public void valuesFromNode(JsonElement json) throws EGraphQLException { if (json instanceof JsonPrimitive && ((JsonPrimitive) json).isString()) values.add(new StringValue(((JsonPrimitive)json).getAsString())); else if (json instanceof JsonPrimitive && ((JsonPrimitive) json).isNumber()) values.add(new NumberValue(((JsonPrimitive)json).getAsString())); else if (json instanceof JsonPrimitive && ((JsonPrimitive) json).isBoolean()) values.add(new NameValue(((JsonPrimitive)json).getAsBoolean())); else if (json instanceof JsonObject) values.add(new ObjectValue((JsonObject) json)); else if (json instanceof JsonArray) { for (JsonElement v : (JsonArray) json) valuesFromNode(v); } else throw new EGraphQLException("Unexpected JSON type for \""+name+"\": "+json.getClass().getName()); }
private void processSearchSimple(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); List<Resource> list = new ArrayList<Resource>(); services.listResources(appInfo, field.getName().substring(0, field.getName().length() - 4), field.getArguments(), list); Argument arg = null; ObjectValue obj = null; List<Resource> vl = filterResources(field.argument("fhirpath"), list); if (!vl.isEmpty()) { arg = target.addField(field.getAlias()+suffix, listStatus(field, true)); for (Resource v : vl) { obj = new ObjectValue(); arg.addValue(obj); processObject(v, v, obj, field.getSelectionSet(), inheritedList, suffix); } } }
private void processSearchFull(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); List<Argument> params = new ArrayList<Argument>(); Argument carg = null; for ( Argument arg : field.getArguments()) if (arg.getName().equals("cursor")) carg = arg; else params.add(arg); if ((carg != null)) { params.clear();; String[] parts = getSingleValue(carg).split(":"); params.add(new Argument("search-id", new StringValue(parts[0]))); params.add(new Argument("search-offset", new StringValue(parts[1]))); } Bundle bnd = services.search(appInfo, field.getName().substring(0, field.getName().length()-10), params); SearchWrapper bndWrapper = new SearchWrapper(field.getName(), bnd); Argument arg = target.addField(field.getAlias()+suffix, listStatus(field, false)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(null, bndWrapper, obj, field.getSelectionSet(), inheritedList, suffix); }
private Value parseValue() throws EGraphQLException, IOException { Value result = null; switch (lexType) { case gqlltNull: throw new EGraphQLException("Attempt to read a value after reading off the } of the GraphQL statement"); case gqlltName: result = new NameValue(token.toString()); break; case gqlltPunctuation: if (hasPunctuation("$")) { consumePunctuation("$"); result = new VariableValue(token.toString()); } else if (hasPunctuation("{")) { consumePunctuation("{"); ObjectValue obj = new ObjectValue(); while (!hasPunctuation("}")) obj.getFields().add(parseArgument()); result = obj; } else throw new EGraphQLException("Attempt to read a value at \""+token.toString()+"\""); break; case gqlltString: result = new StringValue(token.toString()); break; case gqlltNumber: result = new NumberValue(token.toString()); break; } next(); return result; }
arg = target.addField(field.getAlias()+suffix, listStatus(field, true)); for (Resource v : vl) { obj = new ObjectValue(); arg.addValue(obj); processObject(v, v, obj, field.getSelectionSet(), inheritedList, suffix);
private void processReverseReferenceSearch(Resource source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); List<Argument> params = new ArrayList<Argument>(); Argument parg = null; for (Argument a : field.getArguments()) if (!(a.getName().equals("_reference"))) params.add(a); else if ((parg == null)) parg = a; else throw new EGraphQLException("Duplicate parameter _reference"); if (parg == null) throw new EGraphQLException("Missing parameter _reference"); Argument arg = new Argument(); params.add(arg); arg.setName(getSingleValue(parg)); arg.addValue(new StringValue(source.fhirType()+"/"+source.getId())); Bundle bnd = services.search(appInfo, field.getName().substring(0, field.getName().length()-10), params); Base bndWrapper = new SearchWrapper(field.getName(), bnd); arg = target.addField(field.getAlias()+suffix, listStatus(field, false)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(null, bndWrapper, obj, field.getSelectionSet(), inheritedList, suffix); }
private void processSearchSingle(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); String id = ""; for (Argument arg : field.getArguments()) if ((arg.getName().equals("id"))) id = getSingleValue(arg); else throw new EGraphQLException("Unknown/invalid parameter "+arg.getName()); if (Utilities.noString(id)) throw new EGraphQLException("No id found"); Resource res = services.lookup(appInfo, field.getName(), id); if (res == null) throw new EGraphQLException("Resource "+field.getName()+"/"+id+" not found"); Argument arg = target.addField(field.getAlias()+suffix, listStatus(field, false)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(res, res, obj, field.getSelectionSet(), inheritedList, suffix); }
public void execute() throws EGraphEngine, EGraphQLException, FHIRException { if (graphQL == null) throw new EGraphEngine("Unable to process graphql - graphql document missing"); fpe = new FHIRPathEngine(this.context); magicExpression = new ExpressionNode(0); output = new ObjectValue(); Operation op = null; // todo: initial conditions if (!Utilities.noString(graphQL.getOperationName())) { op = graphQL.getDocument().operation(graphQL.getOperationName()); if (op == null) throw new EGraphEngine("Unable to find operation \""+graphQL.getOperationName()+"\""); } else if ((graphQL.getDocument().getOperations().size() == 1)) op = graphQL.getDocument().getOperations().get(0); else throw new EGraphQLException("No operation name provided, so expected to find a single operation"); if (op.getOperationType() == OperationType.qglotMutation) throw new EGraphQLException("Mutation operations are not supported (yet)"); checkNoDirectives(op.getDirectives()); processVariables(op); if (focus == null) processSearch(output, op.getSelectionSet(), false, ""); else processObject(focus, focus, output, op.getSelectionSet(), false, ""); }
private void processReference(Resource context, Base source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (!(source instanceof Reference)) throw new EGraphQLException("Not done yet"); if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); Reference ref = (Reference) source; ReferenceResolution res = services.lookup(appInfo, context, ref); if (res != null) { if (targetTypeOk(field.getArguments(), res.target)) { Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, inheritedList)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(res.targetContext, res.target, obj, field.getSelectionSet(), inheritedList, suffix); } } else if (!hasArgument(field.getArguments(), "optional", "true")) throw new EGraphQLException("Unable to resolve reference to "+ref.getReference()); }
private void processCanonicalReference(Resource context, Base source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (!(source instanceof CanonicalType)) throw new EGraphQLException("Not done yet"); if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); Reference ref = new Reference(source.primitiveValue()); ReferenceResolution res = services.lookup(appInfo, context, ref); if (res != null) { if (targetTypeOk(field.getArguments(), res.target)) { Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, inheritedList)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(res.targetContext, res.target, obj, field.getSelectionSet(), inheritedList, suffix); } } else if (!hasArgument(field.getArguments(), "optional", "true")) throw new EGraphQLException("Unable to resolve reference to "+ref.getReference()); }
processObject(context, value, target, sel.getField().getSelectionSet(), il, ss); else { ObjectValue n = new ObjectValue(); arg.addValue(n); processObject(context, value, n, sel.getField().getSelectionSet(), il, ss);
public void valuesFromNode(JsonElement json) throws EGraphQLException { if (json instanceof JsonPrimitive && ((JsonPrimitive) json).isString()) values.add(new StringValue(((JsonPrimitive)json).getAsString())); else if (json instanceof JsonPrimitive && ((JsonPrimitive) json).isNumber()) values.add(new NumberValue(((JsonPrimitive)json).getAsString())); else if (json instanceof JsonPrimitive && ((JsonPrimitive) json).isBoolean()) values.add(new NameValue(((JsonPrimitive)json).getAsBoolean())); else if (json instanceof JsonObject) values.add(new ObjectValue((JsonObject) json)); else if (json instanceof JsonArray) { for (JsonElement v : (JsonArray) json) valuesFromNode(v); } else throw new EGraphQLException("Unexpected JSON type for \""+name+"\": "+json.getClass().getName()); }
private void processSearchSimple(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); List<Resource> list = new ArrayList<Resource>(); services.listResources(appInfo, field.getName().substring(0, field.getName().length() - 4), field.getArguments(), list); Argument arg = null; ObjectValue obj = null; List<Resource> vl = filterResources(field.argument("fhirpath"), list); if (!vl.isEmpty()) { arg = target.addField(field.getAlias()+suffix, listStatus(field, true)); for (Resource v : vl) { obj = new ObjectValue(); arg.addValue(obj); processObject(v, v, obj, field.getSelectionSet(), inheritedList, suffix); } } }
private Value parseValue() throws EGraphQLException, IOException { Value result = null; switch (lexType) { case gqlltNull: throw new EGraphQLException("Attempt to read a value after reading off the } of the GraphQL statement"); case gqlltName: result = new NameValue(token.toString()); break; case gqlltPunctuation: if (hasPunctuation("$")) { consumePunctuation("$"); result = new VariableValue(token.toString()); } else if (hasPunctuation("{")) { consumePunctuation("{"); ObjectValue obj = new ObjectValue(); while (!hasPunctuation("}")) obj.getFields().add(parseArgument()); result = obj; } else throw new EGraphQLException("Attempt to read a value at \""+token.toString()+"\""); break; case gqlltString: result = new StringValue(token.toString()); break; case gqlltNumber: result = new NumberValue(token.toString()); break; } next(); return result; }
private void processSearchFull(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); List<Argument> params = new ArrayList<Argument>(); Argument carg = null; for ( Argument arg : field.getArguments()) if (arg.getName().equals("cursor")) carg = arg; else params.add(arg); if ((carg != null)) { params.clear();; String[] parts = getSingleValue(carg).split(":"); params.add(new Argument("search-id", new StringValue(parts[0]))); params.add(new Argument("search-offset", new StringValue(parts[1]))); } Bundle bnd = services.search(appInfo, field.getName().substring(0, field.getName().length()-10), params); SearchWrapper bndWrapper = new SearchWrapper(field.getName(), bnd); Argument arg = target.addField(field.getAlias()+suffix, listStatus(field, false)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(null, bndWrapper, obj, field.getSelectionSet(), inheritedList, suffix); }
private void processReverseReferenceSearch(Resource source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); List<Argument> params = new ArrayList<Argument>(); Argument parg = null; for (Argument a : field.getArguments()) if (!(a.getName().equals("_reference"))) params.add(a); else if ((parg == null)) parg = a; else throw new EGraphQLException("Duplicate parameter _reference"); if (parg == null) throw new EGraphQLException("Missing parameter _reference"); Argument arg = new Argument(); params.add(arg); arg.setName(getSingleValue(parg)); arg.addValue(new StringValue(source.fhirType()+"/"+source.getId())); Bundle bnd = services.search(appInfo, field.getName().substring(0, field.getName().length()-10), params); Base bndWrapper = new SearchWrapper(field.getName(), bnd); arg = target.addField(field.getAlias()+suffix, listStatus(field, false)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(null, bndWrapper, obj, field.getSelectionSet(), inheritedList, suffix); }
private void processSearchSingle(ObjectValue target, Field field, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); String id = ""; for (Argument arg : field.getArguments()) if ((arg.getName().equals("id"))) id = getSingleValue(arg); else throw new EGraphQLException("Unknown/invalid parameter "+arg.getName()); if (Utilities.noString(id)) throw new EGraphQLException("No id found"); Resource res = services.lookup(appInfo, field.getName(), id); if (res == null) throw new EGraphQLException("Resource "+field.getName()+"/"+id+" not found"); Argument arg = target.addField(field.getAlias()+suffix, listStatus(field, false)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(res, res, obj, field.getSelectionSet(), inheritedList, suffix); }
private void processReference(Resource context, Base source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (!(source instanceof Reference)) throw new EGraphQLException("Not done yet"); if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); Reference ref = (Reference) source; ReferenceResolution res = services.lookup(appInfo, context, ref); if (res != null) { if (targetTypeOk(field.getArguments(), res.target)) { Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, inheritedList)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(res.targetContext, res.target, obj, field.getSelectionSet(), inheritedList, suffix); } } else if (!hasArgument(field.getArguments(), "optional", "true")) throw new EGraphQLException("Unable to resolve reference to "+ref.getReference()); }
public void execute() throws EGraphEngine, EGraphQLException, FHIRException { if (graphQL == null) throw new EGraphEngine("Unable to process graphql - graphql document missing"); fpe = new FHIRPathEngine(this.context); magicExpression = new ExpressionNode(0); output = new ObjectValue(); Operation op = null; // todo: initial conditions if (!Utilities.noString(graphQL.getOperationName())) { op = graphQL.getDocument().operation(graphQL.getOperationName()); if (op == null) throw new EGraphEngine("Unable to find operation \""+graphQL.getOperationName()+"\""); } else if ((graphQL.getDocument().getOperations().size() == 1)) op = graphQL.getDocument().getOperations().get(0); else throw new EGraphQLException("No operation name provided, so expected to find a single operation"); if (op.getOperationType() == OperationType.qglotMutation) throw new EGraphQLException("Mutation operations are not supported (yet)"); checkNoDirectives(op.getDirectives()); processVariables(op); if (focus == null) processSearch(output, op.getSelectionSet(), false, ""); else processObject(focus, focus, output, op.getSelectionSet(), false, ""); }
private void processCanonicalReference(Resource context, Base source, Field field, ObjectValue target, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException { if (!(source instanceof CanonicalType)) throw new EGraphQLException("Not done yet"); if (services == null) throw new EGraphQLException("Resource Referencing services not provided"); Reference ref = new Reference(source.primitiveValue()); ReferenceResolution res = services.lookup(appInfo, context, ref); if (res != null) { if (targetTypeOk(field.getArguments(), res.target)) { Argument arg = target.addField(field.getAlias() + suffix, listStatus(field, inheritedList)); ObjectValue obj = new ObjectValue(); arg.addValue(obj); processObject(res.targetContext, res.target, obj, field.getSelectionSet(), inheritedList, suffix); } } else if (!hasArgument(field.getArguments(), "optional", "true")) throw new EGraphQLException("Unable to resolve reference to "+ref.getReference()); }