org.dmd.util

Class DmcInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

java.io.DataInputStream

org.dmd.util.DmcInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable, DmcInputStreamIF

public class DmcInputStream
extends DataInputStream
implements DmcInputStreamIF

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
DmcInputStream(InputStream is, SchemaManager sm)

Method Summary

Modifier and Type	Method and Description
DmcAttribute<?>	getAttributeInstance() Returns an instance of the appropriate DmcAttribute based on reading an attribute ID from the input stream.
DmcAttribute<?>	getAttributeInstance(DmcAttributeInfo ai) Returns an instance of the appropriate DmcAttribute based on the attribute info.
DmcAttribute<?>	getAttributeInstance(Integer id) Returns an instance of the appropriate DmcAttribute based on the attribute ID.
DmcObject	getDMOInstance(DmcInputStreamIF dis)
DmcFilter	getFilterValueInstance() Returns an instance of the appropriate container for a filter value.
DmcObjectName	getNameValueInstance() Returns an instance of the appropriate container for a name value.
int	readAttributeCount()
int	readAttributeID()
int	readBytes(byte[] b)
int	readValueCount()
void	resolveReferences(DmcTypeNamedObjectREF<?,?> attr) Attempts to resolve the references in the specified attribute.

Methods inherited from class java.io.DataInputStream

read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.dmd.dmc.DmcInputStreamIF

available, readBoolean, readByte, readChar, readDouble, readFloat, readInt, readLong, readShort, readUTF

Constructor Detail

DmcInputStream

public DmcInputStream(InputStream is,
                      SchemaManager sm)

Method Detail

getAttributeInstance

public DmcAttribute<?> getAttributeInstance(DmcAttributeInfo ai)
                                     throws Exception

Description copied from interface: DmcInputStreamIF

Returns an instance of the appropriate DmcAttribute based on the attribute info.

Specified by:

getAttributeInstance in interface DmcInputStreamIF

Parameters:

ai - The attribute info.

Returns:

A DmcAttribute.

Throws:

Exception

getAttributeInstance

public DmcAttribute<?> getAttributeInstance(Integer id)
                                     throws Exception

Description copied from interface: DmcInputStreamIF

Returns an instance of the appropriate DmcAttribute based on the attribute ID.

Specified by:

getAttributeInstance in interface DmcInputStreamIF

Parameters:

id - The attribute ID.

Returns:

an attribute container.

Throws:

Exception

resolveReferences

public void resolveReferences(DmcTypeNamedObjectREF<?,?> attr)
                       throws Exception

Description copied from interface: DmcInputStreamIF

Attempts to resolve the references in the specified attribute. If the attribute isn't an object reference, nothing happens.

Specified by:

resolveReferences in interface DmcInputStreamIF

Parameters:

attr - The object reference attribute to be resolved.

Throws:

Exception

readAttributeCount

public int readAttributeCount()
                       throws Exception

Specified by:

readAttributeCount in interface DmcInputStreamIF

Throws:

Exception

readAttributeID

public int readAttributeID()
                    throws Exception

Specified by:

readAttributeID in interface DmcInputStreamIF

Throws:

Exception

readValueCount

public int readValueCount()
                   throws Exception

Specified by:

readValueCount in interface DmcInputStreamIF

Throws:

Exception

getAttributeInstance

public DmcAttribute<?> getAttributeInstance()
                                     throws Exception

Description copied from interface: DmcInputStreamIF

Returns an instance of the appropriate DmcAttribute based on reading an attribute ID from the input stream.

Specified by:

getAttributeInstance in interface DmcInputStreamIF

Returns:

An attribute of the correct type.

Throws:

Exception

getNameValueInstance

public DmcObjectName getNameValueInstance()
                                   throws Exception

Description copied from interface: DmcInputStreamIF

Returns an instance of the appropriate container for a name value.

Specified by:

getNameValueInstance in interface DmcInputStreamIF

Returns:

a name.

Throws:

Exception

getFilterValueInstance

public DmcFilter getFilterValueInstance()
                                 throws Exception

Description copied from interface: DmcInputStreamIF

Returns an instance of the appropriate container for a filter value.

Specified by:

getFilterValueInstance in interface DmcInputStreamIF

Returns:

a filter.

Throws:

Exception

getDMOInstance

public DmcObject getDMOInstance(DmcInputStreamIF dis)
                         throws Exception

Specified by:

getDMOInstance in interface DmcInputStreamIF

Parameters:

dis - the input stream.

Returns:

an object from the input stream.

Throws:

Exception

readBytes

public int readBytes(byte[] b)
              throws Exception

Specified by:

readBytes in interface DmcInputStreamIF

Throws:

Exception