001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.spi;
018    
019    import java.util.List;
020    import java.util.Map;
021    
022    import org.apache.camel.CamelContext;
023    import org.apache.camel.Endpoint;
024    import org.apache.camel.Processor;
025    import org.apache.camel.RuntimeConfiguration;
026    import org.apache.camel.model.FromDefinition;
027    import org.apache.camel.model.ProcessorDefinition;
028    import org.apache.camel.model.RouteDefinition;
029    
030    /**
031     * The context used to activate new routing rules
032     *
033     * @version 
034     */
035    public interface RouteContext extends RuntimeConfiguration {
036    
037        /**
038         * Gets the endpoint
039         *
040         * @return the endpoint
041         */
042        Endpoint getEndpoint();
043    
044        /**
045         * Gets the from type
046         *
047         * @return the from type
048         */
049        FromDefinition getFrom();
050    
051        /**
052         * Get the route type
053         *
054         * @return the route type
055         */
056        RouteDefinition getRoute();
057    
058        /**
059         * Gets the camel context
060         *
061         * @return the camel context
062         */
063        CamelContext getCamelContext();
064    
065        /**
066         * Resolves an endpoint from the URI
067         *
068         * @param uri the URI
069         * @return the resolved endpoint
070         */
071        Endpoint resolveEndpoint(String uri);
072    
073        /**
074         * Resolves an endpoint from either a URI or a named reference
075         *
076         * @param uri  the URI or
077         * @param ref  the named reference
078         * @return the resolved endpoint
079         */
080        Endpoint resolveEndpoint(String uri, String ref);
081    
082        /**
083         * lookup an object by name and type
084         *
085         * @param name  the name to lookup
086         * @param type  the expected type
087         * @return the found object
088         */
089        <T> T lookup(String name, Class<T> type);
090    
091        /**
092         * lookup an object by name and type or throws {@link org.apache.camel.NoSuchBeanException} if not found.
093         *
094         * @param name  the name to lookup
095         * @param type  the expected type
096         * @return the found object
097         */
098        <T> T mandatoryLookup(String name, Class<T> type);
099    
100        /**
101         * lookup objects by type
102         *
103         * @param type the expected type
104         * @return the found objects with the name as the key in the map. Returns an empty map if none found.
105         */
106        <T> Map<String, T> lookupByType(Class<T> type);
107    
108        /**
109         * For completing the route creation, creating a single event driven route
110         * for the current from endpoint with any processors required
111         */
112        void commit();
113    
114        /**
115         * Adds an event driven processor
116         *
117         * @param processor the processor
118         */
119        void addEventDrivenProcessor(Processor processor);
120    
121        /**
122         * This method retrieves the InterceptStrategy instances this route context.
123         *
124         * @return the strategy
125         */
126        List<InterceptStrategy> getInterceptStrategies();
127    
128        /**
129         * This method sets the InterceptStrategy instances on this route context.
130         *
131         * @param interceptStrategies the strategies
132         */
133        void setInterceptStrategies(List<InterceptStrategy> interceptStrategies);
134    
135        /**
136         * Adds a InterceptStrategy to this route context
137         *
138         * @param interceptStrategy the strategy
139         */
140        void addInterceptStrategy(InterceptStrategy interceptStrategy);
141    
142        /**
143         * Sets a special intercept strategy for management.
144         * <p/>
145         * Is by default used to correlate managed performance counters with processors
146         * when the runtime route is being constructed
147         *
148         * @param interceptStrategy the managed intercept strategy
149         */
150        void setManagedInterceptStrategy(InterceptStrategy interceptStrategy);
151    
152        /**
153         * Gets the special managed intercept strategy if any
154         *
155         * @return the managed intercept strategy, or <tt>null</tt> if not managed
156         */
157        InterceptStrategy getManagedInterceptStrategy();
158    
159        /**
160         * If this flag is true, {@link ProcessorDefinition#addRoutes(RouteContext, java.util.Collection)}
161         * will not add processor to addEventDrivenProcessor to the RouteContext and it
162         * will prevent from adding an EventDrivenRoute.
163         *
164         * @param value the flag
165         */
166        void setIsRouteAdded(boolean value);
167    
168        /**
169         * Returns the isRouteAdded flag
170         * 
171         * @return the flag
172         */
173        boolean isRouteAdded();
174        
175        /**
176         * Gets the route policy List
177         *
178         * @return the route policy list if any
179         */
180        List<RoutePolicy> getRoutePolicyList();
181    
182        /**
183         * Sets a custom route policy List
184         *
185         * @param routePolicyList the custom route policy list
186         */
187        void setRoutePolicyList(List<RoutePolicy> routePolicyList);
188    
189        /**
190         * A private counter that increments, is used to as book keeping
191         * when building a route based on the model
192         * <p/>
193         * We need this special book keeping be able to assign the correct
194         * {@link org.apache.camel.model.ProcessorDefinition} to the {@link org.apache.camel.Channel}
195         *
196         * @param node the current node
197         * @return the current count
198         */
199        int getAndIncrement(ProcessorDefinition<?> node);
200    
201    }