Package org.opencds.cqf.cql.engine.model

Class BaseModelResolver

java.lang.Object

org.opencds.cqf.cql.engine.model.BaseModelResolver

All Implemented Interfaces:

ModelResolver

Direct Known Subclasses:

SystemDataProvider

public abstract class BaseModelResolver
extends java.lang.Object
implements ModelResolver

Constructor Summary

Constructors

Constructor	Description
BaseModelResolver()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	as(java.lang.Object value, java.lang.Class<?> type, boolean isStrict)	Cast the specified value to the specified type.
java.lang.Boolean	is(java.lang.Object value, java.lang.Class<?> type)	Check whether or not a specified value instance is of the specified type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.opencds.cqf.cql.engine.model.ModelResolver

createInstance, getContextPath, getPackageName, getPackageNames, objectEqual, objectEquivalent, resolvePath, resolveType, resolveType, setPackageName, setPackageNames, setValue

Constructor Detail

BaseModelResolver

public BaseModelResolver()

Method Detail

is

public java.lang.Boolean is(java.lang.Object value,
                            java.lang.Class<?> type)

Description copied from interface: ModelResolver

Check whether or not a specified value instance is of the specified type.

Specified by:

is in interface ModelResolver

Returns:

true when the value is of the specified type, otherwise false.

as

public java.lang.Object as(java.lang.Object value,
                           java.lang.Class<?> type,
                           boolean isStrict)

Description copied from interface: ModelResolver

Cast the specified value to the specified type. When type conversion is not possible, null should be returned unless the isStrict flag is set to true wherein an Exception will be thrown.

Specified by:

as in interface ModelResolver

Parameters:

value - model object instance

type - type to which the value should be case

isStrict - flag indicating how to handle invalid type conversion

Returns:

the result of the value conversion or null if conversion is not possible.