public class ValueLob extends Value
Value.ValueBlob, Value.ValueClob
ARRAY, BLOB, BOOLEAN, BYTE, BYTES, CLOB, DATE, DECIMAL, DOUBLE, FLOAT, GEOMETRY, INT, JAVA_OBJECT, LONG, NULL, RESULT_SET, SHORT, STRING, STRING_FIXED, STRING_IGNORECASE, TIME, TIMESTAMP, TIMESTAMP_TZ, TYPE_COUNT, UNKNOWN, UUID
Modifier and Type | Method and Description |
---|---|
protected int |
compareSecure(Value v,
CompareMode mode)
Compare the value with another value of the same type.
|
Value |
convertPrecision(long precision,
boolean force)
Convert the precision to the requested value.
|
Value |
convertTo(int t)
Convert a lob to another data type.
|
void |
convertToFileIfRequired(DataHandler h)
Store the lob data to a file if the size of the buffer is larger than the
maximum size for an in-place lob.
|
Value |
copy(DataHandler h,
int tabId)
Copy a large value, to be used in the given table.
|
ValueLob |
copyToTemp()
Create an independent copy of this temporary value.
|
boolean |
equals(Object other)
Check if the two values have the same hash code.
|
byte[] |
getBytes() |
byte[] |
getBytesNoCopy() |
int |
getDisplaySize()
Get the display size in characters.
|
String |
getFileName()
Get the current file name where the lob is saved.
|
InputStream |
getInputStream() |
int |
getMemory()
Get the memory used by this object.
|
Object |
getObject()
Get the value as an object.
|
int |
getObjectId()
Get the current object id of this lob.
|
long |
getPrecision()
Get the precision.
|
Reader |
getReader() |
byte[] |
getSmall()
Get the data if this a small lob value.
|
String |
getSQL()
Get the SQL expression for this value.
|
String |
getString()
Get the value as a string.
|
int |
getTableId()
Get the current table id of this lob.
|
String |
getTraceSQL()
Get a medium size SQL expression for debugging or tracing.
|
int |
getType()
Get the value type.
|
int |
hashCode() |
boolean |
isCompressed()
Check if this lob value is compressed.
|
boolean |
isLinkedToTable()
Check if this value is linked to a specific table.
|
static ValueLob |
openLinked(int type,
DataHandler handler,
int tableId,
int objectId,
long precision,
boolean compression)
Create a LOB value with the given parameters.
|
static ValueLob |
openUnlinked(int type,
DataHandler handler,
int tableId,
int objectId,
long precision,
boolean compression,
String fileName)
Create a LOB value with the given parameters.
|
void |
remove()
Remove the underlying resource, if any.
|
void |
set(PreparedStatement prep,
int parameterIndex)
Set the value as a parameter in a prepared statement.
|
add, checkPrecision, clearCache, compareTo, compareTypeSafe, convertScale, copyToResult, divide, getBigDecimal, getBoolean, getByte, getDataHandler, getDate, getDouble, getFloat, getHigherOrder, getInt, getLong, getResultSet, getScale, getShort, getSignum, getTime, getTimestamp, modulus, multiply, negate, subtract, throwUnsupportedExceptionForType, toString
public static ValueLob openLinked(int type, DataHandler handler, int tableId, int objectId, long precision, boolean compression)
type
- the data typehandler
- the file handlertableId
- the table object idobjectId
- the object idprecision
- the precision (length in elements)compression
- if compression is usedpublic static ValueLob openUnlinked(int type, DataHandler handler, int tableId, int objectId, long precision, boolean compression, String fileName)
type
- the data typehandler
- the file handlertableId
- the table object idobjectId
- the object idprecision
- the precision (length in elements)compression
- if compression is usedfileName
- the file namepublic Value convertTo(int t)
public boolean isLinkedToTable()
Value
isLinkedToTable
in class Value
public String getFileName()
public void remove()
Value
public Value copy(DataHandler h, int tabId)
Value
public int getTableId()
getTableId
in class Value
public int getObjectId()
public int getType()
Value
public long getPrecision()
Value
getPrecision
in class Value
public byte[] getBytesNoCopy()
getBytesNoCopy
in class Value
protected int compareSecure(Value v, CompareMode mode)
Value
compareSecure
in class Value
v
- the other valuemode
- the compare modepublic Object getObject()
Value
public InputStream getInputStream()
getInputStream
in class Value
public void set(PreparedStatement prep, int parameterIndex) throws SQLException
Value
set
in class Value
prep
- the prepared statementparameterIndex
- the parameter indexSQLException
public String getSQL()
Value
public String getTraceSQL()
Value
getTraceSQL
in class Value
public byte[] getSmall()
public int getDisplaySize()
Value
getDisplaySize
in class Value
public boolean equals(Object other)
Value
public void convertToFileIfRequired(DataHandler h)
h
- the data handlerpublic boolean isCompressed()
public int getMemory()
Value
public ValueLob copyToTemp()
copyToTemp
in class Value
public Value convertPrecision(long precision, boolean force)
Value
convertPrecision
in class Value
precision
- the new precisionforce
- true if losing numeric precision is allowedCopyright © 2017 JBoss by Red Hat. All rights reserved.