import java.util.Map;
import java.util.Stack;
+import org.eclipse.core.runtime.IProgressMonitor;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
+import org.simantics.db.Session;
import org.simantics.db.Statement;
+import org.simantics.db.VirtualGraph;
import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.request.WriteRequest;
import org.simantics.db.exception.DatabaseException;
import org.simantics.interop.test.GraphChanges;
public abstract class UpdateOperations {
private List<UpdateOp> operations = new ArrayList<UpdateOp>();
- private Map<Resource, UpdateOp> opMap = new HashMap<Resource, UpdateOp>();
+ private Map<Resource, UpdateOp> resourceMap = new HashMap<Resource, UpdateOp>();
+ private Map<Statement, UpdateOp> statementMap = new HashMap<Statement, UpdateOp>();
private GraphChanges changes;
+ private int chunkSize = -1;
public UpdateOperations(GraphChanges changes) {
this.changes = changes;
}
public UpdateOp getUpdateOp(Resource r) {
- return opMap.get(r);
+ return resourceMap.get(r);
}
- public void applyAll(WriteGraph g) throws DatabaseException {
+ public UpdateOp getUpdateOp(Statement s) {
+ return statementMap.get(s);
+ }
+
+ public int getChunkSize() {
+ return chunkSize;
+ }
+
+ public void setChunkSize(int chunkSize) {
+ this.chunkSize = chunkSize;
+ }
+
+ /**
+ * Applies all changes.
+ *
+ * @param graph
+ * @throws DatabaseException
+ */
+ public void applyAll(WriteGraph graph) throws DatabaseException {
+ List<UpdateOp> list = operations;
+ apply(graph, list);
+ }
+
+ /**
+ * Applies selected changes.
+ * @param graph
+ * @throws DatabaseException
+ */
+ public void applySelected(WriteGraph graph) throws DatabaseException {
+ List<UpdateOp> list = new ArrayList<UpdateOp>();
for (UpdateOp op : operations) {
- apply(g, op);
+ if (op.selected())
+ list.add(op);
}
+ apply(graph, list);
+ }
+
+ /**
+ * Applies all changes with chunked DB writes.
+ *
+ * @param session
+ * @throws DatabaseException
+ */
+ public void applyAll(Session session, VirtualGraph vg) throws DatabaseException {
+ List<UpdateOp> list = operations;
+ apply(session, list, vg);
}
- public void applySelected(WriteGraph g) throws DatabaseException {
+ /**
+ * Applies selected changes with chunked DB writes.
+ *
+ * @param session
+ * @throws DatabaseException
+ */
+ public void applySelected(Session session, VirtualGraph vg) throws DatabaseException {
+ List<UpdateOp> list = new ArrayList<UpdateOp>();
for (UpdateOp op : operations) {
if (op.selected())
- apply(g, op);
+ list.add(op);
+ }
+ apply(session, list, vg);
+ }
+
+ protected void apply(WriteGraph graph, List<UpdateOp> list) throws DatabaseException {
+ for (UpdateOp op : list) {
+ apply(graph, op);
+ }
+ }
+
+ protected void apply(Session session, List<UpdateOp> list, VirtualGraph vg) throws DatabaseException {
+ if (getChunkSize() > 0) {
+ for (int s = 0; s < list.size(); ) {
+ int e = s + getChunkSize();
+ if (e > list.size())
+ e = list.size();
+ List<UpdateOp> subList = list.subList(s, e);
+ session.syncRequest(new WriteRequest(vg) {
+
+ @Override
+ public void perform(WriteGraph graph) throws DatabaseException {
+
+ for (UpdateOp op : subList) {
+ apply(graph, op);
+ }
+ }
+ });
+ s = e;
+ }
+ } else {
+ session.syncRequest(new WriteRequest(vg) {
+
+ @Override
+ public void perform(WriteGraph graph) throws DatabaseException {
+
+ for (UpdateOp op : list) {
+ apply(graph, op);
+ }
+ }
+ });
}
}
public GraphChanges getChanges() {
return changes;
}
+
+ public Map<Resource, UpdateOp> getResourceMap() {
+ return resourceMap;
+ }
+
+ public Map<Statement, UpdateOp> getStatementMap() {
+ return statementMap;
+ }
private void apply(WriteGraph g, UpdateOp op) throws DatabaseException {
Stack<UpdateOp> stack = new Stack<UpdateOp>();
private void _apply(WriteGraph g, Stack<UpdateOp> stack, UpdateOp op) throws DatabaseException {
if (op.applied())
return;
- if (stack.contains(op))
+ if (stack.contains(op)) {
+ op.apply(g);
return;
- stack.push(op);
- if (op.requiresParentOps()) {
- for (UpdateOp pop : op.getParentOps())
- if (!pop.applied())
- _apply(g, stack, pop);
- }
- if (op.requiresSubOps()) {
- for (UpdateOp sop : op.getSubOps())
- if (!sop.applied())
- _apply(g, stack, sop);
}
+ stack.push(op);
+ for (UpdateOp pop : op.getParentOps())
+ if (op.requiresOp(pop)) {
+ if (!pop.applied())
+ _apply(g, stack, pop);
+ }
+ for (UpdateOp sop : op.getSubOps())
+ if (op.requiresOp(sop)) {
+ if (!sop.applied())
+ _apply(g, stack, sop);
+ }
stack.pop();
op.apply(g);
}
}
protected void addOp(Resource r, UpdateOp op) {
- opMap.put(r, op);
+ resourceMap.put(r, op);
+ operations.add(op);
+ }
+
+ protected void addOp(Statement s, UpdateOp op) {
+ statementMap.put(s, op);
operations.add(op);
}
protected void replaceOp(Resource r, UpdateOp op) {
- UpdateOp oldOp = opMap.remove(r);
+ UpdateOp oldOp = resourceMap.remove(r);
if (oldOp != null) {
operations.remove(oldOp);
}
- opMap.put(r, op);
+ resourceMap.put(r, op);
operations.add(op);
}
protected UpdateOp getOP(Resource r) {
- return opMap.get(r);
+ return resourceMap.get(r);
+ }
+
+ protected UpdateOp getOP(Statement r) {
+ return statementMap.get(r);
}
public abstract void populate(ReadGraph g) throws DatabaseException;
+ /**
+ * Secondary populate method. Override this for chunked DB operations.
+ * @param session
+ * @throws DatabaseException
+ */
+ public void populate(Session session, IProgressMonitor monitor) throws DatabaseException {
+ session.syncRequest(new ReadRequest() {
+
+ @Override
+ public void run(ReadGraph graph) throws DatabaseException {
+ populate(graph);
+ }
+ });
+ }
+
protected boolean compares(Resource r1, Resource r2) {
if (r1.equals(r2))
return true;
Code Review / simantics / interop.git / blobdiff