com.solarmetric.rd.kodo.query.exp
Class BindVariableExpression

java.lang.Object
  |
  +--com.solarmetric.rd.kodo.query.exp.InMemoryExpression
        |
        +--com.solarmetric.rd.kodo.query.exp.BindVariableExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

BindKeyVariableExpression, BindValueVariableExpression

public class BindVariableExpression

extends InMemoryExpression

Binds a variable to a collection.

Constructor Summary

BindVariableExpression(com.solarmetric.rd.kodo.query.exp.BoundVariable var, com.solarmetric.rd.kodo.query.exp.InMemoryValue val)
Constructor.

Method Summary

protected java.util.Collection	getCollection(java.lang.Object values) Return a collection for the given object, produced by eval'ing the value of this expression.
com.solarmetric.rd.kodo.query.exp.BoundVariable	getVariable()
java.util.Collection	getVariableValues(java.lang.Object candidate, java.lang.Object orig, com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm, java.util.Map params) Return the possible values that variable can take.

Methods inherited from class com.solarmetric.rd.kodo.query.exp.InMemoryExpression

eval, evaluate, order

Methods inherited from class java.lang.Object

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

Constructor Detail

BindVariableExpression

public BindVariableExpression(com.solarmetric.rd.kodo.query.exp.BoundVariable var,
                              com.solarmetric.rd.kodo.query.exp.InMemoryValue val)

Constructor.

Parameters:

var - the bound variable

val - the value the variable is bound to

Method Detail

getVariable

public com.solarmetric.rd.kodo.query.exp.BoundVariable getVariable()

getVariableValues

public java.util.Collection getVariableValues(java.lang.Object candidate,
                                              java.lang.Object orig,
                                              com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm,
                                              java.util.Map params)

Return the possible values that variable can take.

getCollection

protected java.util.Collection getCollection(java.lang.Object values)

Return a collection for the given object, produced by eval'ing the value of this expression. Simply casts the object to a collection by default.