--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2010 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.accessor.interestset;
+
+import org.simantics.databoard.annotations.Union;\r
+import org.simantics.databoard.type.ArrayType;\r
+import org.simantics.databoard.type.BooleanType;\r
+import org.simantics.databoard.type.ByteType;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.databoard.type.DoubleType;\r
+import org.simantics.databoard.type.FloatType;\r
+import org.simantics.databoard.type.IntegerType;\r
+import org.simantics.databoard.type.LongType;\r
+import org.simantics.databoard.type.MapType;\r
+import org.simantics.databoard.type.OptionalType;\r
+import org.simantics.databoard.type.RecordType;\r
+import org.simantics.databoard.type.StringType;\r
+import org.simantics.databoard.type.UnionType;\r
+import org.simantics.databoard.type.VariantType;\r
+
+/**
+ * InterestSet is a description about what is monitored in a data model.\r
+ *
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+@Union({BooleanInterestSet.class,
+ ByteInterestSet.class,
+ IntegerInterestSet.class,
+ LongInterestSet.class,
+ FloatInterestSet.class,
+ DoubleInterestSet.class,
+ StringInterestSet.class,
+ RecordInterestSet.class,
+ ArrayInterestSet.class,
+ MapInterestSet.class,
+ OptionalInterestSet.class,
+ UnionInterestSet.class,
+ VariantInterestSet.class
+ })
+public abstract class InterestSet {
+\r
+// private static final String[] EMPTY_ARRAY = new String[0]; \r
+ \r
+ /**
+ * Returns true, if interested in notifications of modifications, this question excludes\r
+ * an interest to the values.
+ *
+ * @return true if interested in notifications
+ */
+ public abstract boolean inNotifications();
+
+ /**
+ * Returns true, if interested in notifications of changes and the new values.
+ *
+ * @return true if interested in notifications and value
+ */
+ public abstract boolean inValues();
+
+
+ /**
+ * Create a new interest set
+ *
+ * @param type the type to create interest set for
+ * @param notification interested in notification of changes, not the values
+ * @param value interested in values (includes notification)
+ * @param recursive interested in values recursivelu (includes notification)
+ */
+ public static InterestSet newInterestSet(Datatype type, boolean notification, boolean value, boolean recursive) {
+
+ if (type instanceof BooleanType) {
+ if (recursive) return BooleanInterestSet.MONITOR_EVERYTHING;
+ return new BooleanInterestSet(notification, value);
+ }
+
+ if (type instanceof ByteType) {
+ if (recursive) return ByteInterestSet.MONITOR_EVERYTHING;
+ return new ByteInterestSet(notification, value);
+ }
+
+ if (type instanceof IntegerType) {
+ if (recursive) return IntegerInterestSet.MONITOR_EVERYTHING;
+ return new IntegerInterestSet(notification, value);
+ }
+
+ if (type instanceof LongType) {
+ if (recursive) return LongInterestSet.MONITOR_EVERYTHING;
+ return new LongInterestSet(notification, value);
+ }
+
+ if (type instanceof FloatType) {
+ if (recursive) return FloatInterestSet.MONITOR_EVERYTHING;
+ return new FloatInterestSet(notification, value);
+ }
+
+ if (type instanceof DoubleType) {
+ if (recursive) return DoubleInterestSet.MONITOR_EVERYTHING;
+ return new DoubleInterestSet(notification, value);
+ }
+
+ if (type instanceof StringType) {
+ if (recursive) return StringInterestSet.MONITOR_EVERYTHING;
+ return new StringInterestSet(notification, value);
+ }
+
+ if (type instanceof OptionalType) {
+ OptionalType ot = (OptionalType) type;
+ InterestSet cis = recursive ? newInterestSet(ot.getComponentType(), notification, value, true) : null;
+ return new OptionalInterestSet(notification, value, cis );
+ }
+
+ if (type instanceof RecordType) {
+ if (!recursive) {
+ return new RecordInterestSet(notification, null, value, null, null);
+ }
+ RecordType rt = (RecordType) type;
+ InterestSet[] componentInterests = new InterestSet[rt.getComponentCount()];
+ for (int i=0; i<componentInterests.length; i++) {
+ componentInterests[i] = newInterestSet( rt.getComponentType(i), notification, value, true );
+ }
+ return new RecordInterestSet(true, null, true, null, componentInterests);
+ }
+
+ if (type instanceof UnionType) {
+ if (!recursive) {
+ return new UnionInterestSet(notification, value, null);
+ }
+
+ UnionType ut = (UnionType) type;
+ InterestSet[] componentInterests = new InterestSet[ut.getComponentCount()];
+ for (int i=0; i<componentInterests.length; i++) {
+ componentInterests[i] = newInterestSet( ut.getComponent(i).type, notification, value, true );
+ }
+ return new UnionInterestSet(notification, value, componentInterests);
+ }
+
+ if (type instanceof ArrayType) {
+ ArrayType at = (ArrayType) type;
+ InterestSet cis = recursive ? newInterestSet( at.componentType(), notification, value, true ) : null;
+ return new ArrayInterestSet(notification, null, value, null, cis, null);
+ }
+
+ if (type instanceof MapType) {
+ MapType mt = (MapType) type;
+ InterestSet cis = recursive ? newInterestSet( mt.valueType, notification, value, true ) : null;
+ return new MapInterestSet(notification, null, value, null, cis, null);
+ }
+
+ if (type instanceof VariantType) {
+ return new VariantInterestSet(notification, value, null, recursive);
+ }
+
+ throw new IllegalArgumentException(type.toSingleLineString());
+ }\r
+\r
+// public String[] getCustomEvents() {\r
+// return customEvents;\r
+// }\r
+\r
+// public void setCustomEvents(String[] customEvents) {\r
+// this.customEvents = customEvents;\r
+// }\r
+ /** A list of custom event types of interest */\r
+// public String[] customEvents = EMPTY_ARRAY;\r
+ \r
+
+}
+
Code Review / simantics / platform.git / blobdiff