org.eclipse.milo.opcua.sdk.server.nodes

Class DefaultAttributeFilter

java.lang.Object

org.eclipse.milo.opcua.sdk.server.nodes.DefaultAttributeFilter

All Implemented Interfaces:

AttributeFilter

public final class DefaultAttributeFilter
extends Object
implements AttributeFilter

An AttributeFilter that gets or sets the actual attribute value from the backing field of a UaNode.

DefaultAttributeFilter does not invoke further attribute filters in the chain.

Field Summary

Fields inherited from interface org.eclipse.milo.opcua.sdk.server.nodes.filters.AttributeFilter

DEFAULT_INSTANCE

Constructor Summary

Constructors

Constructor and Description
DefaultAttributeFilter()

Method Summary

Modifier and Type	Method and Description
@Nullable Object	getAttribute(AttributeFilterContext.GetAttributeContext ctx, AttributeId attributeId) Get the value for the attribute identified by attributeId or delegate to the next filter in the chain.
void	setAttribute(AttributeFilterContext.SetAttributeContext ctx, AttributeId attributeId, @Nullable Object value) Set the value for the attribute identified by attributeId or delegate to the next filter in the chain.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultAttributeFilter

public DefaultAttributeFilter()

Method Detail

getAttribute

@Nullable
public @Nullable Object getAttribute(AttributeFilterContext.GetAttributeContext ctx,
                                               AttributeId attributeId)

Description copied from interface: AttributeFilter

Get the value for the attribute identified by attributeId or delegate to the next filter in the chain.

Specified by:

getAttribute in interface AttributeFilter

Parameters:

ctx - the AttributeFilterContext.

attributeId - the AttributeId of the attribute to get the value of.

Returns:

the value for the attribute identified by attributeId.

See Also:

AttributeFilterContext.GetAttributeContext.getAttribute(AttributeId)

setAttribute

public void setAttribute(AttributeFilterContext.SetAttributeContext ctx,
                         AttributeId attributeId,
                         @Nullable
                         @Nullable Object value)

Description copied from interface: AttributeFilter

Set the value for the attribute identified by attributeId or delegate to the next filter in the chain.

Specified by:

setAttribute in interface AttributeFilter

Parameters:

ctx - the AttributeFilterContext.

attributeId - the AttributeId of the attribute to set the value of.

value - the value to set.

See Also:

AttributeFilterContext.SetAttributeContext.setAttribute(AttributeId, Object)