org.apache.storm.trident.tuple

Class TridentTupleView

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<Object>

org.apache.storm.trident.tuple.TridentTupleView

All Implemented Interfaces:

Iterable<Object>, Collection<Object>, List<Object>, TridentTuple, ITuple

public class TridentTupleView
extends AbstractList<Object>
implements TridentTuple

Extends AbstractList so that it can be emitted directly as Storm tuples.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TridentTupleView.FreshOutputFactory
static class	TridentTupleView.OperationOutputFactory
static class	TridentTupleView.ProjectionFactory
static class	TridentTupleView.RootFactory

Nested classes/interfaces inherited from interface org.apache.storm.trident.tuple.TridentTuple

TridentTuple.Factory

Field Summary

Fields

Modifier and Type	Field and Description
static TridentTupleView	EMPTY_TUPLE

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
TridentTupleView(List delegates, ValuePointer[] index, Map<String,ValuePointer> fieldIndex)

Method Summary

Modifier and Type	Method and Description
boolean	contains(String field) Returns true if this tuple contains the specified name of the field.
static TridentTuple	createFreshTuple(Fields fields, List<Object> values)
static TridentTuple	createFreshTuple(Fields fields, Object... values)
int	fieldIndex(String field) Returns the position of the specified field in this tuple.
Object	get(int i)
byte[]	getBinary(int i) Returns the byte array at position i in the tuple.
byte[]	getBinaryByField(String field) Gets the Byte array field with a specific name.
Boolean	getBoolean(int i) Returns the Boolean at position i in the tuple.
Boolean	getBooleanByField(String field) Gets the Boolean field with a specific name.
Byte	getByte(int i) Returns the Byte at position i in the tuple.
Byte	getByteByField(String field) Gets the Byte field with a specific name.
Double	getDouble(int i) Returns the Double at position i in the tuple.
Double	getDoubleByField(String field) Gets the Double field with a specific name.
Fields	getFields() Gets the names of the fields in this tuple.
Float	getFloat(int i) Returns the Float at position i in the tuple.
Float	getFloatByField(String field) Gets the Float field with a specific name.
Integer	getInteger(int i) Returns the Integer at position i in the tuple.
Integer	getIntegerByField(String field) Gets the Integer field with a specific name.
Long	getLong(int i) Returns the Long at position i in the tuple.
Long	getLongByField(String field) Gets the Long field with a specific name.
Short	getShort(int i) Returns the Short at position i in the tuple.
Short	getShortByField(String field) Gets the Short field with a specific name.
String	getString(int i) Returns the String at position i in the tuple.
String	getStringByField(String field) Gets the String field with a specific name.
Object	getValue(int i) Gets the field at position i in the tuple.
Object	getValueByField(String field) Gets the field with a specific name.
List<Object>	getValues() Gets all the values in this tuple.
List<Object>	select(Fields selector) Returns a subset of the tuple based on the fields selector.
int	size() Returns the number of fields in this tuple.

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

add, add, addAll, addAll, clear, contains, containsAll, equals, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, replaceAll, retainAll, set, sort, spliterator, subList, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

EMPTY_TUPLE

public static final TridentTupleView EMPTY_TUPLE

Constructor Detail

TridentTupleView

public TridentTupleView(List delegates,
                        ValuePointer[] index,
                        Map<String,ValuePointer> fieldIndex)

Method Detail

createFreshTuple

public static TridentTuple createFreshTuple(Fields fields,
                                            List<Object> values)

createFreshTuple

public static TridentTuple createFreshTuple(Fields fields,
                                            Object... values)

getValues

public List<Object> getValues()

Description copied from interface: ITuple

Gets all the values in this tuple.

Specified by:

getValues in interface ITuple

size

public int size()

Description copied from interface: ITuple

Returns the number of fields in this tuple.

Specified by:

size in interface Collection<Object>

Specified by:

size in interface List<Object>

Specified by:

size in interface ITuple

Specified by:

size in class AbstractCollection<Object>

contains

public boolean contains(String field)

Description copied from interface: ITuple

Returns true if this tuple contains the specified name of the field.

Specified by:

contains in interface ITuple

getFields

public Fields getFields()

Description copied from interface: ITuple

Gets the names of the fields in this tuple.

Specified by:

getFields in interface ITuple

fieldIndex

public int fieldIndex(String field)

Description copied from interface: ITuple

Returns the position of the specified field in this tuple.

Specified by:

fieldIndex in interface ITuple

select

public List<Object> select(Fields selector)

Description copied from interface: ITuple

Returns a subset of the tuple based on the fields selector.

Specified by:

select in interface ITuple

get

public Object get(int i)

Specified by:

get in interface List<Object>

Specified by:

get in class AbstractList<Object>

getValue

public Object getValue(int i)

Description copied from interface: ITuple

Gets the field at position i in the tuple. Returns object since tuples are dynamically typed.

Specified by:

getValue in interface ITuple

getString

public String getString(int i)

Description copied from interface: ITuple

Returns the String at position i in the tuple.

Specified by:

getString in interface ITuple

getInteger

public Integer getInteger(int i)

Description copied from interface: ITuple

Returns the Integer at position i in the tuple.

Specified by:

getInteger in interface ITuple

getLong

public Long getLong(int i)

Description copied from interface: ITuple

Returns the Long at position i in the tuple.

Specified by:

getLong in interface ITuple

getBoolean

public Boolean getBoolean(int i)

Description copied from interface: ITuple

Returns the Boolean at position i in the tuple.

Specified by:

getBoolean in interface ITuple

getShort

public Short getShort(int i)

Description copied from interface: ITuple

Returns the Short at position i in the tuple.

Specified by:

getShort in interface ITuple

getByte

public Byte getByte(int i)

Description copied from interface: ITuple

Returns the Byte at position i in the tuple.

Specified by:

getByte in interface ITuple

getDouble

public Double getDouble(int i)

Description copied from interface: ITuple

Returns the Double at position i in the tuple.

Specified by:

getDouble in interface ITuple

getFloat

public Float getFloat(int i)

Description copied from interface: ITuple

Returns the Float at position i in the tuple.

Specified by:

getFloat in interface ITuple

getBinary

public byte[] getBinary(int i)

Description copied from interface: ITuple

Returns the byte array at position i in the tuple.

Specified by:

getBinary in interface ITuple

getValueByField

public Object getValueByField(String field)

Description copied from interface: ITuple

Gets the field with a specific name. Returns object since tuples are dynamically typed.

Specified by:

getValueByField in interface ITuple

getStringByField

public String getStringByField(String field)

Description copied from interface: ITuple

Gets the String field with a specific name.

Specified by:

getStringByField in interface ITuple

getIntegerByField

public Integer getIntegerByField(String field)

Description copied from interface: ITuple

Gets the Integer field with a specific name.

Specified by:

getIntegerByField in interface ITuple

getLongByField

public Long getLongByField(String field)

Description copied from interface: ITuple

Gets the Long field with a specific name.

Specified by:

getLongByField in interface ITuple

getBooleanByField

public Boolean getBooleanByField(String field)

Description copied from interface: ITuple

Gets the Boolean field with a specific name.

Specified by:

getBooleanByField in interface ITuple

getShortByField

public Short getShortByField(String field)

Description copied from interface: ITuple

Gets the Short field with a specific name.

Specified by:

getShortByField in interface ITuple

getByteByField

public Byte getByteByField(String field)

Description copied from interface: ITuple

Gets the Byte field with a specific name.

Specified by:

getByteByField in interface ITuple

getDoubleByField

public Double getDoubleByField(String field)

Description copied from interface: ITuple

Gets the Double field with a specific name.

Specified by:

getDoubleByField in interface ITuple

getFloatByField

public Float getFloatByField(String field)

Description copied from interface: ITuple

Gets the Float field with a specific name.

Specified by:

getFloatByField in interface ITuple

getBinaryByField

public byte[] getBinaryByField(String field)

Description copied from interface: ITuple

Gets the Byte array field with a specific name.

Specified by:

getBinaryByField in interface ITuple