PolicyMerger (Metro Web Services Runtime OSGi Bundle 3.0.2 API)

java.lang.Object
- com.sun.xml.ws.policy.PolicyMerger

```
public final class PolicyMerger
extends Object
```
Merge policies and return the effective policy. WS-PolicyAttachment defines a merge algorithm for WSDL 1.1 policy attachments.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static PolicyMerger`	`getMerger()`	Factory method for obtaining thread-safe policy merger instance.
`Policy`	`merge(Collection<Policy> policies)`	Takes collection of policies and merges them into a single policy using algorithm described in WS-PolicyAttachment specification.

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

- Method Detail
  - getMerger
```
public static PolicyMerger getMerger()
```
    Factory method for obtaining thread-safe policy merger instance.
    
    Returns:
    
    policy merger instance.
  - merge
```
public Policy merge(Collection<Policy> policies)
```
    Takes collection of policies and merges them into a single policy using algorithm described in WS-PolicyAttachment specification. None of the original policies in the collection are modified in any way. The newly created policy has an ID that is a concatentation of all merged policy IDs.
    
    Parameters:
    
    policies - collection of policies to be merged. The collection must not contain 'null' elements!
    
    Returns:
    
    merged policy containing combination of policy alternatives stored in all input policies. If provided collection of policies is null or empty, returns null. If provided collection of policies contains only single policy, the policy is returned.