# 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.

"""Entry represents a key value."""


class BlockEntry:
    """Entry represents a key value."""

    def __init__(self, key: bytes, value: bytes):
        """Initialize BlockEntry.

        Args:
            key: The key bytes
            value: The value bytes
        """
        if key is None:
            raise ValueError("key is null")
        if value is None:
            raise ValueError("value is null")
        self.key = key
        self.value = value

    def __eq__(self, other) -> bool:
        """Check equality with another BlockEntry."""
        if self is other:
            return True
        if other is None or not isinstance(other, BlockEntry):
            return False
        return self.key == other.key and self.value == other.value

    def __hash__(self) -> int:
        """Return hash of this BlockEntry."""
        result = hash(self.key)
        result = 31 * result + hash(self.value)
        return result

    def __repr__(self) -> str:
        """Return string representation."""
        return f"BlockEntry(key={self.key!r}, value={self.value!r})"