public Set<String> resourceNames(final String catalog) {
		Set<String> resources = new HashSet<>();
		for (ResourceSelection selection : selections) {
			if (selection.getCatalog().equals(catalog)) {
				resources.add(selection.getName());
			}
		}
		return resources;
	}
public Set<String> resourceNames(final String catalog) {
		Set<String> resources = new HashSet<>();
		for (ResourceSelection selection : selections) {
			if (selection.getCatalog().equals(catalog)) {
				resources.add(selection.getName());
			}
		}
		return resources;
	}
public Set < String > resourceNames ( final String catalog ) { Set < String > resources = new HashSet <> ( ) ; for ( ResourceSelection selection : selections ) { if ( selection . getCatalog ( ) . equals ( catalog ) ) { resources . add ( selection . getName ( ) ) ; } } return resources ; }
根据类别名称获取集合中包含的同一类别的资源名称。

@param catalog
类别
@return 资源名称集合
根据类别名称获取集合中包含的同一类别的资源名称。