com.solarmetric.rd.kodo.query
Class InMemoryExpressionFactory

java.lang.Object
  |
  +--com.solarmetric.rd.kodo.query.InMemoryExpressionFactory

All Implemented Interfaces:

ExpressionFactory

public class InMemoryExpressionFactory

extends java.lang.Object

implements ExpressionFactory

Expression factory implementation that can be used to execute queries in memory.

Constructor Summary

InMemoryExpressionFactory()

Method Summary

com.solarmetric.rd.kodo.query.Value	add(com.solarmetric.rd.kodo.query.Value val1, com.solarmetric.rd.kodo.query.Value val2) Return a value representing the two values added together.
com.solarmetric.rd.kodo.query.Expression	and(com.solarmetric.rd.kodo.query.Expression exp1, com.solarmetric.rd.kodo.query.Expression exp2) Return the two expressions AND'd together.
com.solarmetric.rd.kodo.query.Expression	bindKeyVariable(com.solarmetric.rd.kodo.query.Value var, com.solarmetric.rd.kodo.query.Value val) Bind the given variable to the key set of the given map value.
com.solarmetric.rd.kodo.query.Expression	bindValueVariable(com.solarmetric.rd.kodo.query.Value var, com.solarmetric.rd.kodo.query.Value val) Bind the given variable to the value set of the given map value.
com.solarmetric.rd.kodo.query.Expression	bindVariable(com.solarmetric.rd.kodo.query.Value var, com.solarmetric.rd.kodo.query.Value val) Bind the given variable to the given collection value.
com.solarmetric.rd.kodo.query.Value	cast(com.solarmetric.rd.kodo.query.Value val, java.lang.Class cls) Cast the value to the given class.
com.solarmetric.rd.kodo.query.Expression	contains(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	containsKey(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	containsValue(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Value	divide(com.solarmetric.rd.kodo.query.Value val1, com.solarmetric.rd.kodo.query.Value val2) Return a value representing the first value divided by the first one.
com.solarmetric.rd.kodo.query.Expression	emptyExpression() Return a blank expression; this is used when the filter is empty.
com.solarmetric.rd.kodo.query.Expression	endsWith(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	equal(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	extensionExpression(com.solarmetric.rd.kodo.query.FilterListener listener, com.solarmetric.rd.kodo.query.Value target, com.solarmetric.rd.kodo.query.Value arg) Return an expression formed by evaluating the given extension.
com.solarmetric.rd.kodo.query.Value	getNull() Return a value representing null.
com.solarmetric.rd.kodo.query.Value	getThis() Return a value representing this.
com.solarmetric.rd.kodo.query.Expression	greaterThan(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	greaterThanEqual(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	isEmpty(com.solarmetric.rd.kodo.query.Value v1) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	lessThan(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	lessThanEqual(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
boolean	matches(com.solarmetric.rd.kodo.query.Expression exp, com.solarmetric.rd.kodo.meta.ClassMetaData type, java.lang.Object candidate, com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm, java.util.Map params) Tests whether the given candidate matches the given type and this expression.
com.solarmetric.rd.kodo.query.Value	mod(com.solarmetric.rd.kodo.query.Value val1, com.solarmetric.rd.kodo.query.Value val2) Return a value representing the first value mod'd by the second one.
com.solarmetric.rd.kodo.query.Value	multiply(com.solarmetric.rd.kodo.query.Value val1, com.solarmetric.rd.kodo.query.Value val2) Return a value representing the two values multiplied together.
com.solarmetric.rd.kodo.query.Value	newBoundVariable(java.lang.String name, java.lang.Class type) This method will be called only once per variable bound in a contains clause, and the returned value will be reused for any further instances of the variable in subexpression of the filter string.
com.solarmetric.rd.kodo.query.Value	newConstant(java.lang.Object val) Return a value representing the given constant, which will be a Number, String, or Boolean instance.
com.solarmetric.rd.kodo.query.Value	newExtension(com.solarmetric.rd.kodo.query.FilterListener listener, com.solarmetric.rd.kodo.query.Value target, com.solarmetric.rd.kodo.query.Value arg) Return the value of the given extension.
com.solarmetric.rd.kodo.query.Value	newParameter(java.lang.String name, java.lang.Class type) Return a value representing a parameter for the given value.
com.solarmetric.rd.kodo.query.Path	newPath() Return a value representing a path which will consist of a chain of 1 or more field names starting in the namespace of the candidate class.
com.solarmetric.rd.kodo.query.Path	newPath(com.solarmetric.rd.kodo.query.Value val) Return a value representing a path which will consist of a chain of 1 or more field names starting in the namespace of the given value.
com.solarmetric.rd.kodo.query.Value	newUnboundVariable(java.lang.String name, java.lang.Class type) Return an unbound variable.
com.solarmetric.rd.kodo.query.Expression	not(com.solarmetric.rd.kodo.query.Expression exp) Return the inverse of this expression.
com.solarmetric.rd.kodo.query.Expression	notEqual(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Expression	or(com.solarmetric.rd.kodo.query.Expression exp1, com.solarmetric.rd.kodo.query.Expression exp2) Return the two expressions OR'd together.
void	order(com.solarmetric.rd.kodo.query.Expression exp, java.util.List matches, com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm, java.util.Map params) Order the given list of matches according to this expression.
com.solarmetric.rd.kodo.query.Expression	orderBy(com.solarmetric.rd.kodo.query.Expression exp, com.solarmetric.rd.kodo.query.Value val, boolean ascending) Return an expression representing this one, ordered by the given value.
com.solarmetric.rd.kodo.query.Expression	startsWith(com.solarmetric.rd.kodo.query.Value v1, com.solarmetric.rd.kodo.query.Value v2) Return an expression representing the given condition.
com.solarmetric.rd.kodo.query.Value	subtract(com.solarmetric.rd.kodo.query.Value val1, com.solarmetric.rd.kodo.query.Value val2) Return a value representing the second value subtracted from the first.

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryExpressionFactory

public InMemoryExpressionFactory()

Method Detail

matches

public boolean matches(com.solarmetric.rd.kodo.query.Expression exp,
                       com.solarmetric.rd.kodo.meta.ClassMetaData type,
                       java.lang.Object candidate,
                       com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm,
                       java.util.Map params)

Tests whether the given candidate matches the given type and this expression.

order

public void order(com.solarmetric.rd.kodo.query.Expression exp,
                  java.util.List matches,
                  com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm,
                  java.util.Map params)

Order the given list of matches according to this expression.

emptyExpression

public com.solarmetric.rd.kodo.query.Expression emptyExpression()

Description copied from interface: ExpressionFactory

Return a blank expression; this is used when the filter is empty.

Specified by:

emptyExpression in interface ExpressionFactory

equal

public com.solarmetric.rd.kodo.query.Expression equal(com.solarmetric.rd.kodo.query.Value v1,
                                                      com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

equal in interface ExpressionFactory

notEqual

public com.solarmetric.rd.kodo.query.Expression notEqual(com.solarmetric.rd.kodo.query.Value v1,
                                                         com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

notEqual in interface ExpressionFactory

lessThan

public com.solarmetric.rd.kodo.query.Expression lessThan(com.solarmetric.rd.kodo.query.Value v1,
                                                         com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

lessThan in interface ExpressionFactory

greaterThan

public com.solarmetric.rd.kodo.query.Expression greaterThan(com.solarmetric.rd.kodo.query.Value v1,
                                                            com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

greaterThan in interface ExpressionFactory

lessThanEqual

public com.solarmetric.rd.kodo.query.Expression lessThanEqual(com.solarmetric.rd.kodo.query.Value v1,
                                                              com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

lessThanEqual in interface ExpressionFactory

greaterThanEqual

public com.solarmetric.rd.kodo.query.Expression greaterThanEqual(com.solarmetric.rd.kodo.query.Value v1,
                                                                 com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

greaterThanEqual in interface ExpressionFactory

isEmpty

public com.solarmetric.rd.kodo.query.Expression isEmpty(com.solarmetric.rd.kodo.query.Value v1)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

isEmpty in interface ExpressionFactory

contains

public com.solarmetric.rd.kodo.query.Expression contains(com.solarmetric.rd.kodo.query.Value v1,
                                                         com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

contains in interface ExpressionFactory

containsKey

public com.solarmetric.rd.kodo.query.Expression containsKey(com.solarmetric.rd.kodo.query.Value v1,
                                                            com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

containsKey in interface ExpressionFactory

containsValue

public com.solarmetric.rd.kodo.query.Expression containsValue(com.solarmetric.rd.kodo.query.Value v1,
                                                              com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

containsValue in interface ExpressionFactory

startsWith

public com.solarmetric.rd.kodo.query.Expression startsWith(com.solarmetric.rd.kodo.query.Value v1,
                                                           com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

startsWith in interface ExpressionFactory

endsWith

public com.solarmetric.rd.kodo.query.Expression endsWith(com.solarmetric.rd.kodo.query.Value v1,
                                                         com.solarmetric.rd.kodo.query.Value v2)

Description copied from interface: ExpressionFactory

Return an expression representing the given condition.

Specified by:

endsWith in interface ExpressionFactory

and

public com.solarmetric.rd.kodo.query.Expression and(com.solarmetric.rd.kodo.query.Expression exp1,
                                                    com.solarmetric.rd.kodo.query.Expression exp2)

Description copied from interface: ExpressionFactory

Return the two expressions AND'd together.

Specified by:

and in interface ExpressionFactory

or

public com.solarmetric.rd.kodo.query.Expression or(com.solarmetric.rd.kodo.query.Expression exp1,
                                                   com.solarmetric.rd.kodo.query.Expression exp2)

Description copied from interface: ExpressionFactory

Return the two expressions OR'd together.

Specified by:

or in interface ExpressionFactory

not

public com.solarmetric.rd.kodo.query.Expression not(com.solarmetric.rd.kodo.query.Expression exp)

Description copied from interface: ExpressionFactory

Return the inverse of this expression.

Specified by:

not in interface ExpressionFactory

orderBy

public com.solarmetric.rd.kodo.query.Expression orderBy(com.solarmetric.rd.kodo.query.Expression exp,
                                                        com.solarmetric.rd.kodo.query.Value val,
                                                        boolean ascending)

Description copied from interface: ExpressionFactory

Return an expression representing this one, ordered by the given value. Multiple calls to this method might be made; the resulting Expression should order by all paths in the proper order.

Specified by:

orderBy in interface ExpressionFactory

extensionExpression

public com.solarmetric.rd.kodo.query.Expression extensionExpression(com.solarmetric.rd.kodo.query.FilterListener listener,
                                                                    com.solarmetric.rd.kodo.query.Value target,
                                                                    com.solarmetric.rd.kodo.query.Value arg)

Description copied from interface: ExpressionFactory

Return an expression formed by evaluating the given extension.

Specified by:

extensionExpression in interface ExpressionFactory

bindVariable

public com.solarmetric.rd.kodo.query.Expression bindVariable(com.solarmetric.rd.kodo.query.Value var,
                                                             com.solarmetric.rd.kodo.query.Value val)

Description copied from interface: ExpressionFactory

Bind the given variable to the given collection value.

Specified by:

bindVariable in interface ExpressionFactory

bindKeyVariable

public com.solarmetric.rd.kodo.query.Expression bindKeyVariable(com.solarmetric.rd.kodo.query.Value var,
                                                                com.solarmetric.rd.kodo.query.Value val)

Description copied from interface: ExpressionFactory

Bind the given variable to the key set of the given map value.

Specified by:

bindKeyVariable in interface ExpressionFactory

bindValueVariable

public com.solarmetric.rd.kodo.query.Expression bindValueVariable(com.solarmetric.rd.kodo.query.Value var,
                                                                  com.solarmetric.rd.kodo.query.Value val)

Description copied from interface: ExpressionFactory

Bind the given variable to the value set of the given map value.

Specified by:

bindValueVariable in interface ExpressionFactory

newPath

public com.solarmetric.rd.kodo.query.Path newPath()

Description copied from interface: ExpressionFactory

Return a value representing a path which will consist of a chain of 1 or more field names starting in the namespace of the candidate class.

Example: parent.address.city

Specified by:

newPath in interface ExpressionFactory

newPath

public com.solarmetric.rd.kodo.query.Path newPath(com.solarmetric.rd.kodo.query.Value val)

Description copied from interface: ExpressionFactory

Return a value representing a path which will consist of a chain of 1 or more field names starting in the namespace of the given value.

Example: var.address.city

Specified by:

newPath in interface ExpressionFactory

newConstant

public com.solarmetric.rd.kodo.query.Value newConstant(java.lang.Object val)

Description copied from interface: ExpressionFactory

Return a value representing the given constant, which will be a Number, String, or Boolean instance.

Specified by:

newConstant in interface ExpressionFactory

getThis

public com.solarmetric.rd.kodo.query.Value getThis()

Description copied from interface: ExpressionFactory

Return a value representing this.

Specified by:

getThis in interface ExpressionFactory

getNull

public com.solarmetric.rd.kodo.query.Value getNull()

Description copied from interface: ExpressionFactory

Return a value representing null.

Specified by:

getNull in interface ExpressionFactory

newParameter

public com.solarmetric.rd.kodo.query.Value newParameter(java.lang.String name,
                                                        java.lang.Class type)

Description copied from interface: ExpressionFactory

Return a value representing a parameter for the given value.

Specified by:

newParameter in interface ExpressionFactory

newExtension

public com.solarmetric.rd.kodo.query.Value newExtension(com.solarmetric.rd.kodo.query.FilterListener listener,
                                                        com.solarmetric.rd.kodo.query.Value target,
                                                        com.solarmetric.rd.kodo.query.Value arg)

Description copied from interface: ExpressionFactory

Return the value of the given extension.

Specified by:

newExtension in interface ExpressionFactory

newUnboundVariable

public com.solarmetric.rd.kodo.query.Value newUnboundVariable(java.lang.String name,
                                                              java.lang.Class type)

Description copied from interface: ExpressionFactory

Return an unbound variable. This method will only be called once for a given named unbound variable.

Specified by:

newUnboundVariable in interface ExpressionFactory

newBoundVariable

public com.solarmetric.rd.kodo.query.Value newBoundVariable(java.lang.String name,
                                                            java.lang.Class type)

Description copied from interface: ExpressionFactory

This method will be called only once per variable bound in a contains clause, and the returned value will be reused for any further instances of the variable in subexpression of the filter string.

Specified by:

newBoundVariable in interface ExpressionFactory

cast

public com.solarmetric.rd.kodo.query.Value cast(com.solarmetric.rd.kodo.query.Value val,
                                                java.lang.Class cls)

Description copied from interface: ExpressionFactory

Cast the value to the given class.

Specified by:

cast in interface ExpressionFactory

add

public com.solarmetric.rd.kodo.query.Value add(com.solarmetric.rd.kodo.query.Value val1,
                                               com.solarmetric.rd.kodo.query.Value val2)

Description copied from interface: ExpressionFactory

Return a value representing the two values added together.

Specified by:

add in interface ExpressionFactory

subtract

public com.solarmetric.rd.kodo.query.Value subtract(com.solarmetric.rd.kodo.query.Value val1,
                                                    com.solarmetric.rd.kodo.query.Value val2)

Description copied from interface: ExpressionFactory

Return a value representing the second value subtracted from the first.

Specified by:

subtract in interface ExpressionFactory

multiply

public com.solarmetric.rd.kodo.query.Value multiply(com.solarmetric.rd.kodo.query.Value val1,
                                                    com.solarmetric.rd.kodo.query.Value val2)

Description copied from interface: ExpressionFactory

Return a value representing the two values multiplied together.

Specified by:

multiply in interface ExpressionFactory

divide

public com.solarmetric.rd.kodo.query.Value divide(com.solarmetric.rd.kodo.query.Value val1,
                                                  com.solarmetric.rd.kodo.query.Value val2)

Description copied from interface: ExpressionFactory

Return a value representing the first value divided by the first one.

Specified by:

divide in interface ExpressionFactory

mod

public com.solarmetric.rd.kodo.query.Value mod(com.solarmetric.rd.kodo.query.Value val1,
                                               com.solarmetric.rd.kodo.query.Value val2)

Description copied from interface: ExpressionFactory

Return a value representing the first value mod'd by the second one.

Specified by:

mod in interface ExpressionFactory