com.hazelcast.mapreduce.impl

Class HashMapAdapter<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

com.hazelcast.mapreduce.impl.HashMapAdapter<K,V>

Type Parameters:

K - key type

V - value type

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable, Serializable, Cloneable, Map<K,V>

public class HashMapAdapter<K,V>
extends HashMap<K,V>
implements IdentifiedDataSerializable

Simple HashMap adapter class to implement DataSerializable serialization semantics to not loose hands on serialization while sending intermediate results.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
HashMapAdapter()
HashMapAdapter(int initialCapacity)
HashMapAdapter(int initialCapacity, float loadFactor)
HashMapAdapter(Map<? extends K,? extends V> m)

Method Summary

Modifier and Type	Method and Description
int	getFactoryId() Returns DataSerializableFactory factory ID for this class.
int	getId() Returns type identifier for this class.
void	readData(ObjectDataInput in) Reads fields from the input stream
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class java.util.HashMap

clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

HashMapAdapter

public HashMapAdapter(int initialCapacity,
                      float loadFactor)

HashMapAdapter

public HashMapAdapter(int initialCapacity)

HashMapAdapter

public HashMapAdapter()

HashMapAdapter

public HashMapAdapter(Map<? extends K,? extends V> m)

Method Detail

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory ID for this class.

Specified by:

getFactoryId in interface IdentifiedDataSerializable

Returns:

factory ID

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. It should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type ID

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Description copied from interface: DataSerializable

Writes object fields to output stream

Specified by:

writeData in interface DataSerializable

Parameters:

out - output

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the output stream has been closed.

readData

public void readData(ObjectDataInput in)
              throws IOException

Description copied from interface: DataSerializable

Reads fields from the input stream

Specified by:

readData in interface DataSerializable

Parameters:

in - input

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the input stream has been closed.