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@@ -0,0 +1,79 @@
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+package com.yunzhi.demo.log;
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+
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+import static ch.qos.logback.core.db.DBHelper.closeStatement;
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+import ch.qos.logback.core.UnsynchronizedAppenderBase;
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+import ch.qos.logback.core.db.ConnectionSource;
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+import ch.qos.logback.core.encoder.Encoder;
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+
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+import java.sql.Connection;
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+import java.sql.PreparedStatement;
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+import java.util.Arrays;
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+
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+public class MysqlAppender<E> extends UnsynchronizedAppenderBase<E> {
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+ protected ConnectionSource connectionSource;
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+ protected Encoder<E> encoder;
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+ protected String app = "medical_plat";
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+
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+ @Override
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+ public void start() {
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+ if (connectionSource == null) {
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+ throw new IllegalStateException("MysqlAppender cannot function without a connection source");
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+ }
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+
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+ super.start();
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+ }
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+
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+ public ConnectionSource getConnectionSource() {
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+ return connectionSource;
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+ }
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+
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+ public void setConnectionSource(ConnectionSource connectionSource) {
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+ this.connectionSource = connectionSource;
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+ }
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+
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+ @Override
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+ protected void append(E event) {
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+ Connection connection = null;
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+ PreparedStatement insertStatement = null;
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+
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+ try {
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+ connection = connectionSource.getConnection();
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+ connection.setAutoCommit(false);
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+ insertStatement = connection.prepareStatement(getInsertSQL());
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+
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+ synchronized (this) {
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+ byte[] logContent = this.encoder.encode(event);
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+ insertStatement.setBytes(1, logContent);
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+ insertStatement.execute();
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+ closeStatement(insertStatement);
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+ }
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+
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+ connection.commit();
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+ } catch (Throwable sqle) {
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+ addError("problem appending event", sqle);
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+ }
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+
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+ }
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+
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+ public Encoder<E> getEncoder() {
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+ return encoder;
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+ }
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+
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+ public void setEncoder(Encoder<E> encoder) {
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+ this.encoder = encoder;
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+ }
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+
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+ @Override
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+ public void stop() {
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+ super.stop();
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+ }
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+
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+ private String getInsertSQL() {
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+ String tableName = "ta_"+app;
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+ String[] columns = {"log"};
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+ String[] signs = Arrays.stream(columns).map(x -> "?").toArray(String[]::new);
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+ String sql = String.format("INSERT INTO %s (%s) values (%s)", tableName, String.join(",", columns), String.join(",", signs));
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+// System.out.println(sql);
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+ return sql;
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+ }
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+}
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