pl.edu.agh.cast.model.attributes
Class AttributeMergePolicy.MergePolicyAlwaysSecond

java.lang.Object
  pl.edu.agh.cast.model.attributes.AttributeMergePolicy
      pl.edu.agh.cast.model.attributes.AttributeMergePolicy.MergePolicyAlwaysSecond

All Implemented Interfaces:

Serializable

Enclosing class:

AttributeMergePolicy

public static final class AttributeMergePolicy.MergePolicyAlwaysSecond
extends AttributeMergePolicy

A merge policy that always returns the second value.

Author:

AGH CAST Team

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class pl.edu.agh.cast.model.attributes.AttributeMergePolicy

AttributeMergePolicy.MergePolicyAlwaysFirst, AttributeMergePolicy.MergePolicyAlwaysSecond, AttributeMergePolicy.MergePolicyLogicalAnd, AttributeMergePolicy.MergePolicyLogicalOr

Field Summary

Fields inherited from class pl.edu.agh.cast.model.attributes.AttributeMergePolicy

MERGE_POLICY_ALWAYS_FIRST, MERGE_POLICY_ALWAYS_SECOND, MERGE_POLICY_LOGICAL_AND, MERGE_POLICY_LOGICAL_OR

Method Summary

String	getId() Returns the unique id of this policy.
Object	mergeValues(Attribute attribute, Object firstValue, Object secondValue) Merges two Attribute values into one.

Methods inherited from class pl.edu.agh.cast.model.attributes.AttributeMergePolicy

checkIfBoolean, equals, hashCode, resolve, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

mergeValues

public Object mergeValues(Attribute attribute,
                          Object firstValue,
                          Object secondValue)

Merges two Attribute values into one. It is possible that the returned value will be one of the parameters, or a completely new object.

Specified by:

mergeValues in class AttributeMergePolicy

Parameters:

attribute - Attribute to merge

firstValue - first value

secondValue - second value

Returns:

an AttributeValue that is the result of merging given values according to the policy

See Also:

#mergeValues(pl.edu.agh.cast.model.attributes.VisualAttribute, java.lang.Object, java.lang.Object)

getId

public String getId()

Returns the unique id of this policy.

Specified by:

getId in class AttributeMergePolicy

Returns:

policy id

See Also:

AttributeMergePolicy.getId()