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java.lang.Objectorg.h2.value.Value
org.h2.value.ValueNull
public class ValueNull
Implementation of NULL. NULL is not a regular data type.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.h2.value.Value |
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Value.ValueBlob, Value.ValueClob |
Field Summary | |
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static ValueNull |
DELETED
This special instance is used as a marker for deleted entries in a map. |
static ValueNull |
INSTANCE
The main NULL instance. |
Fields inherited from class org.h2.value.Value |
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ARRAY, BLOB, BOOLEAN, BYTE, BYTES, CLOB, DATE, DECIMAL, DOUBLE, FLOAT, INT, JAVA_OBJECT, LONG, NULL, RESULT_SET, SHORT, STRING, STRING_FIXED, STRING_IGNORECASE, TIME, TIMESTAMP, TYPE_COUNT, UNKNOWN, UUID |
Method Summary | |
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protected int |
compareSecure(Value v,
CompareMode mode)
Compare the value with another value of the same type. |
Value |
convertTo(int type)
Compare a value to the specified type. |
boolean |
equals(java.lang.Object other)
Check if the two values have the same hash code. |
java.math.BigDecimal |
getBigDecimal()
|
java.lang.Boolean |
getBoolean()
|
byte |
getByte()
|
byte[] |
getBytes()
|
java.sql.Date |
getDate()
|
int |
getDisplaySize()
Get the display size in characters. |
double |
getDouble()
|
float |
getFloat()
|
java.io.InputStream |
getInputStream()
|
int |
getInt()
|
long |
getLong()
|
java.lang.Object |
getObject()
Get the value as an object. |
long |
getPrecision()
Get the precision. |
java.io.Reader |
getReader()
|
short |
getShort()
|
java.lang.String |
getSQL()
Get the SQL expression for this value. |
java.lang.String |
getString()
Get the value as a string. |
java.sql.Time |
getTime()
|
java.sql.Timestamp |
getTimestamp()
|
int |
getType()
Get the value type. |
int |
hashCode()
|
void |
set(java.sql.PreparedStatement prep,
int parameterIndex)
Set the value as a parameter in a prepared statement. |
Methods inherited from class org.h2.value.Value |
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add, checkPrecision, clearCache, close, compareTo, compareTypeSave, convertPrecision, convertScale, copyToTemp, divide, getBytesNoCopy, getDateNoCopy, getHigherOrder, getMemory, getScale, getSignum, getSmall, getTableId, getTimeNoCopy, getTimestampNoCopy, getTraceSQL, isFileBased, isLinked, link, multiply, negate, subtract, throwUnsupportedExceptionForType, toString, unlink |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final ValueNull INSTANCE
public static final ValueNull DELETED
Method Detail |
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public java.lang.String getSQL()
Value
getSQL
in class Value
public int getType()
Value
getType
in class Value
public java.lang.String getString()
Value
getString
in class Value
public java.lang.Boolean getBoolean()
getBoolean
in class Value
public java.sql.Date getDate()
getDate
in class Value
public java.sql.Time getTime()
getTime
in class Value
public java.sql.Timestamp getTimestamp()
getTimestamp
in class Value
public byte[] getBytes()
getBytes
in class Value
public byte getByte()
getByte
in class Value
public short getShort()
getShort
in class Value
public java.math.BigDecimal getBigDecimal()
getBigDecimal
in class Value
public double getDouble()
getDouble
in class Value
public float getFloat()
getFloat
in class Value
public int getInt()
getInt
in class Value
public long getLong()
getLong
in class Value
public java.io.InputStream getInputStream()
getInputStream
in class Value
public java.io.Reader getReader()
getReader
in class Value
public Value convertTo(int type)
Value
convertTo
in class Value
type
- the type of the returned value
protected int compareSecure(Value v, CompareMode mode)
Value
compareSecure
in class Value
v
- the other valuemode
- the compare mode
public long getPrecision()
Value
getPrecision
in class Value
public int hashCode()
hashCode
in class Value
public java.lang.Object getObject()
Value
getObject
in class Value
public void set(java.sql.PreparedStatement prep, int parameterIndex) throws java.sql.SQLException
Value
set
in class Value
prep
- the prepared statementparameterIndex
- the parameter index
java.sql.SQLException
public int getDisplaySize()
Value
getDisplaySize
in class Value
public boolean equals(java.lang.Object other)
Value
equals
in class Value
other
- the other value
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