com.hazelcast.query.impl

Class QueryableEntry<K,V>

java.lang.Object

com.hazelcast.query.impl.QueryableEntry<K,V>

All Implemented Interfaces:

Extractable, Map.Entry<K,V>

Direct Known Subclasses:

CachedQueryEntry, QueryEntry

public abstract class QueryableEntry<K,V>
extends Object
implements Extractable, Map.Entry<K,V>

This abstract class contains methods related to Queryable Entry, which means searched an indexed by SQL query or predicate.

If the object, which is used as the extraction target, is not of Data or Portable type the serializationService will not be touched at all.

Field Summary

Fields

Modifier and Type	Field and Description
protected Extractors	extractors
protected InternalSerializationService	serializationService

Constructor Summary

Constructors

Constructor and Description
QueryableEntry()

Method Summary

Modifier and Type	Method and Description
static AttributeType	extractAttributeType(Object attributeValue) Deduces the AttributeType of the given non-null attribute value.
Object	getAttributeValue(String attributeName)
abstract K	getKey()
abstract Data	getKeyData()
Metadata	getMetadata()
protected abstract Object	getTargetObject(boolean key)
abstract V	getValue()
abstract Data	getValueData()
void	setMetadata(Metadata metadata)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Map.Entry

comparingByKey, comparingByKey, comparingByValue, comparingByValue, equals, hashCode, setValue

Field Detail

serializationService

protected InternalSerializationService serializationService

extractors

protected Extractors extractors

Constructor Detail

QueryableEntry

public QueryableEntry()

Method Detail

getMetadata

public Metadata getMetadata()

setMetadata

public void setMetadata(Metadata metadata)

getAttributeValue

public Object getAttributeValue(String attributeName)
                         throws QueryException

Specified by:

getAttributeValue in interface Extractable

Throws:

QueryException

getValue

public abstract V getValue()

Specified by:

getValue in interface Map.Entry<K,V>

getKey

public abstract K getKey()

Specified by:

getKey in interface Map.Entry<K,V>

getKeyData

public abstract Data getKeyData()

getValueData

public abstract Data getValueData()

getTargetObject

protected abstract Object getTargetObject(boolean key)

extractAttributeType

public static AttributeType extractAttributeType(Object attributeValue)

Deduces the AttributeType of the given non-null attribute value.

Parameters:

attributeValue - the attribute value to deduce the type of.

Returns:

the deduced attribute type or null if there is no attribute type corresponding to the type of the value. See AttributeType for the list of representable attribute types.