예제 #1
0
파일: Function.c 프로젝트: SuperDzej/pljava
static void buildSignature(Function self, StringInfo sign, Type retType, bool alt)
{
	Type* tp = self->func.nonudt.paramTypes;
	Type* ep = tp + self->func.nonudt.numParams;

	appendStringInfoChar(sign, '(');
	while(tp < ep)
		appendStringInfoString(sign, Type_getJNISignature(*tp++));

	if(!self->func.nonudt.isMultiCall && Type_isOutParameter(retType))
		appendStringInfoString(sign, Type_getJNISignature(retType));

	appendStringInfoChar(sign, ')');
	appendStringInfoString(sign, Type_getJNIReturnSignature(retType, self->func.nonudt.isMultiCall, alt));
}
예제 #2
0
파일: Array.c 프로젝트: greenplum-db/pljava
Type Array_fromOid2(Oid typeId, Type elementType, DatumCoercer coerceDatum, ObjectCoercer coerceObject)
{
	Type self;
	TypeClass arrayClass;
	const char* elemClassName    = PgObjectClass_getName(PgObject_getClass((PgObject)elementType));
	const char* elemJNISignature = Type_getJNISignature(elementType);
	const char* elemJavaTypeName = Type_getJavaTypeName(elementType);

	MemoryContext currCtx = MemoryContextSwitchTo(TopMemoryContext);

	char* tmp = palloc(strlen(elemClassName) + 3);
	sprintf(tmp, "%s[]", elemClassName);
	arrayClass = TypeClass_alloc(tmp);

	tmp = palloc(strlen(elemJNISignature) + 2);
	sprintf(tmp, "[%s", elemJNISignature);
	arrayClass->JNISignature = tmp;

	tmp = palloc(strlen(elemJavaTypeName) + 3);
	sprintf(tmp, "%s[]", elemJavaTypeName);
	arrayClass->javaTypeName = tmp;
	arrayClass->coerceDatum  = coerceDatum;
	arrayClass->coerceObject = coerceObject;
	arrayClass->canReplaceType = _Array_canReplaceType;
	self = TypeClass_allocInstance(arrayClass, typeId);
	MemoryContextSwitchTo(currCtx);

	self->elementType = elementType;
	Type_registerType(arrayClass->javaTypeName, self);

	if(Type_isPrimitive(elementType))
		self->objectType = Array_fromOid(typeId, Type_getObjectType(elementType));
	return self;
}
예제 #3
0
static const char* _Type_getJNIReturnSignature(Type self, bool forMultiCall, bool useAltRepr)
{
	return forMultiCall ? "Ljava/util/Iterator;" : Type_getJNISignature(self);
}