com.healthmarketscience.jackcess.impl

Class IndexData.ColumnDescriptor

java.lang.Object

com.healthmarketscience.jackcess.impl.IndexData.ColumnDescriptor

All Implemented Interfaces:

Index.Column

Direct Known Subclasses:

IndexData.BinaryColumnDescriptor, IndexData.BooleanColumnDescriptor, IndexData.ByteColumnDescriptor, IndexData.FloatingPointColumnDescriptor, IndexData.GenLegTextColumnDescriptor, IndexData.GenTextColumnDescriptor, IndexData.GuidColumnDescriptor, IndexData.IntegerColumnDescriptor, IndexData.LegacyFixedPointColumnDescriptor, IndexData.ReadOnlyColumnDescriptor

Enclosing class:

IndexData

public abstract static class IndexData.ColumnDescriptor
extends java.lang.Object
implements Index.Column

Information about the columns in an index. Also encodes new index values.

Field Summary

Fields

Modifier and Type	Field and Description
private ColumnImpl	_column
private byte	_flags

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ColumnDescriptor(ColumnImpl column, byte flags)

Method Summary

Modifier and Type	Method and Description
ColumnImpl	getColumn()
int	getColumnIndex()
byte	getFlags()
java.lang.String	getName()
boolean	isAscending()
protected boolean	isNullValue(java.lang.Object value)
java.lang.String	toString()
protected abstract void	writeNonNullValue(java.lang.Object value, ByteUtil.ByteStream bout)
protected void	writeValue(java.lang.Object value, ByteUtil.ByteStream bout)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_column

private final ColumnImpl _column

_flags

private final byte _flags

Constructor Detail

ColumnDescriptor

private ColumnDescriptor(ColumnImpl column,
                         byte flags)
                  throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getColumn

public ColumnImpl getColumn()

Specified by:

getColumn in interface Index.Column

getFlags

public byte getFlags()

isAscending

public boolean isAscending()

Specified by:

isAscending in interface Index.Column

getColumnIndex

public int getColumnIndex()

Specified by:

getColumnIndex in interface Index.Column

getName

public java.lang.String getName()

Specified by:

getName in interface Index.Column

isNullValue

protected boolean isNullValue(java.lang.Object value)

writeValue

protected final void writeValue(java.lang.Object value,
                                ByteUtil.ByteStream bout)
                         throws java.io.IOException

Throws:

java.io.IOException

writeNonNullValue

protected abstract void writeNonNullValue(java.lang.Object value,
                                          ByteUtil.ByteStream bout)
                                   throws java.io.IOException

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object