DefaultAllocator (Cap'n Proto runtime library 0.1.16 API)

java.lang.Object
- org.capnproto.DefaultAllocator

All Implemented Interfaces:: Allocator

public class DefaultAllocator
extends Object
implements Allocator

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class DefaultAllocator.ByteBufferAllocationStyle

Field Summary

Fields
Modifier and Type	Field	Description
`BuilderArena.AllocationStrategy`	`allocationStrategy`
`DefaultAllocator.ByteBufferAllocationStyle`	`allocationStyle`
`int`	`maxSegmentBytes`	The largest number of bytes to try allocating when using `GROW_HEURISTICALLY`.

Constructor Summary

Constructors
Constructor	Description
`DefaultAllocator()`
`DefaultAllocator(BuilderArena.AllocationStrategy allocationStrategy)`
`DefaultAllocator(BuilderArena.AllocationStrategy allocationStrategy, DefaultAllocator.ByteBufferAllocationStyle style)`
`DefaultAllocator(DefaultAllocator.ByteBufferAllocationStyle style)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ByteBuffer`	`allocateSegment(int minimumSize)`	Allocates a ByteBuffer to be used as a segment in a message.
`void`	`setNextAllocationSizeBytes(int nextSize)`

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

- Field Detail
  - allocationStyle
```
public DefaultAllocator.ByteBufferAllocationStyle allocationStyle
```
  - allocationStrategy
```
public BuilderArena.AllocationStrategy allocationStrategy
```
  - maxSegmentBytes
```
public int maxSegmentBytes
```
    The largest number of bytes to try allocating when using `GROW_HEURISTICALLY`. Set this value smaller if you get the error: java.lang.OutOfMemoryError: Requested array size exceeds VM limit Experimentally, `Integer.MAX_VALUE - 2` seems to work on most systems.
- Constructor Detail
  - DefaultAllocator
```
public DefaultAllocator()
```
  - DefaultAllocator
```
public DefaultAllocator(BuilderArena.AllocationStrategy allocationStrategy)
```
  - DefaultAllocator
```
public DefaultAllocator(DefaultAllocator.ByteBufferAllocationStyle style)
```
  - DefaultAllocator
```
public DefaultAllocator(BuilderArena.AllocationStrategy allocationStrategy,
                        DefaultAllocator.ByteBufferAllocationStyle style)
```
- Method Detail
  - setNextAllocationSizeBytes
```
public void setNextAllocationSizeBytes(int nextSize)
```
  - allocateSegment
```
public ByteBuffer allocateSegment(int minimumSize)
```
    Description copied from interface: Allocator
    
    Allocates a ByteBuffer to be used as a segment in a message. The returned buffer must contain at least `minimumSize` bytes, all of which MUST be set to zero.
    
    Specified by:
    
    allocateSegment in interface Allocator