diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation')
5 files changed, 327 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Interceptor.java b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Interceptor.java new file mode 100644 index 0000000000..a5f221fc11 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Interceptor.java @@ -0,0 +1,40 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.tuscany.sca.invocation; + +/** + * Synchronous mediation associated with a client- or target- side wire. + * + * @version $Rev$ $Date$ + */ +public interface Interceptor extends Invoker { + + /** + * Sets the next invoker + * @param next The next invoker + */ + void setNext(Invoker next); + + /** + * Returns the next invoker or null + * @return The next Invoker + */ + Invoker getNext(); + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/InvocationChain.java b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/InvocationChain.java new file mode 100644 index 0000000000..cd75d06ab3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/InvocationChain.java @@ -0,0 +1,83 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.tuscany.sca.invocation; + +import org.apache.tuscany.sca.interfacedef.Operation; + +/** + * A wire consists of 1..n invocation chains associated with the operations of its source service contract. + * <p/> + * Invocation chains may contain </code>Interceptors</code> that process invocations. + * <p/> + * A <code>Message</code> is used to pass data associated with an invocation through the chain. + * + * @version $Rev$ $Date$ + */ +public interface InvocationChain { + /** + * Returns the target operation for this invocation chain. + * + * @return The target operation for this invocation chain + */ + Operation getTargetOperation(); + + /** + * Returns the source operation for this invocation chain. + * + * @return The source operation for this invocation chain + */ + Operation getSourceOperation(); + + /** + * Adds an interceptor to the chain + * + * @param interceptor The interceptor to add + */ + void addInterceptor(Interceptor interceptor); + + /** + * Adds an invoker to the chain + * + * @param invoker The invoker to add + */ + void addInvoker(Invoker invoker); + + /** + * Returns the first invoker in the chain. + * + * @return The first invoker in the chain + */ + Invoker getHeadInvoker(); + + /** + * Returns the last invoker in the chain. + * + * @return The last invoker in the chain + */ + Invoker getTailInvoker(); + + /** + * Adds an interceptor at the given position in the interceptor stack + * + * @param index The position in the interceptor stack to add the interceptor + * @param interceptor The interceptor to add + */ + void addInterceptor(int index, Interceptor interceptor); + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Invoker.java b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Invoker.java new file mode 100644 index 0000000000..2748bbed9a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Invoker.java @@ -0,0 +1,36 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.tuscany.sca.invocation; + +/** + * Synchronous mediation associated with a client- or target- side wire. + * + * @version $Rev$ $Date$ + */ +public interface Invoker { + + /** + * Process a synchronous wire + * + * @param msg The request Message for the wire + * @return The response Message from the wire + */ + Message invoke(Message msg); + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Message.java b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Message.java new file mode 100644 index 0000000000..ef23118e78 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Message.java @@ -0,0 +1,132 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.tuscany.sca.invocation; + +import org.apache.tuscany.sca.interfacedef.ConversationSequence; +import org.apache.tuscany.sca.runtime.EndpointReference; + +/** + * Represents a request, response, or exception flowing through a wire + * + * @version $Rev $Date + */ +public interface Message { + + /** + * Returns the body of the message, which will be the payload or parameters associated with the wire + * @return The body of the message + */ + <T> T getBody(); + + /** + * Sets the body of the message. + * @param body The body of the message + */ + <T> void setBody(T body); + + /** + * Get the conversation id + * @return The conversation ID + */ + String getConversationID(); + + /** + * Set the conversation id + * @param conversationId The conversation ID + */ + void setConversationID(String conversationId); + + /** + * Get the end point reference of the source reference + * @return The end point reference of the reference originating the message + */ + EndpointReference getFrom(); + + /** + * Set the end point reference of the reference originating the message + * @param from The end point reference of the reference originating the message + */ + void setFrom(EndpointReference from); + + /** + * Get the end point reference of target service + * @return The end point reference of the service that the message targets + */ + EndpointReference getTo(); + + /** + * Set the end point reference of target service + * @param to The end point reference of the service that the message targets + */ + void setTo(EndpointReference to); + + /** + * Returns the id of the message + * @return The message Id + */ + Object getMessageID(); + + /** + * Sets the id of the message + * @param messageId The message ID + */ + void setMessageID(Object messageId); + + /** + * Returns the correlation id of the message or null if one is not available. Correlation ids are used by transports + * for message routing. + * @return The correlation Id + */ + Object getCorrelationID(); + + /** + * Sets the correlation id of the message. Correlation ids are used by transports for message routing. + * @param correlationId The correlation Id + */ + void setCorrelationID(Object correlationId); + + /** + * Determines if the message represents a fault/exception + * + * @return true If the message body is a fault object, false if the body is a normal payload + */ + boolean isFault(); + + /** + * Set the message body with a fault object. After this method is called, isFault() returns true. + * + * @param fault The fault object represents an exception + */ + <T> void setFaultBody(T fault); + + /** + * Returns the conversational sequence the message is associated with, NONE, START, CONTINUE, or END on TargetInvoker} + * + * @return The conversational sequence the message is associated with + */ + ConversationSequence getConversationSequence(); + + /** + * Returns the conversational sequence the message is associated with, NONE, START, CONTINUE, or END + * + * @param sequence The conversational sequence + */ + void setConversationSequence(ConversationSequence sequence); + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/MessageFactory.java b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/MessageFactory.java new file mode 100644 index 0000000000..c2a9c488b8 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/MessageFactory.java @@ -0,0 +1,36 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.tuscany.sca.invocation; + + +/** + * A factory for messages + * + * @version $Rev $Date + */ +public interface MessageFactory { + + /** + * Creates a new message. + * + * @return The new message + */ + Message createMessage(); + +} |