IHostManager

```
public interface IHostManager
```
Manager for retrieving hosts defined in the Topaz Workbench client.

Since:

1.0.0

Version:

2.0.0

See Also:

HostManager.getInstance()

Restriction:

This interface is not intended to be extended by clients.

Restriction:

This interface is not intended to be implemented by clients.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`com.compuware.api.topaz.hosts.zos.IZOSHost`	`findZOSHost(String host, int port)`	Returns the z/OS host that is defined in the Topaz Workbench client with the specified host and port.
`List<com.compuware.api.topaz.hosts.zos.IZOSHost>`	`getZOSHosts()`	Returns all z/OS hosts defined in the Topaz Workbench client.

- Method Detail
  - findZOSHost
```
com.compuware.api.topaz.hosts.zos.IZOSHost findZOSHost(String host,
                                                       int port)
```
    Returns the z/OS host that is defined in the Topaz Workbench client with the specified host and port.
    Regarding parameter validation for this method:
    A host is considered invalid if:
    
    A DNS name is specified that cannot be resolved to an IP address.
    
    An IPv4 IP address is specified but does not have exactly 4 period-delimited integer qualifiers between 0 and 255.
    
    A port is considered invalid if:
    
    It is outside the integer range of 0-65535.
    Parameters:
    
    host - the name or IPv4 IP address of the host
    
    port - the port
    
    Returns:
    
    the host or null if the host can not be found
    
    Throws:
    
    IllegalArgumentException - if host is null or invalid, or if port is invalid
    
    Since:
    
    1.0.0
  - getZOSHosts
```
List<com.compuware.api.topaz.hosts.zos.IZOSHost> getZOSHosts()
```
    Returns all z/OS hosts defined in the Topaz Workbench client.
    An empty list will be returned if no z/OS hosts are defined in the Topaz Workbench client.
    
    Returns:
    
    the list of z/OS hosts
    
    Since:
    
    1.0.0