import org.springframework.boot.autoconfigure.jdbc.EmbeddedDatabaseConnection; //导入依赖的package包/类
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context,
		AnnotatedTypeMetadata metadata) {
	ConditionMessage.Builder message = ConditionMessage
			.forCondition("EmbeddedDataSource");
	if (anyMatches(context, metadata, this.pooledCondition)) {
		return ConditionOutcome
				.noMatch(message.foundExactly("supported pooled data source"));
	}
	EmbeddedDatabaseType type = EmbeddedDatabaseConnection
			.get(context.getClassLoader()).getType();
	if (type == null) {
		return ConditionOutcome
				.noMatch(message.didNotFind("embedded database").atAll());
	}
	return ConditionOutcome.match(message.found("embedded database").items(type));
}
 

import org.springframework.boot.autoconfigure.jdbc.EmbeddedDatabaseConnection; //导入依赖的package包/类
public EmbeddedDatabase getEmbeddedDatabase() {
	EmbeddedDatabaseConnection connection = this.environment.getProperty(
			"spring.test.database.connection", EmbeddedDatabaseConnection.class,
			EmbeddedDatabaseConnection.NONE);
	if (EmbeddedDatabaseConnection.NONE.equals(connection)) {
		connection = EmbeddedDatabaseConnection.get(getClass().getClassLoader());
	}
	return new EmbeddedDatabaseBuilder().setType(connection.getType()).build();
}
 

import org.springframework.boot.autoconfigure.jdbc.EmbeddedDatabaseConnection; //导入依赖的package包/类
@Before
public void init() {
	EmbeddedDatabaseConnection db = EmbeddedDatabaseConnection.HSQL;
	this.dataSource = new SingleConnectionDataSource(db.getUrl() + ";shutdown=true",
			"sa", "", false);
	this.dataSource.setDriverClassName(db.getDriverClassName());
}
 

import org.springframework.boot.autoconfigure.jdbc.EmbeddedDatabaseConnection; //导入依赖的package包/类
private String getDefaultDdlAuto(DataSource dataSource) {
	if (EmbeddedDatabaseConnection.isEmbedded(dataSource)) {
		return "create-drop";
	}
	return "none";
}