Properties (Gradoop Common 0.5.1 API)

java.lang.Object
- org.gradoop.common.model.impl.properties.Properties

All Implemented Interfaces:

Serializable, Iterable<Property>, org.apache.flink.core.io.IOReadableWritable, org.apache.flink.types.Value
```
public class Properties
extends Object
implements Iterable<Property>, org.apache.flink.types.Value, Serializable
```
Represents the properties of an EPGMElement.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description

Properties()
Default constructor

Constructors
Constructor and Description
`Properties()` Default constructor

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`clear()` Removes all elements from these properties.
`boolean`	`containsKey(String key)` Checks if a property with the given key is contained in the properties.
`static Properties`	`create()` Creates a new property list.
`static Properties`	`createFromMap(Map<String,Object> map)` Creates a new property collection from a given map.
`static Properties`	`createWithCapacity(int capacity)` Creates a new property list with the given initial capacity.
`boolean`	`equals(Object o)` Two properties collections are considered equal, if they contain the same properties in the same order.
`PropertyValue`	`get(String key)` Returns the value to the given key of `null` if the value does not exist.
`Iterable<String>`	`getKeys()` Returns property keys in insertion order.
`int`	`hashCode()` Two properties collections have identical hash codes, if they contain the same properties in the same order.
`boolean`	`isEmpty()` True, if the properties collection does not store any properties.
`Iterator<Property>`	`iterator()`
`void`	`read(org.apache.flink.core.memory.DataInputView inputView)`
`PropertyValue`	`remove(Property property)` Removes the given property from the list.
`PropertyValue`	`remove(String key)` Removes the property of the given key from the list.
`void`	`set(Property property)` Sets the given property.
`void`	`set(String key, Object value)` Sets the given property.
`void`	`set(String key, PropertyValue value)` Sets the given property.
`int`	`size()` Returns the number of properties.
`List<Property>`	`toList()` Returns a list of properties.
`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

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Constructor Detail
  - Properties
```
public Properties()
```
    Default constructor
- Method Detail
  - create
```
public static Properties create()
```
    Creates a new property list.
    
    Returns:
    
    PropertyList
  - createWithCapacity
```
public static Properties createWithCapacity(int capacity)
```
    Creates a new property list with the given initial capacity.
    
    Parameters:
    
    capacity - initial capacity
    
    Returns:
    
    PropertyList
  - createFromMap
```
public static Properties createFromMap(Map<String,Object> map)
```
    Creates a new property collection from a given map. If map is null an empty properties instance will be returned.
    
    Parameters:
    
    map - key value map
    
    Returns:
    
    PropertyList
  - getKeys
```
public Iterable<String> getKeys()
```
    Returns property keys in insertion order.
    
    Returns:
    
    property keys
  - containsKey
```
public boolean containsKey(String key)
```
    Checks if a property with the given key is contained in the properties.
    
    Parameters:
    
    key - property key
    
    Returns:
    
    true, if there is a property with the given key
  - get
```
public PropertyValue get(String key)
```
    Returns the value to the given key of null if the value does not exist.
    
    Parameters:
    
    key - property key
    
    Returns:
    
    property value or null if key does not exist
  - set
```
public void set(Property property)
```
    Sets the given property. If a property with the same property key already exists, it will be replaced by the given property.
    
    Parameters:
    
    property - property
  - set
```
public void set(String key,
                PropertyValue value)
```
    Sets the given property. If a property with the same property key already exists, it will be replaced by the given property.
    
    Parameters:
    
    key - property key
    
    value - property value
  - set
```
public void set(String key,
                Object value)
```
    Sets the given property. If a property with the same property key already exists, it will be replaced by the given property.
    
    Parameters:
    
    key - property key
    
    value - property value
  - remove
```
public PropertyValue remove(String key)
```
    Removes the property of the given key from the list.
    
    Parameters:
    
    key - property key
    
    Returns:
    
    the previous value associated with key, or null if there was no mapping for key.
  - remove
```
public PropertyValue remove(Property property)
```
    Removes the given property from the list.
    
    Parameters:
    
    property - property
    
    Returns:
    
    the previous value associated with key, or null if there was no mapping for key.
  - clear
```
public void clear()
```
    Removes all elements from these properties.
  - size
```
public int size()
```
    Returns the number of properties.
    
    Returns:
    
    number of properties
  - isEmpty
```
public boolean isEmpty()
```
    True, if the properties collection does not store any properties.
    
    Returns:
    
    true if collection is empty, false otherwise
  - equals
```
public boolean equals(Object o)
```
    Two properties collections are considered equal, if they contain the same properties in the same order.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    o - other properties collection
    
    Returns:
    
    true, iff the two property collections contain the same elements in the same order
  - hashCode
```
public int hashCode()
```
    Two properties collections have identical hash codes, if they contain the same properties in the same order.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    hash code
  - iterator
```
public Iterator<Property> iterator()
```
    Specified by:
    
    iterator in interface Iterable<Property>
  - toList
```
public List<Property> toList()
```
    Returns a list of properties.
    
    Returns:
    
    List of properties
  - 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

Class Properties

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.Iterable

Constructor Detail

Properties

Method Detail

create

createWithCapacity

createFromMap

getKeys

containsKey

get

set

set

set

remove

remove

clear

size

isEmpty

equals

hashCode

iterator

toList

write

read

toString