X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2FStandardStatement.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2FStandardStatement.java;h=6886faa1968157ffea9e02a567432e928c2e3577;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/StandardStatement.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/StandardStatement.java
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index 000000000..6886faa19
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+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/StandardStatement.java
@@ -0,0 +1,77 @@
+/*******************************************************************************
+ * 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.db.common;
+
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+
+public final class StandardStatement implements Statement, Comparable<Statement> {
+	
+    final private Resource s;
+    final private Resource p;
+    final private Resource o;
+    
+    public StandardStatement(final Resource s, final Resource p, final Resource o) {
+        this.s = s;
+        this.p = p;
+        this.o = o;
+    }
+    
+    @Override
+    public Resource getObject() {
+        return o;
+    }
+
+    @Override
+    final public Resource getPredicate() {
+        return p;
+    }
+
+    @Override
+    final public Resource getSubject() {
+        return s;
+    }
+
+    @Override
+    public boolean isAsserted(Resource testSubject) {
+    	return !s.equals(testSubject);
+    }
+    
+    @Override
+    final public int hashCode() {
+        return 41 * ( 31 * s.hashCode() + p.hashCode()) + o.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object object) {
+        if (this == object)
+            return true;
+        else if (object == null)
+            return false;
+        else if (!(object instanceof Statement))
+            return false;
+        Statement r = (Statement)object;
+        return s.equalsResource(r.getSubject()) && p.equalsResource(r.getPredicate()) && o.equalsResource(r.getObject());
+    }
+    
+    @Override
+    public int compareTo(Statement other) {
+        Statement impl = (Statement)other; 
+        int result = s.compareTo(impl.getSubject());
+        if(result != 0) return result;
+        result = p.compareTo(impl.getPredicate());
+        if(result != 0) return result;
+        return o.compareTo(impl.getObject());
+    }
+
+}
+