org.jpox.store.expression.spatial
Class SpatialExpression

java.lang.Object
  org.jpox.store.expression.ScalarExpression
      org.jpox.store.expression.spatial.SpatialExpression

public class SpatialExpression
extends org.jpox.store.expression.ScalarExpression

Representation of Spatial functions in JDOQL

Version:

$Revision: 1.1 $

Nested Class Summary

Nested classes/interfaces inherited from class org.jpox.store.expression.ScalarExpression

org.jpox.store.expression.ScalarExpression.DyadicOperator, org.jpox.store.expression.ScalarExpression.ExpressionList, org.jpox.store.expression.ScalarExpression.FieldExpression, org.jpox.store.expression.ScalarExpression.IllegalArgumentTypeException, org.jpox.store.expression.ScalarExpression.IllegalOperationException, org.jpox.store.expression.ScalarExpression.MethodInvocationException, org.jpox.store.expression.ScalarExpression.MonadicOperator, org.jpox.store.expression.ScalarExpression.Operator

Field Summary

Fields inherited from class org.jpox.store.expression.ScalarExpression

aliasIdentifier, expressionList, FILTER, lowestOperator, mapping, OP_ADD, OP_AND, OP_BETWEEN, OP_COM, OP_CONCAT, OP_DIV, OP_EQ, OP_GT, OP_GTEQ, OP_IN, OP_IS, OP_ISNOT, OP_LIKE, OP_LT, OP_LTEQ, OP_MOD, OP_MUL, OP_NEG, OP_NOT, OP_NOTEQ, OP_OR, OP_SUB, PROJECTION, qs, st, te

Constructor Summary

SpatialExpression(org.jpox.store.expression.QueryExpression qs)

SpatialExpression(java.lang.String functionName, java.util.List args)
Generates statement as e.g.

Method Summary

org.jpox.store.expression.BooleanExpression	containsMethod(org.jpox.store.expression.ScalarExpression leftExpr, org.jpox.store.expression.ScalarExpression rightExpr) Evaluates if the leftExpr geometry contains the rightExpr geometry (OVERLAPBDYDISJOINT or OVERLAPBDYINTERSECT topological relationship).
org.jpox.store.expression.BooleanExpression	equalsMethod(org.jpox.store.expression.ScalarExpression leftExpr, org.jpox.store.expression.ScalarExpression rightExpr) Evaluates if the leftExpr geometry equals the rightExpr geometry (EQUALS topological relationship).
SpatialExpression	geometryMethod(org.jpox.store.expression.ScalarExpression operation, org.jpox.store.expression.ScalarExpression expr1) Creates a spatial expression from a literal.
SpatialExpression	geometryMethod(org.jpox.store.expression.ScalarExpression operation, org.jpox.store.expression.ScalarExpression expr1, org.jpox.store.expression.ScalarExpression expr2) Creates a spatial expression from a literal.
SpatialExpression	geometryMethod(org.jpox.store.expression.ScalarExpression operation, org.jpox.store.expression.ScalarExpression expr1, org.jpox.store.expression.ScalarExpression expr2, org.jpox.store.expression.ScalarExpression expr3) Creates a spatial expression from a literal.
SpatialExpression	geometryMethod(org.jpox.store.expression.ScalarExpression operation, org.jpox.store.expression.ScalarExpression expr1, org.jpox.store.expression.ScalarExpression expr2, org.jpox.store.expression.ScalarExpression expr3, org.jpox.store.expression.ScalarExpression expr4) Creates a spatial expression from a literal.
SpatialExpression	geometryMethod(org.jpox.store.expression.ScalarExpression operation, org.jpox.store.expression.ScalarExpression expr1, org.jpox.store.expression.ScalarExpression expr2, org.jpox.store.expression.ScalarExpression expr3, org.jpox.store.expression.ScalarExpression expr4, org.jpox.store.expression.ScalarExpression expr5) Creates a spatial expression from a literal.
SpatialExpression	geometryMethod(org.jpox.store.expression.ScalarExpression operation, org.jpox.store.expression.ScalarExpression expr1, org.jpox.store.expression.ScalarExpression expr2, org.jpox.store.expression.ScalarExpression expr3, org.jpox.store.expression.ScalarExpression expr4, org.jpox.store.expression.ScalarExpression expr5, org.jpox.store.expression.ScalarExpression expr6) Creates a spatial expression from a literal.
org.jpox.store.expression.BooleanExpression	insideMethod(org.jpox.store.expression.ScalarExpression leftExpr, org.jpox.store.expression.ScalarExpression rightExpr) Evaluates if the leftExpr geometry is inside the rightExpr geometry (INSIDE topological relationship).
org.jpox.store.expression.BooleanExpression	overlapsMethod(org.jpox.store.expression.ScalarExpression leftExpr, org.jpox.store.expression.ScalarExpression rightExpr) Evaluates if the leftExpr geometry overlaps the rightExpr geometry (OVERLAPBDYDISJOINT or OVERLAPBDYINTERSECT topological relationship).
org.jpox.store.expression.BooleanExpression	touchesMethod(org.jpox.store.expression.ScalarExpression leftExpr, org.jpox.store.expression.ScalarExpression rightExpr) Evaluates if the leftExpr geometry touches the rightExpr geometry (TOUCH topological relationship).

Methods inherited from class org.jpox.store.expression.ScalarExpression

accessField, add, and, as, callMethod, cast, com, div, encloseWithInParentheses, eor, eq, equals, getAlias, getExpressionList, getLogicSetExpression, getMapping, getNonAliasExpression, getQueryExpression, gt, gteq, in, instanceOf, ior, lt, lteq, mod, mul, neg, not, noteq, sub, toStatementText, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SpatialExpression

public SpatialExpression(org.jpox.store.expression.QueryExpression qs)

Parameters:

qs - The query statement

SpatialExpression

public SpatialExpression(java.lang.String functionName,
                         java.util.List args)

Generates statement as e.g. FUNCTION_NAME(arg[,argN])

Parameters:

functionName -

args - ScalarExpression list

Method Detail

insideMethod

public org.jpox.store.expression.BooleanExpression insideMethod(org.jpox.store.expression.ScalarExpression leftExpr,
                                                                org.jpox.store.expression.ScalarExpression rightExpr)

Evaluates if the leftExpr geometry is inside the rightExpr geometry (INSIDE topological relationship).

Parameters:

leftExpr - the searched geometry

rightExpr - the geometry

Returns:

true expression if leftExpr is inside the rightExpr

touchesMethod

public org.jpox.store.expression.BooleanExpression touchesMethod(org.jpox.store.expression.ScalarExpression leftExpr,
                                                                 org.jpox.store.expression.ScalarExpression rightExpr)

Evaluates if the leftExpr geometry touches the rightExpr geometry (TOUCH topological relationship).

Parameters:

leftExpr - the geometry

rightExpr - the geometry

Returns:

true expression if leftExpr touches the rightExpr

overlapsMethod

public org.jpox.store.expression.BooleanExpression overlapsMethod(org.jpox.store.expression.ScalarExpression leftExpr,
                                                                  org.jpox.store.expression.ScalarExpression rightExpr)

Evaluates if the leftExpr geometry overlaps the rightExpr geometry (OVERLAPBDYDISJOINT or OVERLAPBDYINTERSECT topological relationship).

Parameters:

leftExpr - the geometry

rightExpr - the geometry

Returns:

true expression if leftExpr overlaps the rightExpr

containsMethod

public org.jpox.store.expression.BooleanExpression containsMethod(org.jpox.store.expression.ScalarExpression leftExpr,
                                                                  org.jpox.store.expression.ScalarExpression rightExpr)

Evaluates if the leftExpr geometry contains the rightExpr geometry (OVERLAPBDYDISJOINT or OVERLAPBDYINTERSECT topological relationship).

Parameters:

leftExpr - the geometry

rightExpr - the geometry

Returns:

true expression if leftExpr contains the rightExpr

equalsMethod

public org.jpox.store.expression.BooleanExpression equalsMethod(org.jpox.store.expression.ScalarExpression leftExpr,
                                                                org.jpox.store.expression.ScalarExpression rightExpr)

Evaluates if the leftExpr geometry equals the rightExpr geometry (EQUALS topological relationship).

Parameters:

leftExpr - the geometry

rightExpr - the geometry

Returns:

true expression if leftExpr equals the rightExpr

geometryMethod

public SpatialExpression geometryMethod(org.jpox.store.expression.ScalarExpression operation,
                                        org.jpox.store.expression.ScalarExpression expr1)

Creates a spatial expression from a literal.

Parameters:

operation - the operation expression

expr1 - the 1st argument

Returns:

A Spatial Expression

geometryMethod

public SpatialExpression geometryMethod(org.jpox.store.expression.ScalarExpression operation,
                                        org.jpox.store.expression.ScalarExpression expr1,
                                        org.jpox.store.expression.ScalarExpression expr2)

Creates a spatial expression from a literal.

Parameters:

operation - the operation expression

expr1 - the 1st argument

expr2 - the 2nd argument

Returns:

A Spatial Expression

geometryMethod

public SpatialExpression geometryMethod(org.jpox.store.expression.ScalarExpression operation,
                                        org.jpox.store.expression.ScalarExpression expr1,
                                        org.jpox.store.expression.ScalarExpression expr2,
                                        org.jpox.store.expression.ScalarExpression expr3)

Creates a spatial expression from a literal.

Parameters:

operation - the operation expression

expr1 - the 1st argument

expr2 - the 2nd argument

expr3 - the 3th argument

Returns:

A Spatial Expression

geometryMethod

public SpatialExpression geometryMethod(org.jpox.store.expression.ScalarExpression operation,
                                        org.jpox.store.expression.ScalarExpression expr1,
                                        org.jpox.store.expression.ScalarExpression expr2,
                                        org.jpox.store.expression.ScalarExpression expr3,
                                        org.jpox.store.expression.ScalarExpression expr4)

Creates a spatial expression from a literal.

Parameters:

operation - the operation expression

expr1 - the 1st argument

expr2 - the 2nd argument

expr3 - the 3th argument

expr4 - the 4th argument

Returns:

A Spatial Expression

geometryMethod

public SpatialExpression geometryMethod(org.jpox.store.expression.ScalarExpression operation,
                                        org.jpox.store.expression.ScalarExpression expr1,
                                        org.jpox.store.expression.ScalarExpression expr2,
                                        org.jpox.store.expression.ScalarExpression expr3,
                                        org.jpox.store.expression.ScalarExpression expr4,
                                        org.jpox.store.expression.ScalarExpression expr5)

Creates a spatial expression from a literal.

Parameters:

operation - the operation expression

expr1 - the 1st argument

expr2 - the 2nd argument

expr3 - the 3th argument

expr4 - the 4th argument

expr5 - the 5th argument

Returns:

A Spatial Expression

geometryMethod

public SpatialExpression geometryMethod(org.jpox.store.expression.ScalarExpression operation,
                                        org.jpox.store.expression.ScalarExpression expr1,
                                        org.jpox.store.expression.ScalarExpression expr2,
                                        org.jpox.store.expression.ScalarExpression expr3,
                                        org.jpox.store.expression.ScalarExpression expr4,
                                        org.jpox.store.expression.ScalarExpression expr5,
                                        org.jpox.store.expression.ScalarExpression expr6)

Creates a spatial expression from a literal.

Parameters:

operation - the operation expression

expr1 - the 1st argument

expr2 - the 2nd argument

expr3 - the 3th argument

expr4 - the 4th argument

expr5 - the 5th argument

expr6 - the 6th argument

Returns:

A Spatial Expression