antville/helma
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new feature: maxSize to specify maxamal size of a collection.

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hns 2001-08-22 14:43:48 +00:00
parent 1912cdc6ea
commit 9f3fae9b2f
1 changed files with 27 additions and 18 deletions
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45
src/helma/objectmodel/db/Relation.java
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@ -30,9 +30,9 @@ public class Relation {
// public final static int DIRECT = 3; // public final static int DIRECT = 3;
// the DbMapping of the type we come from // the DbMapping of the type we come from
public DbMapping ownType; DbMapping ownType;
// the DbMapping of the prototype we link to, unless this is a "primitive" (non-object) relation // the DbMapping of the prototype we link to, unless this is a "primitive" (non-object) relation
public DbMapping otherType; DbMapping otherType;
// if this relation defines a virtual node, we need to provide a DbMapping for these virtual nodes // if this relation defines a virtual node, we need to provide a DbMapping for these virtual nodes
DbMapping virtualMapping; DbMapping virtualMapping;
@ -40,25 +40,26 @@ public class Relation {
Relation virtualRelation; Relation virtualRelation;
Relation groupRelation; Relation groupRelation;
public String propName; String propName;
protected String columnName; String columnName;
public int reftype; int reftype;
public Constraint[] constraints; Constraint[] constraints;
public boolean virtual; boolean virtual;
public boolean readonly; boolean readonly;
public boolean aggressiveLoading; boolean aggressiveLoading;
public boolean aggressiveCaching; boolean aggressiveCaching;
public boolean subnodesAreProperties; boolean subnodesAreProperties;
public String accessor; // db column used to access objects through this relation String accessor; // db column used to access objects through this relation
public String order; String order;
public String groupbyorder; String groupbyorder;
public String groupby; String groupby;
public String prototype; String prototype;
public String groupbyprototype; String groupbyprototype;
public String filter; String filter;
int maxSize = 0;
// Relation subnoderelation = null; // additional relation used to filter subnodes for virtual nodes // Relation subnoderelation = null; // additional relation used to filter subnodes for virtual nodes
@ -74,6 +75,7 @@ public class Relation {
this.reftype = rel.reftype; this.reftype = rel.reftype;
this.constraints = rel.constraints; this.constraints = rel.constraints;
this.accessor = rel.accessor; this.accessor = rel.accessor;
this.maxSize = rel.maxSize;
this.subnodesAreProperties = rel.subnodesAreProperties; this.subnodesAreProperties = rel.subnodesAreProperties;
} }
@ -241,6 +243,13 @@ public class Relation {
filter = props.getProperty (propName+".filter"); filter = props.getProperty (propName+".filter");
if (filter != null && filter.trim().length() == 0) if (filter != null && filter.trim().length() == 0)
filter = null; 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 // get group by property
groupby = props.getProperty (propName+".groupby"); groupby = props.getProperty (propName+".groupby");
if (groupby != null && groupby.trim().length() == 0) if (groupby != null && groupby.trim().length() == 0)