DSpace refactored service api

This commit is contained in:
KevinVdV
2014-11-08 09:19:09 +01:00
parent fcb3717aad
commit 54222f3c1d
1145 changed files with 52233 additions and 57064 deletions

View File

@@ -7,22 +7,14 @@
*/
package org.dspace.content;
import java.io.IOException;
import java.sql.SQLException;
import java.util.*;
import org.hibernate.proxy.HibernateProxyHelper;
import org.apache.log4j.Logger;
import org.dspace.authorize.AuthorizeException;
import org.dspace.core.Context;
import org.dspace.core.LogManager;
import org.dspace.storage.rdbms.DatabaseManager;
import org.dspace.storage.rdbms.TableRow;
import org.dspace.storage.rdbms.TableRowIterator;
import javax.persistence.*;
/**
* Database access class representing a Dublin Core metadata value.
* It represents a value of a given <code>MetadataField</code> on an Item.
* (The Item can have many values of the same field.) It contains element, qualifier, value and language.
* (The Item can have many values of the same field.) It contains element, qualifier, value and language.
* the field (which names the schema, element, and qualifier), language,
* and a value.
*
@@ -30,134 +22,80 @@ import org.dspace.storage.rdbms.TableRowIterator;
* @see org.dspace.content.MetadataSchema
* @see org.dspace.content.MetadataField
*/
@Entity
@Table(name="metadatavalue", schema = "public")
public class MetadataValue
{
/** The reference to the metadata field */
private int fieldId = 0;
@Id
@Column(name="metadata_value_id")
@GeneratedValue(strategy = GenerationType.SEQUENCE ,generator="metadatavalue_seq")
@SequenceGenerator(name="metadatavalue_seq", sequenceName="metadatavalue_seq", allocationSize = 1)
private int valueId;
/** The primary key for the metadata value */
private int valueId = 0;
/** The reference to the DSpace resource */
private int resourceId;
/** The reference to the DSpace resource type*/
private int resourceTypeId;
@ManyToOne
@JoinColumn(name = "metadata_field_id")
private MetadataField metadataField = null;
/** The value of the field */
public String value;
// @Column(name = "text_value")
// @Lob
// @Type(type = "org.hibernate.type.TextType")
@Column(name="text_value", columnDefinition = "text")
private String value;
/** The language of the field, may be <code>null</code> */
public String language;
@Column(name = "text_lang", length = 24)
private String language;
/** The position of the record. */
public int place = 1;
@Column(name = "place")
private int place = 1;
/** Authority key, if any */
public String authority = null;
@Column(name = "authority", length = 100)
private String authority = null;
/** Authority confidence value -- see Choices class for values */
public int confidence = 0;
@Column(name = "confidence")
private int confidence = -1;
/** log4j logger */
private static Logger log = Logger.getLogger(MetadataValue.class);
@ManyToOne(fetch = FetchType.EAGER, cascade={CascadeType.PERSIST})
@JoinColumn(name="dspace_object_id")
protected DSpaceObject dSpaceObject;
/** The row in the table representing this type */
private TableRow row;
/**
* Construct the metadata object from the matching database row.
*
* @param row database row to use for contents
*/
public MetadataValue(TableRow row)
{
if (row != null)
{
fieldId = row.getIntColumn("metadata_field_id");
valueId = row.getIntColumn("metadata_value_id");
resourceId = row.getIntColumn("resource_id");
resourceTypeId = row.getIntColumn("resource_type_id");
value = row.getStringColumn("text_value");
language = row.getStringColumn("text_lang");
place = row.getIntColumn("place");
authority = row.getStringColumn("authority");
confidence = row.getIntColumn("confidence");
this.row = row;
}
}
/**
* Default constructor.
*/
public MetadataValue()
{
}
/**
* Constructor to create a value for a given field.
*
* @param field initial value for field
*/
public MetadataValue(MetadataField field)
{
this.fieldId = field.getFieldID();
protected MetadataValue() {
}
/**
* Get the field ID the metadata value represents.
*
* @return metadata field ID
* @return metadata value ID
*/
public int getFieldId()
public int getValueId()
{
return fieldId;
return valueId;
}
/**
* Set the field ID that the metadata value represents.
* Get the dspaceObject
*
* @param fieldId new field ID
* @return dspaceObject
*/
public void setFieldId(int fieldId)
public DSpaceObject getDSpaceObject()
{
this.fieldId = fieldId;
return dSpaceObject;
}
/**
* Get the resource type ID.
* Set the dspaceObject ID.
*
* @return resource type ID
* @param dso new dspaceObject ID
*/
public int getResourceTypeId() {
return resourceTypeId;
}
/**
* Set the resource type ID.
*
* @param resourceTypeId new resource type ID
*/
public void setResourceTypeId(int resourceTypeId) {
this.resourceTypeId = resourceTypeId;
}
/**
* Get the resource id
*
* @return resource ID
*/
public int getResourceId() {
return resourceId;
}
/**
* Set the resource type ID.
*
* @param resourceId new resource ID
*/
public void setResourceId(int resourceId) {
this.resourceId = resourceId;
public void setDSpaceObject(DSpaceObject dso)
{
this.dSpaceObject = dso;
}
/**
@@ -200,14 +138,12 @@ public class MetadataValue
this.place = place;
}
/**
* Get the value ID.
*
* @return value ID
*/
public int getValueId()
{
return valueId;
public MetadataField getMetadataField() {
return metadataField;
}
public void setMetadataField(MetadataField metadataField) {
this.metadataField = metadataField;
}
/**
@@ -270,156 +206,6 @@ public class MetadataValue
this.confidence = value;
}
/**
* Creates a new metadata value.
*
* @param context
* DSpace context object
* @throws SQLException
* @throws AuthorizeException
*/
public void create(Context context) throws SQLException, AuthorizeException
{
// Create a table row and update it with the values
row = DatabaseManager.row("MetadataValue");
row.setColumn("resource_id", resourceId);
row.setColumn("resource_type_id", resourceTypeId);
row.setColumn("metadata_field_id", fieldId);
row.setColumn("text_value", value);
row.setColumn("text_lang", language);
row.setColumn("place", place);
row.setColumn("authority", authority);
row.setColumn("confidence", confidence);
DatabaseManager.insert(context, row);
// Remember the new row number
this.valueId = row.getIntColumn("metadata_value_id");
// log.info(LogManager.getHeader(context, "create_metadata_value",
// "metadata_value_id=" + valueId));
}
/**
* Retrieves the metadata value from the database.
*
* @param context dspace context
* @param valueId database key id of value
* @return recalled metadata value
* @throws IOException
* @throws SQLException
* @throws AuthorizeException
*/
public static MetadataValue find(Context context, int valueId)
throws IOException, SQLException, AuthorizeException
{
// Grab rows from DB
TableRowIterator tri = DatabaseManager.queryTable(context, "MetadataValue",
"SELECT * FROM MetadataValue where metadata_value_id= ? ",
valueId);
TableRow row = null;
try
{
if (tri.hasNext())
{
row = tri.next();
}
}
finally
{
// close the TableRowIterator to free up resources
if (tri != null)
{
tri.close();
}
}
if (row == null)
{
return null;
}
else
{
return new MetadataValue(row);
}
}
/**
* Retrieves the metadata values for a given field from the database.
*
* @param context dspace context
* @param fieldId field whose values to look for
* @return a collection of metadata values
* @throws IOException
* @throws SQLException
* @throws AuthorizeException
*/
public static List<MetadataValue> findByField(Context context, int fieldId)
throws IOException, SQLException, AuthorizeException
{
// Grab rows from DB
TableRowIterator tri = DatabaseManager.queryTable(context, "MetadataValue",
"SELECT * FROM MetadataValue WHERE metadata_field_id= ? ",
fieldId);
TableRow row = null;
List<MetadataValue> ret = new ArrayList<MetadataValue>();
try
{
while (tri.hasNext())
{
row = tri.next();
ret.add(new MetadataValue(row));
}
}
finally
{
// close the TableRowIterator to free up resources
if (tri != null)
{
tri.close();
}
}
return ret;
}
/**
* Update the metadata value in the database.
*
* @param context dspace context
* @throws SQLException
* @throws AuthorizeException
*/
public void update(Context context) throws SQLException, AuthorizeException
{
row.setColumn("resource_id", resourceId);
row.setColumn("resource_type_id", resourceTypeId);
row.setColumn("metadata_field_id", fieldId);
row.setColumn("text_value", value);
row.setColumn("text_lang", language);
row.setColumn("place", place);
row.setColumn("authority", authority);
row.setColumn("confidence", confidence);
DatabaseManager.update(context, row);
log.info(LogManager.getHeader(context, "update_metadatavalue",
"metadata_value_id=" + getValueId()));
}
/**
* Delete the metadata field.
*
* @param context dspace context
* @throws SQLException
* @throws AuthorizeException
*/
public void delete(Context context) throws SQLException, AuthorizeException
{
log.info(LogManager.getHeader(context, "delete_metadata_value",
" metadata_value_id=" + getValueId()));
DatabaseManager.delete(context, row);
}
/**
* Return <code>true</code> if <code>other</code> is the same MetadataValue
@@ -438,24 +224,21 @@ public class MetadataValue
{
return false;
}
if (getClass() != obj.getClass())
Class<?> objClass = HibernateProxyHelper.getClassWithoutInitializingProxy(obj);
if (getClass() != objClass)
{
return false;
}
final MetadataValue other = (MetadataValue) obj;
if (this.fieldId != other.fieldId)
{
return false;
}
if (this.valueId != other.valueId)
{
return false;
}
if (this.resourceId != other.resourceId)
if (this.getValueId() != other.getValueId())
{
return false;
}
if (this.resourceTypeId != other.resourceTypeId)
if (this.getDSpaceObject().getID() != other.getDSpaceObject().getID())
{
return false;
}
@@ -466,10 +249,11 @@ public class MetadataValue
public int hashCode()
{
int hash = 7;
hash = 47 * hash + this.fieldId;
hash = 47 * hash + this.valueId;
hash = 47 * hash + this.resourceId;
hash = 47 * hash + this.resourceTypeId;
hash = 47 * hash + this.getValueId();
hash = 47 * hash + this.getDSpaceObject().getID().hashCode();
return hash;
}
}
}