weave.config.tables

Class MetadataTable

java.lang.Object

weave.config.tables.AbstractTable

weave.config.tables.MetadataTable

public class MetadataTable
extends AbstractTable

Author:

Philip Kovac, Andy Dufilie

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	FIELD_ID
static java.lang.String	FIELD_NAME
static java.lang.String	FIELD_VALUE

Fields inherited from class weave.config.tables.AbstractTable

bulkLoader, connectionConfig, fieldNames, schemaName, tableName

Constructor Summary

Constructors

Constructor and Description
MetadataTable(ConnectionConfig connectionConfig, java.lang.String schemaName, java.lang.String tableName, java.lang.String requiredMetadataName)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Set<java.lang.Integer>	filter(java.util.Map<java.lang.String,java.lang.String> constraints, java.util.Set<java.lang.String> wildcardFields) Finds IDs of entities having metadata matching a set of constraints.
java.util.Map<java.lang.Integer,java.util.Map<java.lang.String,java.lang.String>>	getProperties(java.util.Collection<java.lang.Integer> ids)
java.lang.String	getProperty(int id, java.lang.String property) Shortcut for getPropertyMap(Collections.singleton(id), property).get(id)
java.util.Map<java.lang.Integer,java.lang.String>	getPropertyMap(java.util.Collection<java.lang.Integer> ids, java.lang.String property)
protected void	initTable()
boolean	isEmpty()
void	removeAllProperties(int id)
int	setProperties(int id, java.util.Map<java.lang.String,java.lang.String> diff)

Methods inherited from class weave.config.tables.AbstractTable

addForeignKey, flushInserts, insertRecord, tableExists

Methods inherited from class java.lang.Object

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

Field Detail

FIELD_ID

public static final java.lang.String FIELD_ID

See Also:

Constant Field Values

FIELD_NAME

public static final java.lang.String FIELD_NAME

See Also:

Constant Field Values

FIELD_VALUE

public static final java.lang.String FIELD_VALUE

See Also:

Constant Field Values

Constructor Detail

MetadataTable

public MetadataTable(ConnectionConfig connectionConfig,
             java.lang.String schemaName,
             java.lang.String tableName,
             java.lang.String requiredMetadataName)
              throws java.rmi.RemoteException

Parameters:

connectionConfig -

schemaName -

tableName -

requiredMetadataName - The name of a metadata field that is required for entities.

Throws:

java.rmi.RemoteException

Method Detail

initTable

protected void initTable()
                  throws java.rmi.RemoteException

Throws:

java.rmi.RemoteException

setProperties

public int setProperties(int id,
                java.util.Map<java.lang.String,java.lang.String> diff)
                  throws java.rmi.RemoteException

Parameters:

id - Either the id of an existing entity or -1 to create a new one.

diff - The properties to set.

Returns:

The id that was specified, or the id of a new entity if id was specified as DataConfig.NULL.

Throws:

java.rmi.RemoteException

removeAllProperties

public void removeAllProperties(int id)
                         throws java.rmi.RemoteException

Throws:

java.rmi.RemoteException

getProperty

public java.lang.String getProperty(int id,
                           java.lang.String property)
                             throws java.rmi.RemoteException

Shortcut for getPropertyMap(Collections.singleton(id), property).get(id)

Throws:

java.rmi.RemoteException

getPropertyMap

public java.util.Map<java.lang.Integer,java.lang.String> getPropertyMap(java.util.Collection<java.lang.Integer> ids,
                                                               java.lang.String property)
                                                                 throws java.rmi.RemoteException

Throws:

java.rmi.RemoteException

getProperties

public java.util.Map<java.lang.Integer,java.util.Map<java.lang.String,java.lang.String>> getProperties(java.util.Collection<java.lang.Integer> ids)
                                                                                                throws java.rmi.RemoteException

Throws:

java.rmi.RemoteException

filter

public java.util.Set<java.lang.Integer> filter(java.util.Map<java.lang.String,java.lang.String> constraints,
                                      java.util.Set<java.lang.String> wildcardFields)
                                        throws java.rmi.RemoteException

Finds IDs of entities having metadata matching a set of constraints.

Parameters:

constraints - Name-value pairs to be used as search criteria.

wildcardFields - A set of property names which should be searched using wildcards * and ?.

Returns:

A set of entity IDs.

Throws:

java.rmi.RemoteException

isEmpty

public boolean isEmpty()
                throws java.rmi.RemoteException

Throws:

java.rmi.RemoteException