org.jenkinsci.plugins.ewm.strategies

Class DiskAllocationStrategy

java.lang.Object

org.jenkinsci.plugins.ewm.strategies.DiskAllocationStrategy

Direct Known Subclasses:

MostUsableSpaceStrategy

public abstract class DiskAllocationStrategy
extends Object

Abstract class for defining a disk allocation strategy. Each disk allocation strategy should extend this class and provide its own implementation of disk allocation.

Author:

Alexandru Somai

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DiskAllocationStrategy(String diskPoolId, List<DiskPool> diskPools)

Method Summary

Modifier and Type	Method and Description
Disk	allocateDisk() Allocates a disk from the given disk pool.
protected abstract Disk	allocateDisk(List<Disk> disks) Allocates a disk from the given list.
protected String	getDiskPoolId()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DiskAllocationStrategy

protected DiskAllocationStrategy(@Nonnull
                                 String diskPoolId,
                                 @Nonnull
                                 List<DiskPool> diskPools)

Method Detail

allocateDisk

@Nonnull
public Disk allocateDisk()
                           throws IOException

Allocates a disk from the given disk pool.

Returns:

the allocated disk pool

Throws:

IOException - if the disk pool doesn't have defined any Disk entries

See Also:

findDiskPool(), ()

allocateDisk

@Nonnull
protected abstract Disk allocateDisk(List<Disk> disks)
                                       throws IOException

Allocates a disk from the given list. The list contains at least one Disk entry.

Parameters:

disks - the disks from which to allocate a disk. The list has at least one element.

Returns:

the selected disk

Throws:

IOException - if any mandatory field is missing from the Disk entry

getDiskPoolId

protected String getDiskPoolId()