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Posted to commits@jackrabbit.apache.org by mr...@apache.org on 2005/02/08 11:45:07 UTC
svn commit: r152659 - in
incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search:
ExecutableQuery.java QueryImpl.java
Author: mreutegg
Date: Tue Feb 8 02:45:04 2005
New Revision: 152659
URL: http://svn.apache.org/viewcvs?view=rev&rev=152659
Log:
New classes were missing with the last commit. sorry about that....
Added:
incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/ExecutableQuery.java (with props)
incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/QueryImpl.java (with props)
Added: incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/ExecutableQuery.java
URL: http://svn.apache.org/viewcvs/incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/ExecutableQuery.java?view=auto&rev=152659
==============================================================================
--- incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/ExecutableQuery.java (added)
+++ incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/ExecutableQuery.java Tue Feb 8 02:45:04 2005
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2004-2005 The Apache Software Foundation or its licensors,
+ * as applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.core.search;
+
+import javax.jcr.query.QueryResult;
+import javax.jcr.RepositoryException;
+
+/**
+ * Specifies an interface for a query object implementation that can just be
+ * executed.
+ * @see QueryImpl
+ */
+public interface ExecutableQuery {
+
+ /**
+ * Executes this query and returns a <code>{@link QueryResult}</code>.
+ *
+ * @return a <code>QueryResult</code>
+ * @throws RepositoryException if an error occurs
+ */
+ public QueryResult execute() throws RepositoryException;
+}
Propchange: incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/ExecutableQuery.java
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Added: incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/QueryImpl.java
URL: http://svn.apache.org/viewcvs/incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/QueryImpl.java?view=auto&rev=152659
==============================================================================
--- incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/QueryImpl.java (added)
+++ incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/QueryImpl.java Tue Feb 8 02:45:04 2005
@@ -0,0 +1,188 @@
+/*
+ * Copyright 2004-2005 The Apache Software Foundation or its licensors,
+ * as applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.core.search;
+
+import org.apache.jackrabbit.core.nodetype.NodeTypeRegistry;
+import org.apache.jackrabbit.core.SessionImpl;
+import org.apache.jackrabbit.core.ItemManager;
+import org.apache.jackrabbit.core.Path;
+import org.apache.jackrabbit.core.MalformedPathException;
+import org.apache.jackrabbit.core.NoPrefixDeclaredException;
+import org.apache.jackrabbit.core.NamespaceResolver;
+import org.apache.log4j.Logger;
+
+import javax.jcr.nodetype.ConstraintViolationException;
+import javax.jcr.query.InvalidQueryException;
+import javax.jcr.query.QueryResult;
+import javax.jcr.query.Query;
+import javax.jcr.lock.LockException;
+import javax.jcr.version.VersionException;
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.ItemNotFoundException;
+import javax.jcr.ItemExistsException;
+import javax.jcr.PathNotFoundException;
+import javax.jcr.UnsupportedRepositoryOperationException;
+
+/**
+ * Implements the {@link Query} interface.
+ */
+public class QueryImpl implements Query {
+
+ /** The session of the user executing this query */
+ private final SessionImpl session;
+
+ /** The query statement */
+ private final String statement;
+
+ /** The syntax of the query statement */
+ private final String language;
+
+ /** The actual query implementation that can be executed */
+ private final ExecutableQuery query;
+
+ /**
+ * The node where this query is persisted. Only set when this is a persisted
+ * query.
+ */
+ private Node node;
+
+ /**
+ * Creates a new query instance from a query string.
+ * @param session the session of the user executing this query.
+ * @param itemMgr the item manager of the session executing this query.
+ * @param handler the query handler of the search index.
+ * @param statement the query statement.
+ * @param language the syntax of the query statement.
+ * @throws InvalidQueryException if the query statement is invalid according
+ * to the specified <code>language</code>.
+ */
+ public QueryImpl(SessionImpl session,
+ ItemManager itemMgr,
+ QueryHandler handler,
+ String statement,
+ String language) throws InvalidQueryException {
+ this.session = session;
+ this.statement = statement;
+ this.language = language;
+ this.query = handler.createExecutableQuery(session, itemMgr, statement, language);
+ }
+
+ /**
+ * Create a new query instance from a nt:query node.
+ * @param session the session of the user executing this query.
+ * @param itemMgr the item manager of the session executing this query.
+ * @param handler the query handler of the search index.
+ * @param node a node of type <code>nt:query</code>.
+ * @throws InvalidQueryException If <code>node</code> is not a valid persisted query
+ * (that is, a node of type <code>nt:query</code>).
+ * @throws RepositoryException if another error occurs
+ */
+ public QueryImpl(SessionImpl session,
+ ItemManager itemMgr,
+ QueryHandler handler,
+ Node node)
+ throws InvalidQueryException, RepositoryException {
+
+ this.session = session;
+ this.node = node;
+
+ try {
+ if (!node.isNodeType(NodeTypeRegistry.NT_QUERY.toJCRName(session.getNamespaceResolver()))) {
+ throw new InvalidQueryException("node is not of type nt:query");
+ }
+ statement = node.getProperty(Constants.JCR_STATEMENT.toJCRName(session.getNamespaceResolver())).getString();
+ language = node.getProperty(Constants.JCR_LANGUAGE.toJCRName(session.getNamespaceResolver())).getString();
+ query = handler.createExecutableQuery(session, itemMgr, statement, language);
+ } catch (NoPrefixDeclaredException e) {
+ throw new RepositoryException(e.getMessage(), e);
+ }
+ }
+
+ /**
+ * This method simply forwards the <code>execute</code> call to the
+ * {@link ExecutableQuery} object returned by
+ * {@link QueryHandler#createExecutableQuery}.
+ * @see Query#execute()
+ */
+ public QueryResult execute() throws RepositoryException {
+ return query.execute();
+ }
+
+ /**
+ * @see Query#getStatement()
+ */
+ public String getStatement() {
+ return statement;
+ }
+
+ /**
+ * @see Query#getLanguage()
+ */
+ public String getLanguage() {
+ return language;
+ }
+
+ /**
+ * @see Query#getPersistentQueryPath()
+ */
+ public String getPersistentQueryPath() throws ItemNotFoundException, RepositoryException {
+ if (node == null) {
+ throw new ItemNotFoundException("not a persistent query");
+ }
+ return node.getPath();
+ }
+
+ /**
+ * @see Query#save(String)
+ */
+ public void save(String absPath)
+ throws ItemExistsException,
+ PathNotFoundException,
+ VersionException,
+ ConstraintViolationException,
+ LockException,
+ UnsupportedRepositoryOperationException,
+ RepositoryException {
+ try {
+ NamespaceResolver resolver = session.getNamespaceResolver();
+ Path p = Path.create(absPath, resolver, true);
+ if (!p.isAbsolute()) {
+ throw new RepositoryException(absPath + " is not an absolut path");
+ }
+ if (!session.getRootNode().hasNode(p.getAncestor(1).toJCRPath(resolver).substring(1))) {
+ throw new PathNotFoundException(p.getAncestor(1).toJCRPath(resolver));
+ }
+ String relPath = p.toJCRPath(resolver).substring(1);
+ if (session.getRootNode().hasNode(relPath)) {
+ throw new ItemExistsException(p.toJCRPath(resolver));
+ }
+ Node queryNode = session.getRootNode().addNode(relPath,
+ NodeTypeRegistry.NT_QUERY.toJCRName(resolver));
+ // set properties
+ queryNode.setProperty(Constants.JCR_LANGUAGE.toJCRName(resolver), language);
+ queryNode.setProperty(Constants.JCR_STATEMENT.toJCRName(resolver), statement);
+ // todo this should be changed in the spec some time!
+ queryNode.getParent().save();
+ } catch (MalformedPathException e) {
+ throw new RepositoryException(e.getMessage(), e);
+ } catch (NoPrefixDeclaredException e) {
+ throw new RepositoryException(e.getMessage(), e);
+ }
+ }
+}
+
Propchange: incubator/jackrabbit/trunk/src/java/org/apache/jackrabbit/core/search/QueryImpl.java
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