I overrode the SymbolBindingFactory with the attached
MySymbolBindingFactory and it appears to work, but I'd like a second
opinion. As I understand it Bindings are cached so my question is will
making the set method a no op instead of an error cause any problems?
I created this mixin to test it.
public class GridEnviromentMixin {
@BindParameter
private Boolean lean;
@BindParameter
private int rowsPerPage;
@Inject
private Environment environment;
@Inject
private Logger logger;
@Inject
private ComponentResources resources;
@SetupRender
void setupRender() {
environment.push(GridEnvironment.class, new
GridEnvironmentImpl().withLean(lean));
logger.info("rows {}",rowsPerPage);
rowsPerPage= 10;
logger.info("rows {}",rowsPerPage);
}
@CleanupRender
void cleanupRender() {
environment.pop(GridEnvironment.class);
}
}
and the output is this
[INFO] mixins.GridEnviromentMixin rows 25
[INFO] mixins.GridEnviromentMixin rows 10
public class MySymbolBindingFactory implements BindingFactory {
private final SymbolSource symbolSource;
private final Logger logger;
public MySymbolBindingFactory(SymbolSource symbolSource, Logger
logger)
{
this.symbolSource = symbolSource;
this.logger = logger;
}
public Binding newBinding(String description,
ComponentResources container,
ComponentResources component, String expression,
Location location)
{
String value = symbolSource.valueForSymbol(expression);
logger.info("value {} {}",expression ,value);
return new SymbolBinding(location, description, value);
}
public class SymbolBinding implements Binding {
private Object value;
public SymbolBinding(Location location, String description,
String value) {
this.value = value;
}
@Override
public <T extends Annotation> T getAnnotation(Class<T>
arg0) {
return null;
}
@Override
public Object get() {
return value;
}
@Override
public Class getBindingType() {
return value.getClass();
}
@Override
public boolean isInvariant() {
return false;
}
@Override
public void set(Object value) {
//this.value = value;
}
}
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