cz.o2.proxima.direct.randomaccess

Class KeyValue<T>

java.lang.Object

cz.o2.proxima.storage.StreamElement

cz.o2.proxima.direct.randomaccess.KeyValue<T>

All Implemented Interfaces:

java.io.Serializable

@Evolving
public class KeyValue<T>
extends StreamElement

KeyValue with Offset.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private RandomOffset	offset

Constructor Summary

Constructors

Modifier	Constructor and Description
private	KeyValue(EntityDescriptor entityDesc, AttributeDescriptor<T> attrDesc, java.lang.String key, java.lang.String attribute, RandomOffset offset, T value, byte[] valueBytes, long stamp)

Method Summary

Modifier and Type	Method and Description
private static <T> byte[]	asValueBytes(AttributeDescriptor<T> attr, T value, byte[] valueBytes)
boolean	equals(java.lang.Object obj)
T	getParsedRequired() Equivalent of getParsed().get() throwing explaining exceptions.
int	hashCode()
static <T> KeyValue<T>	of(EntityDescriptor entityDesc, AttributeDescriptor<T> attrDesc, java.lang.String key, java.lang.String attribute, RandomOffset offset, byte[] valueBytes)
static <T> KeyValue<T>	of(EntityDescriptor entityDesc, AttributeDescriptor<T> attrDesc, java.lang.String key, java.lang.String attribute, RandomOffset offset, byte[] valueBytes, long stamp)
static <T> KeyValue<T>	of(EntityDescriptor entityDesc, AttributeDescriptor<T> attrDesc, java.lang.String key, java.lang.String attribute, RandomOffset offset, T value, byte[] valueBytes)
static <T> KeyValue<T>	of(EntityDescriptor entityDesc, AttributeDescriptor<T> attrDesc, java.lang.String key, java.lang.String attribute, RandomOffset offset, T value, byte[] valueBytes, long stamp)
java.lang.String	toString()

Methods inherited from class cz.o2.proxima.storage.StreamElement

delete, deleteWildcard, deleteWildcard, dump, getAttribute, getAttributeDescriptor, getEntityDescriptor, getKey, getParsed, getStamp, getUuid, getValue, isDelete, isDeleteWildcard, setParsed, upsert

Methods inherited from class java.lang.Object

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

Field Detail

offset

private final RandomOffset offset

Constructor Detail

KeyValue

private KeyValue(EntityDescriptor entityDesc,
                 AttributeDescriptor<T> attrDesc,
                 java.lang.String key,
                 java.lang.String attribute,
                 RandomOffset offset,
                 T value,
                 @Nullable
                 byte[] valueBytes,
                 long stamp)

Method Detail

of

public static <T> KeyValue<T> of(EntityDescriptor entityDesc,
                                 AttributeDescriptor<T> attrDesc,
                                 java.lang.String key,
                                 java.lang.String attribute,
                                 RandomOffset offset,
                                 byte[] valueBytes)

of

public static <T> KeyValue<T> of(EntityDescriptor entityDesc,
                                 AttributeDescriptor<T> attrDesc,
                                 java.lang.String key,
                                 java.lang.String attribute,
                                 RandomOffset offset,
                                 byte[] valueBytes,
                                 long stamp)

of

public static <T> KeyValue<T> of(EntityDescriptor entityDesc,
                                 AttributeDescriptor<T> attrDesc,
                                 java.lang.String key,
                                 java.lang.String attribute,
                                 RandomOffset offset,
                                 T value,
                                 byte[] valueBytes)

of

public static <T> KeyValue<T> of(EntityDescriptor entityDesc,
                                 AttributeDescriptor<T> attrDesc,
                                 java.lang.String key,
                                 java.lang.String attribute,
                                 RandomOffset offset,
                                 T value,
                                 byte[] valueBytes,
                                 long stamp)

asValueBytes

private static <T> byte[] asValueBytes(AttributeDescriptor<T> attr,
                                       T value,
                                       byte[] valueBytes)

getParsedRequired

public T getParsedRequired()

Equivalent of getParsed().get() throwing explaining exceptions.

Returns:

value if present

Throws:

java.lang.IllegalStateException - if StreamElement.getParsed() would have returned Optional.empty()

toString

public java.lang.String toString()

Overrides:

toString in class StreamElement

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class StreamElement

hashCode

public int hashCode()

Overrides:

hashCode in class StreamElement