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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,291 @@ | ||
| package com.taosdata.jdbc; | ||
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| import com.taosdata.jdbc.rs.RestfulResultSet; | ||
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| import java.nio.ByteBuffer; | ||
| import java.sql.SQLException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.Semaphore; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import static com.taosdata.jdbc.TSDBConstants.*; | ||
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| public class BlockData { | ||
| private List<List<Object>> data; | ||
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| private int returnCode; | ||
| private boolean isCompleted; | ||
| private int numOfRows; | ||
| private ByteBuffer buffer; | ||
| private List<RestfulResultSet.Field> fields; | ||
| Semaphore semaphore; | ||
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| public BlockData(List<List<Object>> data, int returnCode, int numOfRows, ByteBuffer buffer, List<RestfulResultSet.Field> fields) { | ||
| this.data = data; | ||
| this.returnCode = returnCode; | ||
| this.numOfRows = numOfRows; | ||
| this.buffer = buffer; | ||
| this.fields = fields; | ||
| this.semaphore = new Semaphore(0); | ||
| this.isCompleted = false; | ||
| } | ||
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| public static BlockData getEmptyBlockData(List<RestfulResultSet.Field> fields) { | ||
| return new BlockData(null, 0, 0, null, fields); | ||
| } | ||
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| public void handleData() { | ||
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| try { | ||
| int columns = fields.size(); | ||
| List<List<Object>> list = new ArrayList<>(); | ||
| if (buffer != null) { | ||
| buffer.getInt(); // buffer length | ||
| int pHeader = buffer.position() + 28 + columns * 5; | ||
| buffer.position(buffer.position() + 8); | ||
| this.numOfRows = buffer.getInt(); | ||
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| buffer.position(pHeader); | ||
| int bitMapOffset = BitmapLen(numOfRows); | ||
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| List<Integer> lengths = new ArrayList<>(columns); | ||
| for (int i = 0; i < columns; i++) { | ||
| lengths.add(buffer.getInt()); | ||
| } | ||
| pHeader = buffer.position(); | ||
| int length = 0; | ||
| for (int i = 0; i < columns; i++) { | ||
| List<Object> col = new ArrayList<>(numOfRows); | ||
| int type = fields.get(i).getTaosType(); | ||
| switch (type) { | ||
| case TSDB_DATA_TYPE_BOOL: | ||
| case TSDB_DATA_TYPE_TINYINT: | ||
| case TSDB_DATA_TYPE_UTINYINT: { | ||
| length = bitMapOffset; | ||
| byte[] tmp = new byte[bitMapOffset]; | ||
| buffer.get(tmp); | ||
| for (int j = 0; j < numOfRows; j++) { | ||
| byte b = buffer.get(); | ||
| if (isNull(tmp, j)) { | ||
| col.add(null); | ||
| } else { | ||
| col.add(b); | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| case TSDB_DATA_TYPE_SMALLINT: | ||
| case TSDB_DATA_TYPE_USMALLINT: { | ||
| length = bitMapOffset; | ||
| byte[] tmp = new byte[bitMapOffset]; | ||
| buffer.get(tmp); | ||
| for (int j = 0; j < numOfRows; j++) { | ||
| short s = buffer.getShort(); | ||
| if (isNull(tmp, j)) { | ||
| col.add(null); | ||
| } else { | ||
| col.add(s); | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| case TSDB_DATA_TYPE_INT: | ||
| case TSDB_DATA_TYPE_UINT: { | ||
| length = bitMapOffset; | ||
| byte[] tmp = new byte[bitMapOffset]; | ||
| buffer.get(tmp); | ||
| for (int j = 0; j < numOfRows; j++) { | ||
| int in = buffer.getInt(); | ||
| if (isNull(tmp, j)) { | ||
| col.add(null); | ||
| } else { | ||
| col.add(in); | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| case TSDB_DATA_TYPE_BIGINT: | ||
| case TSDB_DATA_TYPE_UBIGINT: | ||
| case TSDB_DATA_TYPE_TIMESTAMP: { | ||
| length = bitMapOffset; | ||
| byte[] tmp = new byte[bitMapOffset]; | ||
| buffer.get(tmp); | ||
| for (int j = 0; j < numOfRows; j++) { | ||
| long l = buffer.getLong(); | ||
| if (isNull(tmp, j)) { | ||
| col.add(null); | ||
| } else { | ||
| col.add(l); | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| case TSDB_DATA_TYPE_FLOAT: { | ||
| length = bitMapOffset; | ||
| byte[] tmp = new byte[bitMapOffset]; | ||
| buffer.get(tmp); | ||
| for (int j = 0; j < numOfRows; j++) { | ||
| float f = buffer.getFloat(); | ||
| if (isNull(tmp, j)) { | ||
| col.add(null); | ||
| } else { | ||
| col.add(f); | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| case TSDB_DATA_TYPE_DOUBLE: { | ||
| length = bitMapOffset; | ||
| byte[] tmp = new byte[bitMapOffset]; | ||
| buffer.get(tmp); | ||
| for (int j = 0; j < numOfRows; j++) { | ||
| double d = buffer.getDouble(); | ||
| if (isNull(tmp, j)) { | ||
| col.add(null); | ||
| } else { | ||
| col.add(d); | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| case TSDB_DATA_TYPE_BINARY: | ||
| case TSDB_DATA_TYPE_JSON: | ||
| case TSDB_DATA_TYPE_VARBINARY: | ||
| case TSDB_DATA_TYPE_GEOMETRY: { | ||
| length = numOfRows * 4; | ||
| List<Integer> offset = new ArrayList<>(numOfRows); | ||
| for (int m = 0; m < numOfRows; m++) { | ||
| offset.add(buffer.getInt()); | ||
| } | ||
| int start = buffer.position(); | ||
| for (int m = 0; m < numOfRows; m++) { | ||
| if (-1 == offset.get(m)) { | ||
| col.add(null); | ||
| continue; | ||
| } | ||
| buffer.position(start + offset.get(m)); | ||
| int len = buffer.getShort() & 0xFFFF; | ||
| byte[] tmp = new byte[len]; | ||
| buffer.get(tmp); | ||
| col.add(tmp); | ||
| } | ||
| break; | ||
| } | ||
| case TSDB_DATA_TYPE_NCHAR: { | ||
| length = numOfRows * 4; | ||
| List<Integer> offset = new ArrayList<>(numOfRows); | ||
| for (int m = 0; m < numOfRows; m++) { | ||
| offset.add(buffer.getInt()); | ||
| } | ||
| int start = buffer.position(); | ||
| for (int m = 0; m < numOfRows; m++) { | ||
| if (-1 == offset.get(m)) { | ||
| col.add(null); | ||
| continue; | ||
| } | ||
| buffer.position(start + offset.get(m)); | ||
| int len = (buffer.getShort() & 0xFFFF) / 4; | ||
| int[] tmp = new int[len]; | ||
| for (int n = 0; n < len; n++) { | ||
| tmp[n] = buffer.getInt(); | ||
| } | ||
| col.add(tmp); | ||
| } | ||
| break; | ||
| } | ||
| default: | ||
| // unknown type, do nothing | ||
| col.add(null); | ||
| break; | ||
| } | ||
| pHeader += length + lengths.get(i); | ||
| buffer.position(pHeader); | ||
| list.add(col); | ||
| } | ||
| } | ||
| this.data = list; | ||
| semaphore.release(); | ||
| }catch (Exception e){ | ||
| e.printStackTrace(); | ||
| } | ||
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| } | ||
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| private int BitmapLen(int n) { | ||
| return (n + 0x7) >> 3; | ||
| } | ||
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| private boolean isNull(byte[] c, int n) { | ||
| int position = n >>> 3; | ||
| int index = n & 0x7; | ||
| return (c[position] & (1 << (7 - index))) == (1 << (7 - index)); | ||
| } | ||
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| public void doneWithNoData(){ | ||
| semaphore.release(); | ||
| } | ||
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| public void waitTillOK() throws SQLException { | ||
| try { | ||
| // must be ok When the CPU has idle time | ||
| if (!semaphore.tryAcquire(500, TimeUnit.SECONDS)) | ||
| { | ||
| throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNKNOWN, "FETCH DATA TIME OUT"); | ||
| } | ||
| } catch (InterruptedException e) { | ||
| Thread.currentThread().interrupt(); | ||
| } | ||
| } | ||
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| public List<List<Object>> getData() { | ||
| return data; | ||
| } | ||
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| public void setData(List<List<Object>> data) { | ||
| this.data = data; | ||
| } | ||
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| public int getReturnCode() { | ||
| return returnCode; | ||
| } | ||
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| public void setReturnCode(int returnCode) { | ||
| this.returnCode = returnCode; | ||
| } | ||
|
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| public int getNumOfRows() { | ||
| return numOfRows; | ||
| } | ||
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| public void setNumOfRows(int numOfRows) { | ||
| this.numOfRows = numOfRows; | ||
| } | ||
|
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| public ByteBuffer getBuffer() { | ||
| return buffer; | ||
| } | ||
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| public void setBuffer(ByteBuffer buffer) { | ||
| this.buffer = buffer; | ||
| } | ||
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| public List<RestfulResultSet.Field> getFields() { | ||
| return fields; | ||
| } | ||
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| public void setFields(List<RestfulResultSet.Field> fields) { | ||
| this.fields = fields; | ||
| } | ||
|
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| public boolean isCompleted() { | ||
| return isCompleted; | ||
| } | ||
|
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| public void setCompleted(boolean completed) { | ||
| isCompleted = completed; | ||
| } | ||
| } |
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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