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java.lang.Objectmessif.operations.AbstractOperation
messif.operations.QueryOperation<AbstractObject>
messif.operations.ListingQueryOperation
messif.operations.query.GetAllObjectsQueryOperation
public class GetAllObjectsQueryOperation
Operation for retrieving all objects locally stored (organized by an algorithm). Is is usually applied to centralized algorithms only.
Nested Class Summary |
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Nested classes/interfaces inherited from class messif.operations.AbstractOperation |
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AbstractOperation.DataEqualOperation, AbstractOperation.OperationConstructor, AbstractOperation.OperationName |
Field Summary |
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Fields inherited from class messif.operations.QueryOperation |
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answerType |
Fields inherited from class messif.operations.AbstractOperation |
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errValue, operID, suppData |
Constructor Summary | |
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GetAllObjectsQueryOperation()
Creates a new instance of GetAllObjectsQuery. |
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GetAllObjectsQueryOperation(AnswerType answerType)
Creates a new instance of GetAllObjectsQuery. |
Method Summary | |
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protected boolean |
dataEqualsImpl(AbstractOperation obj)
Indicates whether some other operation has the same data as this one. |
int |
dataHashCode()
Returns a hash code value for the data of this operation. |
int |
evaluate(AbstractObjectIterator<? extends LocalAbstractObject> objects)
Evaluate this query on a given set of objects. |
java.lang.Object |
getArgument(int index)
Returns argument that was passed while constructing instance. |
int |
getArgumentCount()
Returns number of arguments that were passed while constructing this instance. |
Methods inherited from class messif.operations.ListingQueryOperation |
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addToAnswer, clearSurplusData, clone, getAnswer, getAnswer, getAnswerClass, getAnswerCount, getAnswerObjects, resetAnswer, updateFrom, updateFrom, updateFrom, updateFrom |
Methods inherited from class messif.operations.QueryOperation |
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appendErrorCode, endOperation, getAnswerType, wasSuccessful |
Methods inherited from class messif.operations.AbstractOperation |
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appendArguments, createOperation, dataEquals, endOperation, equals, getAnnotatedConstructor, getAnnotatedConstructor, getConstructorArgumentDescriptions, getConstructorArgumentDescriptions, getConstructorArguments, getConstructorArguments, getConstructorDescription, getErrorCode, getName, getName, getOperationID, hashCode, isFinished, toString |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public GetAllObjectsQueryOperation()
NoDataObject
.
public GetAllObjectsQueryOperation(AnswerType answerType)
answerType
- the type of objects this operation stores in its answerMethod Detail |
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public java.lang.Object getArgument(int index) throws java.lang.IndexOutOfBoundsException
getArgument
in class AbstractOperation
index
- index of an argument passed to constructor
java.lang.IndexOutOfBoundsException
- if index parameter is out of rangepublic int getArgumentCount()
getArgumentCount
in class AbstractOperation
public int evaluate(AbstractObjectIterator<? extends LocalAbstractObject> objects)
ListingQueryOperation.addToAnswer(messif.objects.AbstractObject)
.
evaluate
in class QueryOperation<AbstractObject>
objects
- the collection of objects on which to evaluate this query
protected boolean dataEqualsImpl(AbstractOperation obj)
dataEqualsImpl
in class AbstractOperation
obj
- the reference object with which to compare.
true
if this object has the same data as the obj
argument; false
otherwise.public int dataHashCode()
dataHashCode
in class AbstractOperation
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