IContentTableSourcePreviewBehavior

All Known Implementing Classes:

HierarchicalContentSource
```
public interface IContentTableSourcePreviewBehavior
```
Interface that may be implemented by ContentTableSource subclasses to customize preview behavior.

Since:

17.1.0

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default java.util.Set<java.lang.String>`	`getPreviewInterfaceInstanceIds(java.lang.String itemId)`	Returns the identifiers of the service interface instances that may be used for previewing the specified item.

- Method Detail
  - getPreviewInterfaceInstanceIds
```
default java.util.Set<java.lang.String> getPreviewInterfaceInstanceIds(java.lang.String itemId)
                                                                throws PortalException
```
    Returns the identifiers of the service interface instances that may be used for previewing the specified item. The preview functionality will analyze the returned identifiers and may discard some of them due to other configurations or constraints.
    
    Parameters:
    
    itemId - the item identifier.
    
    Returns:
    
    a set with the service interface instance identifiers, or an empty set if none may be used.
    
    Throws:
    
    PortalException
    
    Since:
    
    17.1.0