-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in 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.db.common.request;\r
-\r
-import java.util.Collection;\r
-\r
-import org.simantics.databoard.binding.Binding;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.uri.ResourceToPossibleURI;\r
-import org.simantics.db.common.uri.ResourceToURI;\r
-import org.simantics.db.common.utils.NameUtils;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.request.AsyncRead;\r
-import org.simantics.db.request.Read;\r
-import org.simantics.layer0.Layer0;\r
-\r
-/**\r
- * Facade class that aggregates the most common queries.\r
- * \r
- * Example:\r
- * \r
- * System.out.println( session.read( Queries.adapt(r, String.class) ) );\r
- *\r
- * @author Tuukka Lehtonen\r
- * @author Toni Kalajainen\r
- */\r
-public class Queries {\r
-\r
- public static AsyncRead<Resource> resource(String uri) {\r
- return new org.simantics.db.common.primitiverequest.Resource(uri);\r
- }\r
-\r
- public static Read<String> name(final Resource resource) {\r
- return new ResourceRead<String>(resource) {\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- return graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName);\r
- }\r
- };\r
- }\r
-\r
- public static Read<String> safeName(final Resource resource) {\r
- return new ResourceRead<String>(resource) {\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- return NameUtils.getSafeName(graph, resource);\r
- }\r
- };\r
- }\r
-\r
- public static Read<String> name(final String uri) {\r
- return new UnaryRead<String, String>(uri) {\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- Resource resource = graph.getResource(uri);\r
- return graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName);\r
- }\r
- };\r
- }\r
-\r
- public static Read<String> uri(Resource resource) {\r
- return new ResourceToURI(resource);\r
- }\r
-\r
- public static Read<String> possibleUri(Resource resource) {\r
- return new ResourceToPossibleURI(resource);\r
- }\r
-\r
- public static <T> Read<T> adapt(Resource resource, Class<T> target)\r
- {\r
- return new Adapt<T>(resource, target);\r
- }\r
-\r
- public static <T> Read<T> adapt(Resource resource, Class<T> target, boolean allowNull)\r
- {\r
- return new Adapt<T>(resource, target, allowNull);\r
- }\r
-\r
- public static <T> Read<T> adapt(Resource resource, Class<T> target, boolean allowNull, boolean uniqueResult)\r
- {\r
- return new Adapt<T>(resource, target, allowNull, uniqueResult);\r
- }\r
-\r
- public static Read<Boolean> isInstanceOf(Resource resource, Resource type)\r
- {\r
- return new IsInstanceOfQuery(resource, type);\r
- }\r
-\r
- public static Read<Boolean> isInstanceOf(Resource resource, String type)\r
- {\r
- return new IsInstanceOfQuery2(resource, type);\r
- }\r
-\r
- public static <T> Read<T> getRelatedValue(Resource subject, Resource relation, Binding binding)\r
- {\r
- return new ReadRelatedValue<T>(subject, relation, binding);\r
- }\r
-\r
- public static <T> Read<T> getRelatedValue(Resource subject, String relation, Binding binding)\r
- {\r
- return new ReadRelatedValue2<T>(subject, relation, binding);\r
- }\r
-\r
- public static <T> Read<T> getPossibleRelatedValue(Resource subject, Resource relation, Binding binding)\r
- {\r
- return new ReadPossibleRelatedValue<T>(subject, relation, binding);\r
- }\r
- \r
- public static Read<Boolean> hasTag(Resource subject, Resource tag) {\r
- return new HasTag(subject, tag);\r
- }\r
-\r
- public static ObjectsWithType objectsWithType(Resource subject, Resource subrelationOf, Resource instanceOf) {\r
- return new ObjectsWithType(subject, subrelationOf, instanceOf);\r
- }\r
-\r
- public static Read<Resource> possibleObjectWithType(final Resource resource, final Resource predicate, final Resource type) {\r
- return new PossibleObjectWithType(resource, predicate, type);\r
- }\r
- \r
- public static Read<Resource> possibleObject(final Resource subject, final Resource predicate) {\r
- return new Read<Resource>() {\r
- @Override\r
- public Resource perform(ReadGraph graph) throws DatabaseException {\r
- return graph.getPossibleObject(subject, predicate);\r
- }\r
- }; \r
- }\r
- \r
- public static Read<Collection<Resource>> objects(final Resource subject, final Resource predicate) {\r
- return new Read<Collection<Resource>>() {\r
- @Override\r
- public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {\r
- return graph.getObjects(subject, predicate);\r
- }\r
- }; \r
- } \r
- \r
- \r
-}\r
-\r
-\r
-class IsInstanceOfQuery implements Read<Boolean> {\r
-\r
- final protected Resource resource;\r
- final protected Resource type;\r
-\r
- public IsInstanceOfQuery(Resource resource, Resource type) {\r
- this.resource = resource;\r
- this.type = type;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- return resource.hashCode() + 13 * type.hashCode();\r
- }\r
-\r
- @Override\r
- public boolean equals(Object object) {\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
- else if (getClass() != object.getClass())\r
- return false;\r
- IsInstanceOfQuery other = (IsInstanceOfQuery) object;\r
- return resource.equals(other.resource) && type.equals(other.type);\r
- }\r
-\r
- @Override\r
- public Boolean perform(ReadGraph graph) throws DatabaseException {\r
- return graph.isInstanceOf(resource, type);\r
- }\r
-\r
-}\r
-\r
-class IsInstanceOfQuery2 implements Read<Boolean> {\r
-\r
- final protected Resource resource;\r
- final protected String type;\r
-\r
- public IsInstanceOfQuery2(Resource resource, String type) {\r
- this.resource = resource;\r
- this.type = type;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- return resource.hashCode() + 13 * type.hashCode();\r
- }\r
-\r
- @Override\r
- public boolean equals(Object object) {\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
- else if (getClass() != object.getClass())\r
- return false;\r
- IsInstanceOfQuery other = (IsInstanceOfQuery) object;\r
- return resource.equals(other.resource) && type.equals(other.type);\r
- }\r
-\r
- @Override\r
- public Boolean perform(ReadGraph graph) throws DatabaseException {\r
- Resource typeResource = graph.getResource(type);\r
- return graph.isInstanceOf(resource, typeResource);\r
- }\r
-\r
-}\r
-\r
-\r
-class ReadRelatedValue<T> implements Read<T> {\r
-\r
- Resource subject;\r
- Resource relation;\r
- Binding binding;\r
-\r
- public ReadRelatedValue(Resource subject, Resource relation, Binding binding) {\r
- this.subject = subject;\r
- this.relation = relation;\r
- this.binding = binding;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- return subject.hashCode() + 13 * relation.hashCode() + 7*binding.hashCode();\r
- }\r
-\r
- @Override\r
- public boolean equals(Object object) {\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
- else if (getClass() != object.getClass())\r
- return false;\r
- ReadRelatedValue<?> other = (ReadRelatedValue<?>) object;\r
- return subject.equals(other.subject) &&\r
- relation.equals(other.relation) &&\r
- binding.equals(other.binding);\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public T perform(ReadGraph graph) throws DatabaseException {\r
- return (T) graph.getRelatedValue(subject, relation, binding);\r
- }\r
-}\r
-\r
-\r
-class ReadRelatedValue2<T> implements Read<T> {\r
-\r
- Resource subject;\r
- String relation;\r
- Binding binding;\r
-\r
- public ReadRelatedValue2(Resource subject, String relation, Binding binding) {\r
- this.subject = subject;\r
- this.relation = relation;\r
- this.binding = binding;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- return subject.hashCode() + 13 * relation.hashCode() + 7*binding.hashCode();\r
- }\r
-\r
- @Override\r
- public boolean equals(Object object) {\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
- else if (getClass() != object.getClass())\r
- return false;\r
- ReadRelatedValue2<?> other = (ReadRelatedValue2<?>) object;\r
- return subject.equals(other.subject) &&\r
- relation.equals(other.relation) &&\r
- binding.equals(other.binding);\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public T perform(ReadGraph graph) throws DatabaseException {\r
- Resource relationResource = graph.getResource(relation);\r
- return (T) graph.getRelatedValue(subject, relationResource, binding);\r
- }\r
-}\r
-\r
-class ReadPossibleRelatedValue<T> implements Read<T> {\r
-\r
- Resource subject;\r
- Resource relation;\r
- Binding binding;\r
-\r
- public ReadPossibleRelatedValue(Resource subject, Resource relation, Binding binding) {\r
- this.subject = subject;\r
- this.relation = relation;\r
- this.binding = binding;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- return subject.hashCode() + 13 * relation.hashCode() + 7*binding.hashCode() + 5453;\r
- }\r
-\r
- @Override\r
- public boolean equals(Object object) {\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
- else if (getClass() != object.getClass())\r
- return false;\r
- ReadPossibleRelatedValue<?> other = (ReadPossibleRelatedValue<?>) object;\r
- return subject.equals(other.subject) &&\r
- relation.equals(other.relation) &&\r
- binding.equals(other.binding);\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public T perform(ReadGraph graph) throws DatabaseException {\r
- return (T) graph.getPossibleRelatedValue(subject, relation, binding);\r
- }\r
-}\r
-\r
-class HasTag extends ResourceRead2<Boolean> {\r
- public HasTag(Resource subject, Resource tag) {\r
- super(subject, tag);\r
- }\r
-\r
- @Override\r
- public Boolean perform(ReadGraph graph) throws DatabaseException {\r
- return Boolean.valueOf(graph.hasStatement(resource, resource2, resource));\r
- }\r
+/*******************************************************************************
+ * 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.request;
+
+import java.util.Collection;
+
+import org.simantics.databoard.binding.Binding;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.uri.ResourceToPossibleURI;
+import org.simantics.db.common.uri.ResourceToURI;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.AsyncRead;
+import org.simantics.db.request.Read;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Facade class that aggregates the most common queries.
+ *
+ * Example:
+ *
+ * System.out.println( session.read( Queries.adapt(r, String.class) ) );
+ *
+ * @author Tuukka Lehtonen
+ * @author Toni Kalajainen
+ */
+public class Queries {
+
+ public static AsyncRead<Resource> resource(String uri) {
+ return new org.simantics.db.common.primitiverequest.Resource(uri);
+ }
+
+ public static Read<String> name(final Resource resource) {
+ return new ResourceRead<String>(resource) {
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ return graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName);
+ }
+ };
+ }
+
+ public static Read<String> safeName(final Resource resource) {
+ return new ResourceRead<String>(resource) {
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ return NameUtils.getSafeName(graph, resource);
+ }
+ };
+ }
+
+ public static Read<String> name(final String uri) {
+ return new UnaryRead<String, String>(uri) {
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ Resource resource = graph.getResource(uri);
+ return graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName);
+ }
+ };
+ }
+
+ public static Read<String> uri(Resource resource) {
+ return new ResourceToURI(resource);
+ }
+
+ public static Read<String> possibleUri(Resource resource) {
+ return new ResourceToPossibleURI(resource);
+ }
+
+ public static <T> Read<T> adapt(Resource resource, Class<T> target)
+ {
+ return new Adapt<T>(resource, target);
+ }
+
+ public static <T> Read<T> adapt(Resource resource, Class<T> target, boolean allowNull)
+ {
+ return new Adapt<T>(resource, target, allowNull);
+ }
+
+ public static <T> Read<T> adapt(Resource resource, Class<T> target, boolean allowNull, boolean uniqueResult)
+ {
+ return new Adapt<T>(resource, target, allowNull, uniqueResult);
+ }
+
+ public static Read<Boolean> isInstanceOf(Resource resource, Resource type)
+ {
+ return new IsInstanceOfQuery(resource, type);
+ }
+
+ public static Read<Boolean> isInstanceOf(Resource resource, String type)
+ {
+ return new IsInstanceOfQuery2(resource, type);
+ }
+
+ public static <T> Read<T> getRelatedValue(Resource subject, Resource relation, Binding binding)
+ {
+ return new ReadRelatedValue<T>(subject, relation, binding);
+ }
+
+ public static <T> Read<T> getRelatedValue(Resource subject, String relation, Binding binding)
+ {
+ return new ReadRelatedValue2<T>(subject, relation, binding);
+ }
+
+ public static <T> Read<T> getPossibleRelatedValue(Resource subject, Resource relation, Binding binding)
+ {
+ return new ReadPossibleRelatedValue<T>(subject, relation, binding);
+ }
+
+ public static Read<Boolean> hasTag(Resource subject, Resource tag) {
+ return new HasTag(subject, tag);
+ }
+
+ public static ObjectsWithType objectsWithType(Resource subject, Resource subrelationOf, Resource instanceOf) {
+ return new ObjectsWithType(subject, subrelationOf, instanceOf);
+ }
+
+ public static Read<Resource> possibleObjectWithType(final Resource resource, final Resource predicate, final Resource type) {
+ return new PossibleObjectWithType(resource, predicate, type);
+ }
+
+ public static Read<Resource> possibleObject(final Resource subject, final Resource predicate) {
+ return new Read<Resource>() {
+ @Override
+ public Resource perform(ReadGraph graph) throws DatabaseException {
+ return graph.getPossibleObject(subject, predicate);
+ }
+ };
+ }
+
+ public static Read<Collection<Resource>> objects(final Resource subject, final Resource predicate) {
+ return new Read<Collection<Resource>>() {
+ @Override
+ public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
+ return graph.getObjects(subject, predicate);
+ }
+ };
+ }
+
+
+}
+
+
+class IsInstanceOfQuery implements Read<Boolean> {
+
+ final protected Resource resource;
+ final protected Resource type;
+
+ public IsInstanceOfQuery(Resource resource, Resource type) {
+ this.resource = resource;
+ this.type = type;
+ }
+
+ @Override
+ public int hashCode() {
+ return resource.hashCode() + 13 * type.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+ else if (getClass() != object.getClass())
+ return false;
+ IsInstanceOfQuery other = (IsInstanceOfQuery) object;
+ return resource.equals(other.resource) && type.equals(other.type);
+ }
+
+ @Override
+ public Boolean perform(ReadGraph graph) throws DatabaseException {
+ return graph.isInstanceOf(resource, type);
+ }
+
+}
+
+class IsInstanceOfQuery2 implements Read<Boolean> {
+
+ final protected Resource resource;
+ final protected String type;
+
+ public IsInstanceOfQuery2(Resource resource, String type) {
+ this.resource = resource;
+ this.type = type;
+ }
+
+ @Override
+ public int hashCode() {
+ return resource.hashCode() + 13 * type.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+ else if (getClass() != object.getClass())
+ return false;
+ IsInstanceOfQuery2 other = (IsInstanceOfQuery2) object;
+ return resource.equals(other.resource) && type.equals(other.type);
+ }
+
+ @Override
+ public Boolean perform(ReadGraph graph) throws DatabaseException {
+ Resource typeResource = graph.getResource(type);
+ return graph.isInstanceOf(resource, typeResource);
+ }
+
+}
+
+
+class ReadRelatedValue<T> implements Read<T> {
+
+ Resource subject;
+ Resource relation;
+ Binding binding;
+
+ public ReadRelatedValue(Resource subject, Resource relation, Binding binding) {
+ this.subject = subject;
+ this.relation = relation;
+ this.binding = binding;
+ }
+
+ @Override
+ public int hashCode() {
+ return subject.hashCode() + 13 * relation.hashCode() + 7*binding.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+ else if (getClass() != object.getClass())
+ return false;
+ ReadRelatedValue<?> other = (ReadRelatedValue<?>) object;
+ return subject.equals(other.subject) &&
+ relation.equals(other.relation) &&
+ binding.equals(other.binding);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public T perform(ReadGraph graph) throws DatabaseException {
+ return (T) graph.getRelatedValue(subject, relation, binding);
+ }
+}
+
+
+class ReadRelatedValue2<T> implements Read<T> {
+
+ Resource subject;
+ String relation;
+ Binding binding;
+
+ public ReadRelatedValue2(Resource subject, String relation, Binding binding) {
+ this.subject = subject;
+ this.relation = relation;
+ this.binding = binding;
+ }
+
+ @Override
+ public int hashCode() {
+ return subject.hashCode() + 13 * relation.hashCode() + 7*binding.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+ else if (getClass() != object.getClass())
+ return false;
+ ReadRelatedValue2<?> other = (ReadRelatedValue2<?>) object;
+ return subject.equals(other.subject) &&
+ relation.equals(other.relation) &&
+ binding.equals(other.binding);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public T perform(ReadGraph graph) throws DatabaseException {
+ Resource relationResource = graph.getResource(relation);
+ return (T) graph.getRelatedValue(subject, relationResource, binding);
+ }
+}
+
+class ReadPossibleRelatedValue<T> implements Read<T> {
+
+ Resource subject;
+ Resource relation;
+ Binding binding;
+
+ public ReadPossibleRelatedValue(Resource subject, Resource relation, Binding binding) {
+ this.subject = subject;
+ this.relation = relation;
+ this.binding = binding;
+ }
+
+ @Override
+ public int hashCode() {
+ return subject.hashCode() + 13 * relation.hashCode() + 7*binding.hashCode() + 5453;
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+ else if (getClass() != object.getClass())
+ return false;
+ ReadPossibleRelatedValue<?> other = (ReadPossibleRelatedValue<?>) object;
+ return subject.equals(other.subject) &&
+ relation.equals(other.relation) &&
+ binding.equals(other.binding);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public T perform(ReadGraph graph) throws DatabaseException {
+ return (T) graph.getPossibleRelatedValue(subject, relation, binding);
+ }
+}
+
+class HasTag extends ResourceRead2<Boolean> {
+ public HasTag(Resource subject, Resource tag) {
+ super(subject, tag);
+ }
+
+ @Override
+ public Boolean perform(ReadGraph graph) throws DatabaseException {
+ return Boolean.valueOf(graph.hasStatement(resource, resource2, resource));
+ }
}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff