com.io7m.smfj.processing.api

Class SMFFilterCommandChecks

java.lang.Object

com.io7m.smfj.processing.api.SMFFilterCommandChecks

public final class SMFFilterCommandChecks
extends Object

Useful methods for implementing filter commands.

Method Summary

Modifier and Type	Method and Description
static javaslang.collection.Seq<SMFProcessingError>	checkAttributeExists(javaslang.collection.Seq<SMFProcessingError> errors, javaslang.collection.Map<SMFAttributeName,SMFAttribute> attributes, SMFAttributeName name) Check that the given attribute exists.
static javaslang.collection.Seq<SMFProcessingError>	checkAttributeNonexistent(javaslang.collection.Seq<SMFProcessingError> errors, javaslang.collection.Map<SMFAttributeName,SMFAttribute> attributes, SMFAttributeName name) Check that the given attribute does not exist.

Methods inherited from class java.lang.Object

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

Method Detail

checkAttributeExists

public static javaslang.collection.Seq<SMFProcessingError> checkAttributeExists(javaslang.collection.Seq<SMFProcessingError> errors,
                                                                                javaslang.collection.Map<SMFAttributeName,SMFAttribute> attributes,
                                                                                SMFAttributeName name)

Check that the given attribute exists.

Parameters:

errors - The current list of errors

attributes - The available attributes

name - The attribute name

Returns:

The list of errors plus an error indicating that the attribute does not exist

checkAttributeNonexistent

public static javaslang.collection.Seq<SMFProcessingError> checkAttributeNonexistent(javaslang.collection.Seq<SMFProcessingError> errors,
                                                                                     javaslang.collection.Map<SMFAttributeName,SMFAttribute> attributes,
                                                                                     SMFAttributeName name)

Check that the given attribute does not exist.

Parameters:

errors - The current list of errors

attributes - The available attributes

name - The attribute name

Returns:

The list of errors plus an error indicating that the attribute already exists