forked from square/dagger
/
BindingGraphPlugin.java
68 lines (61 loc) · 2.25 KB
/
BindingGraphPlugin.java
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/*
* Copyright (C) 2021 The Dagger 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.
*/
package dagger.spi.model;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
// TODO(bcorso): Move this into dagger/spi?
/**
* A pluggable visitor for {@link BindingGraph}.
*
* <p>Note: This is still experimental and will change.
*/
public interface BindingGraphPlugin {
/**
* Called once for each valid root binding graph encountered by the Dagger processor. May report
* diagnostics using {@code diagnosticReporter}.
*/
void visitGraph(BindingGraph bindingGraph, DiagnosticReporter diagnosticReporter);
/**
* Initializes this plugin with a {@link DaggerProcessingEnv}.
*
* <p>This will be called once per instance of this plugin, before any graph is
* {@linkplain #visitGraph(BindingGraph, DiagnosticReporter) visited}.
*/
default void init(DaggerProcessingEnv processingEnv, Map<String, String> options) {}
/**
* Returns the annotation-processing options that this plugin uses to configure behavior.
*
* @see javax.annotation.processing.Processor#getSupportedOptions()
*/
default Set<String> supportedOptions() {
return Collections.emptySet();
}
/**
* A distinguishing name of the plugin that will be used in diagnostics printed to the messager.
* By default, the {@linkplain Class#getCanonicalName() fully qualified name} of the plugin is
* used.
*/
default String pluginName() {
return getClass().getCanonicalName();
}
/**
* Perform any extra work after the plugin finished all its visiting. This will be called once per
* instance of this plugin, after all graphs were {@linkplain #visitGraph(BindingGraph,
* DiagnosticReporter) visited}
*/
default void onPluginEnd() {}
}