns the {@code i}th value as an InetAddress.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to an {@code InetAddress}
* (for CQL type {@code inet}, this will be the built-in codec).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as an InetAddress.
* If the value is NULL, {@code null} is returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code InetAddress}.
*/
public InetAddress getInet(int i);
/**
* Returns the {@code i}th value as a list.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a list of the specified type.
* <p/>
* If the type of the elements is generic, use {@link #getList(int, TypeToken)}.
* <p/>
* Implementation note: the actual {@link List} implementation will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent. By default, the driver will return mutable instances, and
* a CQL {@code NULL} will be mapped to an empty collection (note that Cassandra
* makes no distinction between {@code NULL} and an empty collection).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @param elementsClass the class for the elements of the list to retrieve.
* @return the value of the {@code i}th element as a list of
* {@code T} objects.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a list.
*/
public <T> List<T> getList(int i, Class<T> elementsClass);
/**
* Returns the {@code i}th value as a list.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a list of the specified type.
* <p/>
* Use this variant with nested collections, which produce a generic element type:
* <pre>
* {@code List<List<String>> l = row.getList(1, new TypeToken<List<String>>() {});}
* </pre>
* <p/>
* Implementation note: the actual {@link List} implementation will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent. By default, the driver will return mutable instances, and
* a CQL {@code NULL} will mapped to an empty collection (note that Cassandra
* makes no distinction between {@code NULL} and an empty collection).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @param elementsType the type of the elements of the list to retrieve.
* @return the value of the {@code i}th element as a list of
* {@code T} objects.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a list.
*/
public <T> List<T> getList(int i, TypeToken<T> elementsType);
/**
* Returns the {@code i}th value as a set.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a set of the specified type.
* <p/>
* If the type of the elements is generic, use {@link #getSet(int, TypeToken)}.
* <p/>
* Implementation note: the actual {@link Set} implementation will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent. By default, the driver will return mutable instances, and
* a CQL {@code NULL} will mapped to an empty collection (note that Cassandra
* makes no distinction between {@code NULL} and an empty collection).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @param elementsClass the class for the elements of the set to retrieve.
* @return the value of the {@code i}th element as a set of
* {@code T} objects.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a set.
*/
public <T> Set<T> getSet(int i, Class<T> elementsClass);
/**
* Returns the {@code i}th value as a set.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a set of the specified type.
* <p/>
* Use this variant with nested collections, which produce a generic element type:
* <pre>
* {@code Set<List<String>> l = row.getSet(1, new TypeToken<List<String>>() {});}
* </pre>
* <p/>
* Implementation note: the actual {@link Set} implementation will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent. By default, the driver will return mutable instances, and
* a CQL {@code NULL} will mapped to an empty collection (note that Cassandra
* makes no distinction between {@code NULL} and an empty collection).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @param elementsType the type for the elements of the set to retrieve.
* @return the value of the {@code i}th element as a set of
* {@code T} objects.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a set.
*/
public <T> Set<T> getSet(int i, TypeToken<T> elementsType);
/**
* Returns the {@code i}th value as a map.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a map of the specified types.
* <p/>
* If the type of the keys and/or values is generic, use {@link #getMap(int, TypeToken, TypeToken)}.
* <p/>
* Implementation note: the actual {@link Map} implementation will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent. By default, the driver will return mutable instances, and
* a CQL {@code NULL} will mapped to an empty collection (note that Cassandra
* makes no distinction between {@code NULL} and an empty collection).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @param keysClass the class for the keys of the map to retrieve.
* @param valuesClass the class for the values of the map to retrieve.
* @return the value of the {@code i}th element as a map of
* {@code K} to {@code V} objects.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a map.
*/
public <K, V> Map<K, V> getMap(int i, Class<K> keysClass, Class<V> valuesClass);
/**
* Returns the {@code i}th value as a map.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a map of the specified types.
* <p/>
* Use this variant with nested collections, which produce a generic element type:
* <pre>
* {@code Map<Int, List<String>> l = row.getMap(1, TypeToken.of(Integer.class), new TypeToken<List<String>>() {});}
* </pre>
* <p/>
* Implementation note: the actual {@link Map} implementation will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent. By default, the driver will return mutable instances, and
* a CQL {@code NULL} will mapped to an empty collection (note that Cassandra
* makes no distinction between {@code NULL} and an empty collection).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @param keysType the type for the keys of the map to retrieve.
* @param valuesType the type for the values of the map to retrieve.
* @return the value of the {@code i}th element as a map of
* {@code K} to {@code V} objects.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a map.
*/
public <K, V> Map<K, V> getMap(int i, TypeToken<K> keysType, TypeToken<V> valuesType);
/**
* Return the {@code i}th value as a UDT value.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a {@code UDTValue}
* (if the CQL type is a UDT, the registry will generate a codec automatically).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a UDT value. If the value is NULL,
* then {@code null} will be returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code UDTValue}.
*/
public UDTValue getUDTValue(int i);
/**
* Return the {@code i}th value as a tuple value.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to a {@code TupleValue}
* (if the CQL type is a tuple, the registry will generate a codec automatically).
*
* @param i the index ({@code 0 <= i < size()}) to retrieve.
* @return the value of the {@code i}th element as a tuple value. If the value is NULL,
* then {@code null} will be returned.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to a {@code TupleValue}.
*/
public TupleValue getTupleValue(int i);
/**
* Returns the {@code i}th value as the Java type matching its CQL type.
* <p/>
* This method uses the {@link CodecRegistry} to find the first codec that handles the underlying CQL type. The Java type
* of the returned object will be determined by the codec that was selected.
* <p/>
* Use this method to dynamically inspect elements when types aren't known in advance, for instance if you're writing a
* generic row logger. If you know the target Java type, it is generally preferable to use typed getters, such as the
* ones for built-in types ({@link #getBool(int)}, {@link #getInt(int)}, etc.), or {@link #get(int, Class)} and
* {@link #get(int, TypeToken)} for custom types.
*
* @param i the index to retrieve.
* @return the value of the {@code i}th value as the Java type matching its CQL type.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @see CodecRegistry#codecFor(DataType)
*/
public Object getObject(int i);
/**
* Returns the {@code i}th value converted to the given Java type.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to the given Java type.
* <p/>
* If the target type is generic, use {@link #get(int, TypeToken)}.
* <p/>
* Implementation note: the actual object returned by this method will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent; by default, a CQL {@code NULL} value translates to {@code null} for
* simple CQL types, UDTs and tuples, and to empty collections for all CQL collection types.
*
* @param i the index to retrieve.
* @param targetClass The Java type the value should be converted to.
* @return the value of the {@code i}th value converted to the given Java type.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to {@code targetClass}.
*/
<T> T get(int i, Class<T> targetClass);
/**
* Returns the {@code i}th value converted to the given Java type.
* <p/>
* This method uses the {@link CodecRegistry} to find a codec to convert the underlying CQL type to the given Java type.
* <p/>
* Implementation note: the actual object returned by this method will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent; by default, a CQL {@code NULL} value translates to {@code null} for
* simple CQL types, UDTs and tuples, and to empty collections for all CQL collection types.
*
* @param i the index to retrieve.
* @param targetType The Java type the value should be converted to.
* @return the value of the {@code i}th value converted to the given Java type.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
* @throws CodecNotFoundException if there is no registered codec to convert the element's CQL
* type to {@code targetType}.
*/
<T> T get(int i, TypeToken<T> targetType);
/**
* Returns the {@code i}th value converted using the given {@link TypeCodec}.
* <p/>
* This method entirely bypasses the {@link CodecRegistry} and forces the driver to use the given codec instead.
* This can be useful if the codec would collide with a previously registered one, or if you want to use the
* codec just once without registering it.
* <p/>
* It is the caller's responsibility to ensure that the given codec {@link TypeCodec#accepts(DataType) accepts}
* the underlying CQL type; failing to do so may result in {@link InvalidTypeException}s being thrown.
* <p/>
* Implementation note: the actual object returned by this method will depend
* on the {@link TypeCodec codec} being used; therefore, callers should
* make no assumptions concerning its mutability nor its thread-safety.
* Furthermore, the behavior of this method in respect to CQL {@code NULL} values is also
* codec-dependent; by default, a CQL {@code NULL} value translates to {@code null} for
* simple CQL types, UDTs and tuples, and to empty collections for all CQL collection types.
*
* @param i the index to retrieve.
* @param codec The {@link TypeCodec} to use to deserialize the value; may not be {@code null}.
* @return the value of the {@code i}th value converted using the given {@link TypeCodec}.
* @throws InvalidTypeException if the given codec does not {@link TypeCodec#accepts(DataType) accept} the underlying CQL type.
* @throws IndexOutOfBoundsException if {@code i} is not a valid index for this object.
*/
<T> T get(int i, TypeCodec<T> codec);
}