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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 com.intellij.execution.runners;
import com.intellij.execution.ExecutionException;
import com.intellij.execution.ExecutionManager;
import com.intellij.execution.Executor;
import com.intellij.execution.RunProfileStarter;
import com.intellij.execution.configurations.RunProfileState;
import com.intellij.execution.configurations.RunnerSettings;
import com.intellij.execution.ui.RunContentDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.AsyncResult;
import com.intellij.util.Consumer;
import com.intellij.util.NullableConsumer;
import com.intellij.util.ObjectUtils;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* Allows to postpone actual {@link RunProfileState} execution until all the needed preparations are done.
*/
public abstract class AsyncGenericProgramRunner<Settings extends RunnerSettings> extends BaseProgramRunner<Settings> {
@Override
protected final void execute(@NotNull final ExecutionEnvironment environment,
@Nullable final Callback callback,
@NotNull final Project project,
@NotNull final RunProfileState state) throws ExecutionException {
prepare(project, environment, state).doWhenDone(new Consumer<RunProfileStarter>() {
@Override
public void consume(@Nullable final RunProfileStarter result) {
UIUtil.invokeLaterIfNeeded(new Runnable() {
@Override
public void run() {
if (!project.isDisposed()) {
startRunProfile(project, environment, state, callback, result);
}
}
});
}
}).doWhenRejected(new NullableConsumer<String>() {
@Override
public void consume(@Nullable String errorMessage) {
if (project.isDisposed()) {
return;
}
ExecutionUtil.handleExecutionError(project, environment.getExecutor().getToolWindowId(), environment.getRunProfile(),
new ExecutionException(ObjectUtils.chooseNotNull(errorMessage, "Internal error")));
}
});
}
/**
* Makes all the needed preparations for the further execution. Although this method is called in EDT,
* these preparations can be performed in a background thread.
*
* @param project Project instance
* @param environment ExecutionEnvironment instance
* @param state RunProfileState instance
* @return RunProfileStarter async result
*/
@NotNull
protected abstract AsyncResult<RunProfileStarter> prepare(@NotNull Project project,
@NotNull ExecutionEnvironment environment,
@NotNull RunProfileState state) throws ExecutionException;
private static void startRunProfile(@NotNull Project project,
@NotNull ExecutionEnvironment environment,
@NotNull RunProfileState state,
@Nullable final Callback callback,
@Nullable final RunProfileStarter starter) {
ExecutionManager.getInstance(project).startRunProfile(new RunProfileStarter() {
@Override
public RunContentDescriptor execute(@NotNull Project project,
@NotNull Executor executor,
@NotNull RunProfileState state,
@Nullable RunContentDescriptor contentToReuse,
@NotNull ExecutionEnvironment environment) throws ExecutionException {
return postProcess(environment, starter == null ? null : starter.execute(project, executor, state, contentToReuse, environment), callback);
}
}, state, environment);
}
}
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