TurtleDB
A mini distributed database system
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Classes | |
class | ParseException |
Static Public Member Functions | |
static Relation | parse (String s) throws XmlQueryParser.ParseException |
static Relation | parse (Document doc) throws XmlQueryParser.ParseException |
Static Protected Member Functions | |
static Relation | parse (Node e) throws XmlQueryParser.ParseException |
static Relation | parseSelection (Node e) throws XmlQueryParser.ParseException |
static Relation | parseProjection (Node e) throws XmlQueryParser.ParseException |
static Relation | parseUnion (Node e) throws XmlQueryParser.ParseException |
static Relation | parseIntersection (Node e) throws XmlQueryParser.ParseException |
static Relation | parseProduct (Node e) throws XmlQueryParser.ParseException |
static Relation | parseJoin (Node e) throws XmlQueryParser.ParseException |
static Condition | parseCondition (Node e) throws XmlQueryParser.ParseException |
static Condition | parseNAryCondition (NAryCondition c, Node e) throws XmlQueryParser.ParseException |
static Equality | parseEquality (Node e) throws XmlQueryParser.ParseException |
static Attribute | parseAttribute (Node e) throws XmlQueryParser.ParseException |
static VariableTable | parseVariableTable (Node e) throws XmlQueryParser.ParseException |
static Table | parseTable (Node e) throws XmlQueryParser.ParseException |
static Value | parseValue (Node e) throws XmlQueryParser.ParseException |
static Tuple | parseTuple (Node e) throws XmlQueryParser.ParseException |
static Schema | parseSchema (Node e) throws XmlQueryParser.ParseException |
Facilities to build relational queries from an XML representation. The XmlQueryParser works in pair with the XmlQueryFormatter; more precisely, for any Relation r
, we should have that XmlQueryParser.parse(XmlQueryFormatter.toXmlDocument(r)) == r
Definition at line 38 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parse | ( | String | s | ) | throws XmlQueryParser.ParseException [static] |
Builds a query from a string
s | A string containing an XML representation of the query |
Definition at line 45 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parse | ( | Document | doc | ) | throws XmlQueryParser.ParseException [static] |
Builds a query from a DOM document
s | A DOM document containing an XML representation of the query |
Definition at line 78 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parse | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse an operand. XML syntax:
<operand> <x></x> </operand>
where x
is either intersection
, union
, selection
, projection
or table
.
e | An XML DOM node |
Definition at line 95 of file XmlQueryParser.java.
static Attribute ca.uqac.dim.turtledb.XmlQueryParser.parseAttribute | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse an attribute. XML syntax:
<attribute>name</attribute>
e | An XML DOM node |
Definition at line 445 of file XmlQueryParser.java.
static Condition ca.uqac.dim.turtledb.XmlQueryParser.parseCondition | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse an equality. XML syntax:
<condition> <x></x> </condition>
where x
is equals
(no other conditions implemented at the moment).
e | An XML DOM node |
Definition at line 358 of file XmlQueryParser.java.
static Equality ca.uqac.dim.turtledb.XmlQueryParser.parseEquality | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse an equality. XML syntax:
<equals> <x></x> <y></y> </equals>
where x
and y
are either attribute
or value
e | An XML DOM node |
Definition at line 409 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parseIntersection | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse an intersection. XML syntax:
<intersection> <operand></operand> <operand></operand> </intersection>
e | An XML DOM node |
Definition at line 256 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parseJoin | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a join. XML syntax:
<join> <condition></condition> <operand></operand> <operand></operand> </join>
e | An XML DOM node |
Definition at line 316 of file XmlQueryParser.java.
static Condition ca.uqac.dim.turtledb.XmlQueryParser.parseNAryCondition | ( | NAryCondition | c, |
Node | e | ||
) | throws XmlQueryParser.ParseException [static, protected] |
Definition at line 381 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parseProduct | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a Cartesian product. XML syntax:
<product> <operand></operand> <operand></operand> </product>
e | An XML DOM node |
Definition at line 286 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parseProjection | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a projection. XML syntax:
<projection> <schema></schema> <operand></operand> </projection>
e | An XML DOM node |
Definition at line 191 of file XmlQueryParser.java.
static Schema ca.uqac.dim.turtledb.XmlQueryParser.parseSchema | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a schema. XML syntax:
<schema> <attribute></attribute> <attribute></attribute> </schema>
e | An XML DOM node |
Definition at line 599 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parseSelection | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a selection. XML syntax:
<projection> <condition></condition> <operand></operand> </projection>
e | An XML DOM node |
Definition at line 157 of file XmlQueryParser.java.
static Table ca.uqac.dim.turtledb.XmlQueryParser.parseTable | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a table. XML syntax:
<table>name</table>
e | An XML DOM node |
Definition at line 508 of file XmlQueryParser.java.
static Tuple ca.uqac.dim.turtledb.XmlQueryParser.parseTuple | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a table tuple. XML syntax:
<tuple> <attr>value</attr> <attr>value</attr> </tuple>
e | An XML DOM node |
Definition at line 568 of file XmlQueryParser.java.
static Relation ca.uqac.dim.turtledb.XmlQueryParser.parseUnion | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a union. XML syntax:
<union> <operand></operand> <operand></operand> </union>
e | An XML DOM node |
Definition at line 226 of file XmlQueryParser.java.
static Value ca.uqac.dim.turtledb.XmlQueryParser.parseValue | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a value. XML syntax:
<value>name</value>
e | An XML DOM node |
Definition at line 547 of file XmlQueryParser.java.
static VariableTable ca.uqac.dim.turtledb.XmlQueryParser.parseVariableTable | ( | Node | e | ) | throws XmlQueryParser.ParseException [static, protected] |
Parse a table. XML syntax:
<table>name</table>
e | An XML DOM node |
Definition at line 474 of file XmlQueryParser.java.