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magik-demo:developer:class:core:tcstatement [2013/07/19 11:00] alex |
magik-demo:developer:class:core:tcstatement [2017/07/06 15:24] (current) |
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| ====== TC - statement ====== | ====== TC - statement ====== | ||
| + | |||
| + | ''**public class TCStatement**'' \\ | ||
| + | ''**implements Serializable**'' | ||
| Table Completeness (TC) statement describes a table completeness statement as it is defined by Razniewski&Nutt(VLDB2011). | Table Completeness (TC) statement describes a table completeness statement as it is defined by Razniewski&Nutt(VLDB2011). | ||
| - | Namely, Compl(R(x);G) is a table completeness statement for the relation R, and under the condition G. \\ | + | {{ :magik-demo:developer:schema2.png?nolink&600 |}} |
| - | Condition G is a conjunction of atoms and x is a vector of arity R. \\ | + | |
| + | Namely, Compl(R(x);G) is a table completeness statement for the relation R, and under the condition G. | ||
| + | |||
| + | Condition G is a conjunction of atoms and x is a vector of arity R. | ||
| A TC statement is satisfied with a partial db D=(Di,Da) if R(x)(Di) {{:magik-demo:developer:class:core:subset_of_or_equal_to_icon_256x256.png?nolink&11|}} (R(x),G)(Da). | A TC statement is satisfied with a partial db D=(Di,Da) if R(x)(Di) {{:magik-demo:developer:class:core:subset_of_or_equal_to_icon_256x256.png?nolink&11|}} (R(x),G)(Da). | ||
| + | |||
| + | ===== Class Attributes ===== | ||
| + | |||
| + | <code java> | ||
| + | private long id | ||
| + | private java.lang.String name | ||
| + | private java.util.ArrayList<Term> headSimpleTerm | ||
| + | private java.util.ArrayList<Atom> conditionG | ||
| + | private java.lang.String description | ||
| + | </code> | ||
| + | |||
| + | ===== Class Constructors ===== | ||
| + | ==== TCStatement ==== | ||
| + | <code java> | ||
| + | public TCStatement () | ||
| + | </code> | ||
| + | |||
| + | Default constructor | ||
| + | |||
| + | ---- | ||
| + | ==== TCStatement ==== | ||
| + | <code java> | ||
| + | public TCStatement (Relation relation, | ||
| + | java.util.ArrayList<Term> headSimpleTerms, | ||
| + | java.util.ArrayList<Atom> conditionG, | ||
| + | java.lang.String description, | ||
| + | java.lang.String name) </code> | ||
| + | | ||
| + | Constructor for creating a tc-stmt filled.\\ | ||
| + | |||
| + | //Called by:// | ||
| + | * it.unibz.inf.magik.web.SessionControl | ||
| + | * it.unibz.inf.magik.core.TCSuggestions | ||
| + | * it.unibz.inf.magik.additional.InvolvedVariablesDetector | ||
| + | * it.unibz.inf.magik.test.TestFK | ||
| + | * it.unibz.inf.magik.test.TestHardCaseFDCandFK | ||
| + | * it.unibz.inf.magik.test.TestSimpleComparison | ||
| + | * it.unibz.inf.magik.test.TestTCQCReasonerBlackWhiteExample | ||
| + | * it.unibz.inf.magik.test.TestTCQCReasonerPlainCompanyEx | ||
| + | * it.unibz.inf.magik.test.TestValQueryProblem | ||
| + | * it.unibz.inf.magik.test.TestTCQCReasonerUnderFDC | ||
| + | * it.unibz.inf.magik.test.TestFK | ||
| + | * it.unibz.inf.magik.test.TestFK2 | ||
| + | * it.unibz.inf.magik.test.TestTCQCReasonerPlainSchoolEx | ||
| + | * it.unibz.inf.magik.test.TestQueryGeneralization | ||
| + | * it.unibz.inf.magik.test.TestTCQCReasonerFKandFD | ||
| + | * it.unibz.inf.magik.test.TestQueryClass | ||
| + | |||
| + | **Parameters:** | ||
| + | * relation | ||
| + | * headSimpleTerms | ||
| + | * conditionG | ||
| + | * description | ||
| + | * name | ||
| + | |||
| + | |||
| + | ===== Class Methods ===== | ||
| + | |||
| + | |||
| + | ==== applyCondition ==== | ||
| + | <code java> | ||
| + | private void applyCondition (java.lang.String termOld, | ||
| + | java.lang.String termNew, | ||
| + | java.util.HashMap<java.lang.String, java.lang.String> termEquality) | ||
| + | throws ParseSQLQueryException | ||
| + | </code> | ||
| + | Apply one or more conditions to a query | ||
| + | |||
| + | **Parameters:** | ||
| + | * termOld - original term | ||
| + | * termNew - new term | ||
| + | * termEquality - map for knowing which term are equal | ||
| + | **Throws:** | ||
| + | * ParseSQLQueryException | ||
| + | |||
| + | |||
| + | ---- | ||
| + | |||
| + | ==== clone ==== | ||
| + | <code java> | ||
| + | @Override | ||
| + | public Object clone () | ||
| + | </code> | ||
| + | |||
| + | **Returns:** | ||
| + | * cloned object (TCStatement type) | ||
| + | |||
| + | |||
| + | ---- | ||
| + | |||
| + | ==== equals ==== | ||
| + | <code java> | ||
| + | @Override | ||
| + | public boolean equals (Object o) | ||
| + | </code> | ||
| + | |||
| + | Implementation for checking the equality for TCStatement | ||
| + | |||
| + | **Returns:** | ||
| + | * //true// if equal, //false// otherwise | ||
| + | |||
| + | |||
| + | ---- | ||
| + | |||
| + | ==== toString ==== | ||
| + | <code java> | ||
| + | @Override | ||
| + | public String toString () | ||
| + | </code> | ||
| + | |||
| + | Implementation for converting in String format TCStatements. | ||
| + | |||
| + | Format: **''Compl(table[term1,term2,term3])''** | ||
| + | |||
| + | |||
| + | **Returns:** | ||
| + | * String version of the TC - statement | ||
| + | |||
| + | |||
| + | ---- | ||
| + | ==== getter and setter methods ==== | ||
| + | <code java> | ||
| + | public Relation getRelation() | ||
| + | public void setRelation(Relation r) | ||
| + | |||
| + | public java.util.ArrayList<Term> getHeadSimpleTerms() | ||
| + | public void setHeadSimpleTerms(java.util.ArrayList<Term> headSimpleTerms) | ||
| + | |||
| + | public java.util.ArrayList<Atom> getConditionG() | ||
| + | public void setConditionG(java.util.ArrayList<Atom> conditionG) | ||
| + | |||
| + | public long getId() | ||
| + | public void setId(long id) | ||
| + | |||
| + | public String getDescription() | ||
| + | public void setDescription(java.lang.String description) | ||
| + | |||
| + | public String getName() | ||
| + | public void setName(java.lang.String name) | ||
| + | </code> | ||
| + | |||
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