org.gradoop.common.model.impl.properties

Class Property

java.lang.Object

org.gradoop.common.model.impl.properties.Property

All Implemented Interfaces:

Serializable, Comparable<Property>, org.apache.flink.core.io.IOReadableWritable, org.apache.flink.types.Value

public class Property
extends Object
implements org.apache.flink.types.Value, Serializable, Comparable<Property>

A single property in the EPGM model. A property consists of a property key and a property value, whereas a given property key does not enforce specific value type.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Property() Creates a new property.

Method Summary

Modifier and Type	Method and Description
int	compareTo(Property o)
static Property	create(String key, Object value) Creates a new property from the given arguments.
static Property	create(String key, PropertyValue value) Creates a new property from the given arguments.
boolean	equals(Object o)
String	getKey() Returns the property key.
PropertyValue	getValue() Returns the property value.
int	hashCode()
void	read(org.apache.flink.core.memory.DataInputView inputView)
void	setKey(String key) Sets the property key.
void	setValue(PropertyValue value) Sets the property value.
String	toString()
void	write(org.apache.flink.core.memory.DataOutputView outputView)

Methods inherited from class java.lang.Object

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

Constructor Detail

Property

public Property()

Creates a new property.

Method Detail

create

public static Property create(String key,
                              PropertyValue value)

Creates a new property from the given arguments.

Parameters:

key - property key

value - property value

Returns:

property

create

public static Property create(String key,
                              Object value)

Creates a new property from the given arguments. Note that the given value type must be supported by PropertyValue.

Parameters:

key - property key

value - property value

Returns:

property

getKey

public String getKey()

Returns the property key.

Returns:

property key

setKey

public void setKey(String key)

Sets the property key.

Parameters:

key - property key (must not be null)

getValue

public PropertyValue getValue()

Returns the property value.

Returns:

property value

setValue

public void setValue(PropertyValue value)

Sets the property value.

Parameters:

value - property value (must not be null)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(Property o)

Specified by:

compareTo in interface Comparable<Property>

write

public void write(org.apache.flink.core.memory.DataOutputView outputView)
           throws IOException

Specified by:

write in interface org.apache.flink.core.io.IOReadableWritable

Throws:

IOException

read

public void read(org.apache.flink.core.memory.DataInputView inputView)
          throws IOException

Specified by:

read in interface org.apache.flink.core.io.IOReadableWritable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object