watcher: Expose isClosed method #800

	#
	# Copyright 2016-2023 The jetcd authors
	#
	# Licensed 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.
	#

	name: Build PR

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
	cancel-in-progress: true

	permissions:
	contents: read

	on:
	pull_request:
	branches:
	- main
	workflow_dispatch:

	jobs:
	checks:
	uses: ./.github/workflows/checks.yml

	build:
	needs:
	- checks
	strategy:
	matrix:
	java-version:
	- 11
	- 17
	- 21
	etcd:
	- gcr.io/etcd-development/etcd:v3.5.10
	- gcr.io/etcd-development/etcd:v3.4.27
	uses: ./.github/workflows/build.yml
	with:
	javaVersion: "${{ matrix.java-version }}"
	etcdImage: "${{ matrix.etcd }}"

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