Removed support for old type.properties db mapping.

This commit is contained in:
hns 2002-05-31 13:57:09 +00:00
parent fae1c98f1c
commit e7a17d20ab
2 changed files with 25 additions and 265 deletions

View file

@ -26,7 +26,7 @@ public class DbMapping implements Updatable {
// prototype name of this mapping
String typename;
int version;
// int version;
// properties from where the mapping is read
SystemProperties props;
@ -135,13 +135,13 @@ public class DbMapping implements Updatable {
public synchronized void update () {
// determin file format version of type.properties file
String versionInfo = props.getProperty ("_version");
/* String versionInfo = props.getProperty ("_version");
if ("1.2".equals (versionInfo))
version = 1;
else
version = 0;
version = 0; */
table = props.getProperty (version == 0 ? "_tablename" : "_table");
table = props.getProperty ("_table");
idgen = props.getProperty ("_idgen");
// see if there is a field which specifies the prototype of objects, if different prototypes
// can be stored in this table
@ -149,7 +149,7 @@ public class DbMapping implements Updatable {
// see if this prototype extends (inherits from) any other prototype
extendsProto = props.getProperty ("_extends");
sourceName = props.getProperty (version == 0 ? "_datasource" : "_db");
sourceName = props.getProperty ("_db");
if (sourceName != null) {
source = app.getDbSource (sourceName);
if (source == null) {
@ -207,7 +207,7 @@ public class DbMapping implements Updatable {
Relation rel = propertyToRelation (propName);
if (rel == null)
rel = new Relation (dbField, propName, this, props);
rel.update (dbField, props, version);
rel.update (dbField, props);
p2d.put (propName, rel);
if (rel.columnName != null &&
(rel.reftype == Relation.PRIMITIVE ||
@ -223,60 +223,21 @@ public class DbMapping implements Updatable {
prop2db = p2d;
db2prop = d2p;
if (version == 1) {
String subnodeMapping = props.getProperty ("_children");
if (subnodeMapping != null) {
try {
// check if subnode relation already exists. If so, reuse it
if (subnodesRel == null)
subnodesRel = new Relation (subnodeMapping, "_children", this, props);
subnodesRel.update (subnodeMapping, props, version);
if (subnodesRel.accessor != null)
propertiesRel = subnodesRel;
} catch (Exception x) {
app.logEvent ("Error reading _subnodes relation for "+typename+": "+x.getMessage ());
// subnodesRel = null;
}
} else
subnodesRel = null;
String subnodeMapping = props.getProperty ("_children");
if (subnodeMapping != null) {
try {
// check if subnode relation already exists. If so, reuse it
if (subnodesRel == null)
subnodesRel = new Relation (subnodeMapping, "_children", this, props);
subnodesRel.update (subnodeMapping, props);
if (subnodesRel.accessor != null)
propertiesRel = subnodesRel;
} catch (Exception x) {
app.logEvent ("Error reading _subnodes relation for "+typename+": "+x.getMessage ());
// subnodesRel = null;
}
} else {
String subnodeMapping = props.getProperty ("_subnodes");
if (subnodeMapping != null) {
try {
// check if subnode relation already exists. If so, reuse it
if (subnodesRel == null)
subnodesRel = new Relation (subnodeMapping, "_subnodes", this, props);
subnodesRel.update (subnodeMapping, props, version);
} catch (Exception x) {
app.logEvent ("Error reading _subnodes relation for "+typename+": "+x.getMessage ());
// subnodesRel = null;
}
} else
subnodesRel = null;
String propertiesMapping = props.getProperty ("_properties");
if (propertiesMapping != null) {
try {
// check if property relation already exists. If so, reuse it
if (propertiesRel == null)
propertiesRel = new Relation (propertiesMapping, "_properties", this, props);
propertiesRel.update (propertiesMapping, props, version);
// take over groupby flag from subnodes, if properties are subnodes
if (propertiesRel.subnodesAreProperties && subnodesRel != null) {
propertiesRel.groupby = subnodesRel.groupby;
propertiesRel.constraints = subnodesRel.constraints;
propertiesRel.filter = subnodesRel.filter;
}
} catch (Exception x) {
app.logEvent ("Error reading _properties relation for "+typename+": "+x.getMessage ());
// propertiesRel = null;
}
} else
propertiesRel = null;
subnodesRel = propertiesRel = null;
}
if (groupbyMapping != null) {

View file

@ -89,213 +89,12 @@ public class Relation {
otherType = null;
}
public void update (String desc, Properties props, int version) {
if (version == 0)
update_v0 (desc, props);
else if (version == 1)
update_v1 (desc, props);
}
////////////////////////////////////////////////////////////////////////////////////////////
// parse methods for file format v0
// parse methods for new file format
////////////////////////////////////////////////////////////////////////////////////////////
private void update_v0 (String desc, Properties props) {
boolean mountpoint = false;
Vector cnst = null;
if (desc == null || "".equals (desc.trim ())) {
if (propName != null) {
reftype = PRIMITIVE;
columnName = propName;
} else {
reftype = INVALID;
columnName = propName;
}
} else {
desc = desc.trim ();
String descLower = desc.toLowerCase ();
if (descLower.startsWith ("[virtual]")) {
desc = desc.substring (9).trim ();
virtual = true;
} else if (descLower.startsWith ("[collection]")) {
desc = desc.substring (12).trim ();
virtual = true;
} else if (descLower.startsWith ("[mountpoint]")) {
desc = desc.substring (12).trim ();
virtual = true;
mountpoint = true;
} else {
virtual = false;
}
if (descLower.startsWith ("[readonly]")) {
desc = desc.substring (10).trim ();
readonly = true;
} else {
readonly = false;
}
}
// parse the basic properties of this mapping
parseMapping_v0 (desc, mountpoint);
// the following options only apply to object relations
if (reftype != PRIMITIVE && reftype != INVALID) {
cnst = new Vector ();
Constraint c = parseConstraint_v0 (desc);
if (c != null)
cnst.add (c);
parseOptions_v0 (cnst, props);
constraints = new Constraint[cnst.size()];
cnst.copyInto (constraints);
}
}
/**
* Parse a line describing a mapping of a property field. If the mapping is a
* object reference of a collection of objects, put any constraints in the Vector.
*/
protected void parseMapping_v0 (String desc, boolean mountpoint) {
Application app = ownType.getApplication ();
if (desc.indexOf ("<") > -1) {
reftype = COLLECTION;
int lt = desc.indexOf ("<");
int dot = desc.indexOf (".");
String other = dot < 0 ? desc.substring (lt+1).trim () : desc.substring (lt+1, dot).trim ();
otherType = app.getDbMapping (other);
if (otherType == null)
throw new RuntimeException ("DbMapping for "+other+" not found from "+ownType.typename);
columnName = null;
if (mountpoint)
prototype = other;
} else if (desc.indexOf (">") > -1) {
reftype = REFERENCE;
int bt = desc.indexOf (">");
int dot = desc.indexOf (".");
String other = dot > -1 ? desc.substring (bt+1, dot).trim () : desc.substring (bt+1).trim ();
otherType = app.getDbMapping (other);
if (otherType == null)
throw new RuntimeException ("DbMapping for "+other+" not found from "+ownType.typename);
columnName = desc.substring (0, bt).trim ();
if (mountpoint)
prototype = other;
} else if (desc.indexOf (".") > -1) {
reftype = COLLECTION;
int dot = desc.indexOf (".");
String other = desc.substring (0, dot).trim ();
otherType = app.getDbMapping (other);
if (otherType == null)
throw new RuntimeException ("DbMapping for "+other+" not found from "+ownType.typename);
columnName = null;
// set accessor
accessor = desc.substring (dot+1).trim ();
if (mountpoint)
prototype = other;
} else {
if (virtual) {
reftype = COLLECTION;
otherType = app.getDbMapping (desc);
if (otherType == null)
throw new RuntimeException ("DbMapping for "+desc+" not found from "+ownType.typename);
if (mountpoint)
prototype = desc;
} else {
reftype = PRIMITIVE;
columnName = desc.trim ();
}
}
}
/**
* Parse a line describing a mapping of a property field. If the mapping is a
* object reference of a collection of objects, put any constraints in the Vector.
*/
protected Constraint parseConstraint_v0 (String desc) {
if (desc.indexOf ("<") > -1) {
int lt = desc.indexOf ("<");
int dot = desc.indexOf (".");
String remoteField = dot < 0 ? null : desc.substring (dot+1).trim ();
String localField = lt <= 0 ? null : desc.substring (0, lt).trim ();
return new Constraint (localField, otherType.getTableName (), remoteField, false);
} else if (desc.indexOf (">") > -1) {
int bt = desc.indexOf (">");
int dot = desc.indexOf (".");
String localField = desc.substring (0, bt).trim ();
String remoteField = dot < 0 ? null : desc.substring (dot+1).trim ();
return new Constraint (localField, otherType.getTableName (), remoteField, false);
}
return null;
}
protected void parseOptions_v0 (Vector cnst, Properties props) {
String loading = props.getProperty (propName+".loadmode");
aggressiveLoading = loading != null && "aggressive".equalsIgnoreCase (loading.trim());
String caching = props.getProperty (propName+".cachemode");
aggressiveCaching = caching != null && "aggressive".equalsIgnoreCase (caching.trim());
// get order property
order = props.getProperty (propName+".order");
if (order != null && order.trim().length() == 0)
order = null;
// get additional filter property
filter = props.getProperty (propName+".filter");
if (filter != null && filter.trim().length() == 0)
filter = null;
// get max size of collection
String max = props.getProperty (propName+".maxSize");
if (max != null) try {
maxSize = Integer.parseInt (max);
} catch (NumberFormatException nfe) {
maxSize = 0;
}
// get group by property
groupby = props.getProperty (propName+".groupby");
if (groupby != null && groupby.trim().length() == 0)
groupby = null;
if (groupby != null) {
groupbyorder = props.getProperty (propName+".groupby.order");
if (groupbyorder != null && groupbyorder.trim().length() == 0)
groupbyorder = null;
groupbyprototype = props.getProperty (propName+".groupby.prototype");
if (groupbyprototype != null && groupbyprototype.trim().length() == 0)
groupbyprototype = null;
// aggressive loading and caching is not supported for groupby-nodes
aggressiveLoading = aggressiveCaching = false;
}
// check if subnode condition should be applied for property relations
if ("_properties".equalsIgnoreCase (propName) || virtual) {
String subnodes2props = props.getProperty (propName+".aresubnodes");
subnodesAreProperties = "true".equalsIgnoreCase (subnodes2props);
if (virtual) {
String subnodefilter = props.getProperty (propName+".subnoderelation");
if (subnodefilter != null) {
Constraint c = parseConstraint_v0 (subnodefilter);
if (c != null) {
cnst.add (c);
}
}
}
// update virtual mapping, if it already exists
if (virtualMapping != null) {
virtualMapping.subnodesRel = getVirtualSubnodeRelation ();
virtualMapping.propertiesRel = getVirtualPropertyRelation ();
virtualMapping.lastTypeChange = ownType.lastTypeChange;
}
}
}
////////////////////////////////////////////////////////////////////////////////////////////
// parse methods for file format v1
////////////////////////////////////////////////////////////////////////////////////////////
private void update_v1 (String desc, Properties props) {
public void update (String desc, Properties props) {
Application app = ownType.getApplication ();
if (desc == null || "".equals (desc.trim ())) {
if (propName != null) {
@ -344,7 +143,7 @@ public class Relation {
if (reftype != PRIMITIVE && reftype != INVALID) {
Vector newConstraints = new Vector ();
parseOptions_v1 (newConstraints, props);
parseOptions (newConstraints, props);
constraints = new Constraint[newConstraints.size()];
newConstraints.copyInto (constraints);
@ -352,7 +151,7 @@ public class Relation {
}
protected void parseOptions_v1 (Vector cnst, Properties props) {
protected void parseOptions (Vector cnst, Properties props) {
String loading = props.getProperty (propName+".loadmode");
aggressiveLoading = loading != null && "aggressive".equalsIgnoreCase (loading.trim());
String caching = props.getProperty (propName+".cachemode");