X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.graph.db%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Fdb%2FTransferableGraphSource.java;fp=bundles%2Forg.simantics.graph.db%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Fdb%2FTransferableGraphSource.java;h=615001e30cbaf255de4cf7aa01f4ef09df5e3060;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.graph.db/src/org/simantics/graph/db/TransferableGraphSource.java b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/TransferableGraphSource.java
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+++ b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/TransferableGraphSource.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.graph.db;
+
+import java.io.Closeable;
+import java.io.DataInput;
+import java.util.TreeMap;
+
+import org.simantics.databoard.binding.mutable.Variant;
+import org.simantics.databoard.container.DataContainer;
+import org.simantics.databoard.type.Datatype;
+import org.simantics.db.ReadGraph;
+import org.simantics.graph.representation.Identity;
+import org.simantics.graph.representation.Value;
+
+/*
+ * NOTE: Current constraints
+ * 
+ *  §1 The following methods shall be called exactly once in the following order:
+ *     -getIdentityCount
+ *     -forIdentities
+ *     -getStatementCount
+ *     -forStatements
+ *     -getValueCount
+ *     -forValues
+ * 
+ */
+
+public interface TransferableGraphSource extends Closeable {
+
+	public static final byte TAG_RAW_COPY_VARIANT_VALUE = 1;
+	public static final byte TAG_POTENTIALLY_MODIFIED_VARIANT_VALUE = 2;
+
+	@FunctionalInterface
+	public interface TransferableGraphSourceProcedure<T> {
+		void execute(T value) throws Exception;
+	}
+
+	public interface TransferableGraphSourceValueProcedure {
+		void execute(int resource, Datatype type, DataInput input) throws Exception;
+		void rawCopy(int resource, int length, DataInput input) throws Exception;
+	}
+
+	public DataContainer getHeader() throws Exception;
+	
+	public TreeMap<String, Variant> getExtensions() throws Exception;
+	
+	public int getResourceCount() throws Exception;
+
+	public int getIdentityCount() throws Exception;
+	public void forIdentities(ReadGraph graph, TransferableGraphSourceProcedure<Identity> procedure) throws Exception;
+
+	public int getStatementCount() throws Exception;
+	public void forStatements(ReadGraph graph, TransferableGraphSourceProcedure<int[]> procedure) throws Exception;
+	
+	public int getValueCount() throws Exception;
+	public void forValues(ReadGraph graph, TransferableGraphSourceProcedure<Value> procedure) throws Exception;
+	public void forValues2(ReadGraph graph, TransferableGraphSourceValueProcedure procedure) throws Exception;
+	
+	public void reset() throws Exception;
+	
+}