ValueGenerationBlock (DataNucleus Core 6.0.1-SNAPSHOT API)

java.lang.Object
- org.datanucleus.store.valuegenerator.ValueGenerationBlock<T>

Type Parameters:

T - Type of the value (String, Long etc)

All Implemented Interfaces:

Serializable
```
public class ValueGenerationBlock<T>
extends Object
implements Serializable
```
Representation of a block of values.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

ValueGenerationBlock(List<T> oid)
Constructor.

ValueGenerationBlock(T[] values)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addBlock(ValueGenerationBlock<T> block)`	Method to append a block onto this block.
`T`	`current()`	Accessor for the current value.
`boolean`	`hasNext()`	Accessor for whether there are more values remaining in the block.
`T`	`next()`	Accessor for the next value, or null if block values exhausted
`String`	`toString()`	Stringify method.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ValueGenerationBlock
```
public ValueGenerationBlock(T[] values)
```
    Constructor.
    
    Parameters:
    
    values - The block of objects that will be considered the "values"
  - ValueGenerationBlock
```
public ValueGenerationBlock(List<T> oid)
```
    Constructor.
    
    Parameters:
    
    oid - The list of objects that will be considered the "values"
- Method Detail
  - current
```
public T current()
```
    Accessor for the current value.
    
    Returns:
    
    The current value
    
    Throws:
    
    NoSuchElementException - Thrown if no current value
  - next
```
public T next()
```
    Accessor for the next value, or null if block values exhausted
    
    Returns:
    
    The next value
  - hasNext
```
public boolean hasNext()
```
    Accessor for whether there are more values remaining in the block.
    
    Returns:
    
    True when has more values
  - addBlock
```
public void addBlock(ValueGenerationBlock<T> block)
```
    Method to append a block onto this block. This is used where we have some values left, and we want to allocate more to go into this block.
    
    Parameters:
    
    block - The other block
  - toString
```
public String toString()
```
    Stringify method.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    A string version of this object