Examples with CqlSystemDataProvider com.ibm.cohort.cql.data.CqlSystemDataProvider used on opensource projects

Example 1 with CqlSystemDataProvider

use of com.ibm.cohort.cql.data.CqlSystemDataProvider in project quality-measure-and-cohort-service by Alvearie.

the class CqlContextFactory method createContext.

/**
 * Initialize a CQL context from the values associated with the provided
 * CQL Context Key. This encapsulates the set of initializations that are
 * static from run to run.
 *
 * @param contextKey container for stable context settings
 * @return initialized CQL Context object
 * @throws CqlLibraryDeserializationException if the specified library cannot be loaded
 */
protected Context createContext(ContextCacheKey contextKey) throws CqlLibraryDeserializationException {
    LibraryLoader libraryLoader = new ProviderBasedLibraryLoader(contextKey.libraryProvider);
    VersionedIdentifier vid = new VersionedIdentifier().withId(contextKey.topLevelLibraryIdentifier.getId()).withVersion(contextKey.topLevelLibraryIdentifier.getVersion());
    Library entryPoint = libraryLoader.load(vid);
    Context cqlContext;
    if (contextKey.evaluationDateTime != null) {
        cqlContext = new Context(entryPoint, contextKey.evaluationDateTime, new CqlSystemDataProvider());
    } else {
        cqlContext = new Context(entryPoint, new CqlSystemDataProvider());
    }
    cqlContext.registerExternalFunctionProvider(vid, this.externalFunctionProvider);
    registerExternalIncludes(cqlContext, cqlContext.getCurrentLibrary());
    cqlContext.registerLibraryLoader(libraryLoader);
    cqlContext.registerTerminologyProvider(contextKey.terminologyProvider);
    if (contextKey.parameters != null) {
        Library library = cqlContext.getCurrentLibrary();
        for (Map.Entry<String, Parameter> entry : contextKey.parameters.entrySet()) {
            Object cqlValue = entry.getValue().toCqlType();
            cqlContext.setParameter(library.getLocalId(), entry.getKey(), cqlValue);
        }
        if (library.getIncludes() != null && library.getIncludes().getDef() != null) {
            for (IncludeDef def : library.getIncludes().getDef()) {
                String name = def.getLocalIdentifier();
                for (Map.Entry<String, Parameter> parameterValue : contextKey.parameters.entrySet()) {
                    Object cqlValue = parameterValue.getValue().toCqlType();
                    cqlContext.setParameter(name, parameterValue.getKey(), cqlValue);
                }
            }
        }
    }
    return cqlContext;
}