Reply (Apache Derby V10.14 Internals)

java.lang.Object
- org.apache.derby.client.net.Reply

Direct Known Subclasses:

NetConnectionReply
```
class Reply
extends java.lang.Object
```

Field Summary

Fields
Modifier and Type	Field	Description
`protected Agent`	`agent_`
`protected byte[]`	`buffer_`
`protected int`	`count_`
`private int`	`currentPos_`
`private int[]`	`ddmCollectionLenStack_`
`private int`	`ddmScalarLen_`
`protected static int`	`DEFAULT_BUFFER_SIZE`
`private int`	`dssCorrelationID_`
`private boolean`	`dssIsChainedWithSameID_`
`private boolean`	`dssIsContinued_`
`protected int`	`dssLength_`
`private static int`	`EMPTY_STACK`
`(package private) static int`	`END_OF_COLLECTION`
`(package private) static int`	`END_OF_SAME_ID_CHAIN`
`protected boolean`	`ensuredLengthForDecryption_`
`protected byte[]`	`longBufferForDecryption_`
`protected int`	`longCountForDecryption_`
`protected int`	`longPosForDecryption_`
`protected byte[]`	`longValueForDecryption_`
`private static int`	`MAX_MARKS_NESTING`
`protected NetAgent`	`netAgent_`
`private int`	`peekedCodePoint_`
`protected int`	`peekedLength_`
`private int`	`peekedNumOfExtendedLenBytes_`
`protected int`	`pos_`
`private int`	`topDdmCollectionStack_`

Constructor Summary

Constructors
Constructor Description

Reply(NetAgent netAgent, int bufferSize)

Constructors
Constructor	Description
`Reply(NetAgent netAgent, int bufferSize)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private void`	`adjustCollectionAndDssLengths(int length)`
`protected int`	`adjustDdmLength(int ddmLength, int length)`
`protected void`	`adjustLengths(int length)`
`private void`	`compressBLayerData(int continueDssHeaderCount)`
`private void`	`decryptData(int gdsFormatter, int oldDssLength)`
`(package private) void`	`doSyntaxrmSemantics(int syntaxErrorCode)`
`protected void`	`endOfSameIdChainData()`
`private int`	`ensureALayerDataInBuffer(int desiredDataSize)`
`protected void`	`ensureBLayerDataInBuffer(int desiredDataSize)`
`private void`	`ensureSpaceInBufferForFill(int desiredSpace)`
`private int`	`fill(int minimumBytesNeeded)`
`(package private) java.io.ByteArrayOutputStream`	`getData(java.io.ByteArrayOutputStream existingBuffer)`
`(package private) int`	`getDdmLength()`
`(package private) java.io.ByteArrayOutputStream`	`getFastData(java.io.ByteArrayOutputStream existingBuffer)`
`(package private) int`	`getFastSkipSQLCARDrowLength()`
`(package private) void`	`initialize()`
`(package private) void`	`mark()`
`protected void`	`matchCodePoint(int expectedCodePoint)`
`protected void`	`parseLengthAndMatchCodePoint(int expectedCodePoint)`
`protected int`	`peekCodePoint()`
`private void`	`peekExtendedLength()`
`protected int`	`peekFastBytes(byte[] b, int offset, int length)`
`protected int`	`peekFastLength()`
`protected boolean`	`peekForNullSqlcagrp()`
`protected int`	`peekNumOfColumns()`
`protected int`	`peekTotalColumnCount(int tripletLength)`
`protected void`	`popCollectionStack()`
`private int`	`popMark()`
`protected void`	`pushLengthOnCollectionStack()`
`(package private) byte`	`readByte()`
`(package private) byte[]`	`readBytes()`
`(package private) byte[]`	`readBytes(int length)`
`private void`	`readDSSContinuationHeader()`
`private void`	`readDssHeader()`
`private void`	`readExtendedLength()`
`(package private) byte`	`readFastByte()`
`(package private) byte[]`	`readFastBytes(int length)`
`(package private) int`	`readFastInt()`
`(package private) void`	`readFastIntArray(int[] array)`
`(package private) byte[]`	`readFastLDBytes()`
`(package private) long`	`readFastLong()`
`(package private) short`	`readFastShort()`
`(package private) java.lang.String`	`readFastString(int length)`
`(package private) java.lang.String`	`readFastString(int length, java.nio.charset.Charset encoding)`
`(package private) int`	`readFastUnsignedByte()`
`(package private) int`	`readFastUnsignedShort()`
`(package private) int`	`readInt()`
`private int`	`readLengthAndCodePoint()`
`(package private) short`	`readShort()`
`(package private) java.lang.String`	`readString()`
`(package private) java.lang.String`	`readString(int length, java.nio.charset.Charset encoding)`
`(package private) int`	`readUnsignedByte()`
`(package private) int`	`readUnsignedShort()`
`(package private) int[]`	`readUnsignedShortList()`
`private void`	`shiftBuffer(byte[] destinationBuffer)`
`(package private) void`	`skipBytes()`
`(package private) void`	`skipBytes(int length)`
`(package private) void`	`skipFastBytes(int length)`
`private int`	`skipSQLDHROW(int offset)`
`protected void`	`startSameIdChainParse()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

agent_
```
protected Agent agent_
```

netAgent_
```
protected NetAgent netAgent_
```

DEFAULT_BUFFER_SIZE
```
protected static final int DEFAULT_BUFFER_SIZE
```
See Also:

Constant Field Values

buffer_
```
protected byte[] buffer_
```

pos_
```
protected int pos_
```

count_
```
protected int count_
```

topDdmCollectionStack_
```
private int topDdmCollectionStack_
```

MAX_MARKS_NESTING
```
private static final int MAX_MARKS_NESTING
```
See Also:

Constant Field Values

ddmCollectionLenStack_
```
private int[] ddmCollectionLenStack_
```

ddmScalarLen_
```
private int ddmScalarLen_
```

EMPTY_STACK
```
private static final int EMPTY_STACK
```
See Also:

Constant Field Values

ensuredLengthForDecryption_

protected boolean ensuredLengthForDecryption_

longBufferForDecryption_

protected byte[] longBufferForDecryption_

longPosForDecryption_
```
protected int longPosForDecryption_
```

longValueForDecryption_

protected byte[] longValueForDecryption_

longCountForDecryption_
```
protected int longCountForDecryption_
```

dssLength_
```
protected int dssLength_
```

dssIsContinued_
```
private boolean dssIsContinued_
```

dssIsChainedWithSameID_

private boolean dssIsChainedWithSameID_

dssCorrelationID_
```
private int dssCorrelationID_
```

peekedLength_
```
protected int peekedLength_
```

peekedCodePoint_
```
private int peekedCodePoint_
```

peekedNumOfExtendedLenBytes_

private int peekedNumOfExtendedLenBytes_

currentPos_
```
private int currentPos_
```

END_OF_COLLECTION
```
static final int END_OF_COLLECTION
```
See Also:

Constant Field Values

END_OF_SAME_ID_CHAIN
```
static final int END_OF_SAME_ID_CHAIN
```
See Also:

Constant Field Values

Constructor Detail

Reply

Reply(NetAgent netAgent,
      int bufferSize)

Method Detail

initialize
```
final void initialize()
```

getDdmLength
```
final int getDdmLength()
```

shiftBuffer

private void shiftBuffer(byte[] destinationBuffer)

ensureSpaceInBufferForFill

private void ensureSpaceInBufferForFill(int desiredSpace)

fill

private int fill(int minimumBytesNeeded)
          throws DisconnectException

Throws:: DisconnectException

ensureALayerDataInBuffer

private int ensureALayerDataInBuffer(int desiredDataSize)
                              throws DisconnectException

Throws:: DisconnectException

ensureBLayerDataInBuffer

protected final void ensureBLayerDataInBuffer(int desiredDataSize)
                                       throws DisconnectException

Throws:: DisconnectException

compressBLayerData

private void compressBLayerData(int continueDssHeaderCount)
                         throws DisconnectException

Throws:: DisconnectException

readDssHeader

private void readDssHeader()
                    throws DisconnectException

Throws:: DisconnectException

decryptData

private void decryptData(int gdsFormatter,
                         int oldDssLength)
                  throws DisconnectException

Throws:: DisconnectException

readUnsignedShort

final int readUnsignedShort()
                     throws DisconnectException

Throws:: DisconnectException

readShort

final short readShort()
               throws DisconnectException

Throws:: DisconnectException

readInt

final int readInt()
           throws DisconnectException

Throws:: DisconnectException

readUnsignedShortList

final int[] readUnsignedShortList()
                           throws DisconnectException

Throws:: DisconnectException

readUnsignedByte

final int readUnsignedByte()
                    throws DisconnectException

Throws:: DisconnectException

readByte

final byte readByte()
             throws DisconnectException

Throws:: DisconnectException

readString

final java.lang.String readString(int length,
                                  java.nio.charset.Charset encoding)
                           throws DisconnectException

Throws:: DisconnectException

readString

final java.lang.String readString()
                           throws DisconnectException

Throws:: DisconnectException

readBytes

final byte[] readBytes(int length)
                throws DisconnectException

Throws:: DisconnectException

readBytes

final byte[] readBytes()
                throws DisconnectException

Throws:: DisconnectException

skipBytes

final void skipBytes(int length)
              throws DisconnectException

Throws:: DisconnectException

skipBytes

final void skipBytes()
              throws DisconnectException

Throws:: DisconnectException

getData

final java.io.ByteArrayOutputStream getData(java.io.ByteArrayOutputStream existingBuffer)
                                     throws DisconnectException

Throws:: DisconnectException

readDSSContinuationHeader

private void readDSSContinuationHeader()
                                throws DisconnectException

Throws:: DisconnectException

doSyntaxrmSemantics

final void doSyntaxrmSemantics(int syntaxErrorCode)
                        throws DisconnectException

Throws:: DisconnectException

pushLengthOnCollectionStack

protected final void pushLengthOnCollectionStack()

adjustLengths

protected final void adjustLengths(int length)

adjustDdmLength

protected int adjustDdmLength(int ddmLength,
                              int length)

popCollectionStack

protected final void popCollectionStack()

peekCodePoint

protected final int peekCodePoint()
                           throws DisconnectException

Throws:: DisconnectException

peekFastBytes

protected final int peekFastBytes(byte[] b,
                                  int offset,
                                  int length)
                           throws DisconnectException

Throws:: DisconnectException

parseLengthAndMatchCodePoint

protected final void parseLengthAndMatchCodePoint(int expectedCodePoint)
                                           throws DisconnectException

Throws:: DisconnectException

readLengthAndCodePoint

private int readLengthAndCodePoint()
                            throws DisconnectException

Throws:: DisconnectException

readExtendedLength

private void readExtendedLength()
                         throws DisconnectException

Throws:: DisconnectException

adjustCollectionAndDssLengths

private void adjustCollectionAndDssLengths(int length)

startSameIdChainParse

protected final void startSameIdChainParse()
                                    throws DisconnectException

Throws:: DisconnectException

endOfSameIdChainData

protected final void endOfSameIdChainData()
                                   throws DisconnectException

Throws:: DisconnectException

peekTotalColumnCount

protected final int peekTotalColumnCount(int tripletLength)
                                  throws DisconnectException

Throws:: DisconnectException

peekExtendedLength

private void peekExtendedLength()
                         throws DisconnectException

Throws:: DisconnectException

readFastUnsignedByte

final int readFastUnsignedByte()
                        throws DisconnectException

Throws:: DisconnectException

readFastShort

final short readFastShort()
                   throws DisconnectException

Throws:: DisconnectException

readFastUnsignedShort

final int readFastUnsignedShort()
                         throws DisconnectException

Throws:: DisconnectException

readFastInt

final int readFastInt()
               throws DisconnectException

Throws:: DisconnectException

readFastString

final java.lang.String readFastString(int length)
                               throws DisconnectException

Throws:: DisconnectException

readFastBytes

final byte[] readFastBytes(int length)
                    throws DisconnectException

Throws:: DisconnectException

peekFastLength

protected final int peekFastLength()
                            throws DisconnectException

Throws:: DisconnectException

skipFastBytes

final void skipFastBytes(int length)
                  throws DisconnectException

Throws:: DisconnectException

readFastIntArray

final void readFastIntArray(int[] array)
                     throws DisconnectException

Throws:: DisconnectException

readFastString

final java.lang.String readFastString(int length,
                                      java.nio.charset.Charset encoding)

readFastLDBytes

final byte[] readFastLDBytes()
                      throws DisconnectException

Throws:: DisconnectException

readFastLong

final long readFastLong()
                 throws DisconnectException

Throws:: DisconnectException

readFastByte

final byte readFastByte()
                 throws DisconnectException

Throws:: DisconnectException

mark
```
final void mark()
```

popMark
```
private int popMark()
```

getFastSkipSQLCARDrowLength

final int getFastSkipSQLCARDrowLength()

getFastData

final java.io.ByteArrayOutputStream getFastData(java.io.ByteArrayOutputStream existingBuffer)
                                         throws DisconnectException

Throws:: DisconnectException

matchCodePoint

protected final void matchCodePoint(int expectedCodePoint)
                             throws DisconnectException

Throws:: DisconnectException

peekNumOfColumns

protected final int peekNumOfColumns()
                              throws DisconnectException

Throws:: DisconnectException

peekForNullSqlcagrp

protected final boolean peekForNullSqlcagrp()

skipSQLDHROW

private int skipSQLDHROW(int offset)

Class Reply

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

agent_

netAgent_

DEFAULT_BUFFER_SIZE

buffer_

pos_

count_

topDdmCollectionStack_

MAX_MARKS_NESTING

ddmCollectionLenStack_

ddmScalarLen_

EMPTY_STACK

ensuredLengthForDecryption_

longBufferForDecryption_

longPosForDecryption_

longValueForDecryption_

longCountForDecryption_

dssLength_

dssIsContinued_

dssIsChainedWithSameID_

dssCorrelationID_

peekedLength_

peekedCodePoint_

peekedNumOfExtendedLenBytes_

currentPos_

END_OF_COLLECTION

END_OF_SAME_ID_CHAIN

Constructor Detail

Reply

Method Detail

initialize

getDdmLength

shiftBuffer

ensureSpaceInBufferForFill

fill

ensureALayerDataInBuffer

ensureBLayerDataInBuffer

compressBLayerData

readDssHeader

decryptData

readUnsignedShort

readShort

readInt

readUnsignedShortList

readUnsignedByte

readByte

readString

readString

readBytes

readBytes

skipBytes

skipBytes

getData

readDSSContinuationHeader

doSyntaxrmSemantics

pushLengthOnCollectionStack

adjustLengths

adjustDdmLength

popCollectionStack

peekCodePoint

peekFastBytes

parseLengthAndMatchCodePoint

readLengthAndCodePoint

readExtendedLength

adjustCollectionAndDssLengths

startSameIdChainParse

endOfSameIdChainData

peekTotalColumnCount

peekExtendedLength

readFastUnsignedByte

readFastShort

readFastUnsignedShort

readFastInt

readFastString

readFastBytes