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Copy pathfunction.py
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122 lines (93 loc) · 3.94 KB
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from typing import Dict, List, Optional
from pypaimon.common.identifier import Identifier
from pypaimon.function.function_definition import FunctionDefinition
from pypaimon.schema.data_types import DataField
class Function:
"""Interface for a function in Paimon."""
def name(self) -> str:
raise NotImplementedError
def full_name(self) -> str:
raise NotImplementedError
def identifier(self) -> Identifier:
raise NotImplementedError
def input_params(self) -> Optional[List[DataField]]:
raise NotImplementedError
def return_params(self) -> Optional[List[DataField]]:
raise NotImplementedError
def is_deterministic(self) -> bool:
raise NotImplementedError
def definitions(self) -> Dict[str, FunctionDefinition]:
raise NotImplementedError
def definition(self, dialect: str) -> Optional[FunctionDefinition]:
raise NotImplementedError
def comment(self) -> Optional[str]:
raise NotImplementedError
def options(self) -> Dict[str, str]:
raise NotImplementedError
class FunctionImpl(Function):
"""Implementation of Function."""
def __init__(
self,
identifier: Identifier,
input_params: Optional[List[DataField]] = None,
return_params: Optional[List[DataField]] = None,
deterministic: bool = False,
definitions: Optional[Dict[str, FunctionDefinition]] = None,
comment: Optional[str] = None,
options: Optional[Dict[str, str]] = None,
):
self._identifier = identifier
self._input_params = input_params
self._return_params = return_params
self._deterministic = deterministic
self._definitions = definitions or {}
self._comment = comment
self._options = options or {}
def name(self) -> str:
return self._identifier.get_object_name()
def full_name(self) -> str:
return self._identifier.get_full_name()
def identifier(self) -> Identifier:
return self._identifier
def input_params(self) -> Optional[List[DataField]]:
return self._input_params
def return_params(self) -> Optional[List[DataField]]:
return self._return_params
def is_deterministic(self) -> bool:
return self._deterministic
def definitions(self) -> Dict[str, FunctionDefinition]:
return self._definitions
def definition(self, dialect: str) -> Optional[FunctionDefinition]:
return self._definitions.get(dialect)
def comment(self) -> Optional[str]:
return self._comment
def options(self) -> Dict[str, str]:
return self._options
def __eq__(self, other):
if not isinstance(other, FunctionImpl):
return False
return (self._identifier == other._identifier
and self._input_params == other._input_params
and self._return_params == other._return_params
and self._deterministic == other._deterministic
and self._definitions == other._definitions
and self._comment == other._comment
and self._options == other._options)
def __hash__(self):
return hash(self._identifier)