jiang
fa188af0b1
Reorganize WNDB by responsibility and remove legacy scheme endpoints.\n\nRoute analysis and time-series access through project pools, preserve transactional realtime replacement, and refresh GIS materialized views after writes.\n\nAdd database architecture documentation, live pooling coverage, API contract updates, and executable container verification.\n\nBREAKING CHANGE: legacy scheme APIs and flat app.native.wndb module imports are removed.
103 lines
3.5 KiB
Python
103 lines
3.5 KiB
Python
from typing import Any
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from ..core.database import (
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ChangeSet,
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DatabaseCommand,
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execute_command,
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g_update_prefix,
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read_all,
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sql_literal,
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try_read,
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)
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def get_emitter_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'junction' : {'type': 'str' , 'optional': False , 'readonly': True },
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'coefficient' : {'type': 'float' , 'optional': True , 'readonly': False} }
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def get_emitter(name: str, junction: str) -> dict[str, Any]:
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e = try_read(name, "select junction_id as junction, coefficient from network.emitters where junction_id = %s", (junction,))
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if e == None:
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return { 'junction': junction, 'coefficient': None }
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d = {}
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d['junction'] = str(e['junction'])
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d['coefficient'] = float(e['coefficient']) if e['coefficient'] != None else None
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return d
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class Emitter(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'emitter'
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self.junction = str(input['junction'])
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self.coefficient = float(input['coefficient']) if 'coefficient' in input and input['coefficient'] != None else None
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self.f_type = sql_literal(self.type)
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self.f_junction = sql_literal(self.junction)
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self.f_coefficient = sql_literal(self.coefficient)
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'junction': self.junction, 'coefficient': self.coefficient }
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def _set_emitter(name: str, cs: ChangeSet) -> DatabaseCommand:
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raw_new = get_emitter(name, cs.operations[0]['junction'])
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new_dict = cs.operations[0]
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schema = get_emitter_schema(name)
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for key, value in schema.items():
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if key in new_dict and not value['readonly']:
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raw_new[key] = new_dict[key]
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new = Emitter(raw_new)
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statement = f"delete from network.emitters where junction_id = {new.f_junction};"
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if new.coefficient != None:
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statement += f"\ninsert into network.emitters (junction_id, coefficient) values ({new.f_junction}, {new.f_coefficient});"
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change = g_update_prefix | new.as_dict()
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return DatabaseCommand(statement, [change])
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def set_emitter(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, _set_emitter(name, cs))
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#--------------------------------------------------------------
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# [EPA2][IN][OUT]
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# node Ke
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#--------------------------------------------------------------
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# [EPA3][IN][OUT]
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# node Ke (exponent pattern)
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#--------------------------------------------------------------
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def inp_in_emitter(line: str) -> str:
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tokens = line.split()
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num = len(tokens)
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has_desc = tokens[-1].startswith(';')
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num_without_desc = (num - 1) if has_desc else num
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junction = str(tokens[0])
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coefficient = float(tokens[1])
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return str(f"insert into network.emitters (junction_id, coefficient) values ({sql_literal(junction)}, {sql_literal(coefficient)});")
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def inp_out_emitter(name: str) -> list[str]:
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lines = []
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objs = read_all(name, 'select junction_id as junction, coefficient from network.emitters order by junction_id')
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for obj in objs:
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junction = obj['junction']
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coefficient = obj['coefficient']
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lines.append(f'{junction} {coefficient}')
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return lines
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def delete_emitter_by_junction(name: str, junction: str) -> ChangeSet:
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row = try_read(name, "select 1 from network.emitters where junction_id = %s", (junction,))
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if row == None:
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return ChangeSet()
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return ChangeSet(g_update_prefix | {'type' : 'emitter', 'junction': junction, 'coefficient': None})
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