diff options
Diffstat (limited to 'branches/sca-android/modules/core-android/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java')
| -rw-r--r-- | branches/sca-android/modules/core-android/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/branches/sca-android/modules/core-android/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java b/branches/sca-android/modules/core-android/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java deleted file mode 100644 index 50b4b59d73..0000000000 --- a/branches/sca-android/modules/core-android/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java +++ /dev/null @@ -1,247 +0,0 @@ -/*
- * 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.core.invocation;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.StringTokenizer;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
-import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
-import org.apache.tuscany.sca.invocation.Phase;
-import org.osoa.sca.ServiceRuntimeException;
-
-/**
- * @version $Rev: 632642 $ $Date: 2008-03-01 10:16:44 -0800 (Sat, 01 Mar 2008) $
- */
-public class PhaseManager {
- private static final Logger log = Logger.getLogger(PhaseManager.class.getName());
-
- public static final String STAGE_REFERENCE = "reference";
- public static final String STAGE_SERVICE = "service";
- public static final String STAGE_IMPLEMENTATION = "implementation";
- private final static String[] SYSTEM_REFERENCE_PHASES =
- {Phase.REFERENCE, Phase.REFERENCE_INTERFACE, Phase.REFERENCE_POLICY, Phase.REFERENCE_BINDING};
-
- private final static String[] SYSTEM_SERVICE_PHASES =
- {Phase.SERVICE_BINDING, Phase.SERVICE_POLICY, Phase.SERVICE_INTERFACE, Phase.SERVICE};
-
- private final static String[] SYSTEM_IMPLEMENTATION_PHASES = {Phase.IMPLEMENTATION_POLICY, Phase.IMPLEMENTATION};
-
- private String pattern = Phase.class.getName();
- private Map<String, Stage> stages;
- private List<String> phases;
-
- public class Stage {
- private String name;
- private PhaseSorter<String> sorter = new PhaseSorter<String>();
- private Set<String> firstSet = new HashSet<String>();
- private Set<String> lastSet = new HashSet<String>();
- private List<String> phases = new ArrayList<String>();
-
- public Stage(String name) {
- super();
- this.name = name;
- }
-
- public String getName() {
- return name;
- }
-
- public PhaseSorter<String> getSorter() {
- return sorter;
- }
-
- public Set<String> getFirstSet() {
- return firstSet;
- }
-
- public Set<String> getLastSet() {
- return lastSet;
- }
-
- public List<String> getPhases() {
- return phases;
- }
-
- public String toString() {
- return name + phases;
- }
- }
-
- // For unit test purpose
- PhaseManager(String pattern) {
- super();
- this.pattern = pattern;
- }
-
- public PhaseManager() {
- }
-
- private List<String> getPhases(String stage) {
- Stage s = getStages().get(stage);
- return s == null ? null : s.getPhases();
- }
-
- public List<String> getReferencePhases() {
- return getPhases(STAGE_REFERENCE);
- }
-
- public List<String> getServicePhases() {
- return getPhases(STAGE_SERVICE);
- }
-
- public List<String> getImplementationPhases() {
- return getPhases(STAGE_IMPLEMENTATION);
- }
-
- public List<String> getAllPhases() {
- if (phases == null) {
- phases = new ArrayList<String>();
- phases.addAll(getReferencePhases());
- phases.addAll(getServicePhases());
- phases.addAll(getImplementationPhases());
- }
- return phases;
- }
-
- public synchronized Map<String, Stage> getStages() {
- if (stages != null) {
- return stages;
- }
- init();
-
- Set<ServiceDeclaration> services;
- try {
- services = ServiceDiscovery.getInstance().getServiceDeclarations(pattern);
- } catch (IOException e) {
- throw new ServiceRuntimeException(e);
- }
-
- for (ServiceDeclaration d : services) {
- if (log.isLoggable(Level.FINE)) {
- log.fine(d.getResource() + ": " + d.getAttributes());
- }
- String name = d.getAttributes().get("name");
- if (name == null) {
- throw new ServiceRuntimeException("Required attribute 'name' is missing.");
- }
- String stageName = d.getAttributes().get("stage");
- if (stageName == null) {
- throw new ServiceRuntimeException("Required attribute 'stage' is missing.");
- }
- Stage stage = stages.get(stageName);
- if (stage == null) {
- throw new ServiceRuntimeException("Invalid stage: " + stage);
- }
- PhaseSorter<String> graph = stage.getSorter();
- Set<String> firstSet = stage.getFirstSet(), lastSet = stage.getLastSet();
-
- String before = d.getAttributes().get("before");
- String after = d.getAttributes().get("after");
- if (before != null) {
- StringTokenizer tokenizer = new StringTokenizer(before);
- while (tokenizer.hasMoreTokens()) {
- String p = tokenizer.nextToken();
- if (!"*".equals(p)) {
- graph.addEdge(name, p);
- } else {
- firstSet.add(name);
- }
- }
- }
- if (after != null) {
- StringTokenizer tokenizer = new StringTokenizer(after);
- while (tokenizer.hasMoreTokens()) {
- String p = tokenizer.nextToken();
- if (!"*".equals(p)) {
- graph.addEdge(p, name);
- } else {
- lastSet.add(name);
- }
- }
- }
- graph.addVertext(name);
- if(firstSet.size()>1) {
- log.warning("More than one phases are declared to be first: "+firstSet);
- }
- for (String s : firstSet) {
- for (String v : new HashSet<String>(graph.getVertices().keySet())) {
- if (!firstSet.contains(v)) {
- graph.addEdge(s, v);
- }
- }
- }
- if(lastSet.size()>1) {
- log.warning("More than one phases are declared to be the last: "+lastSet);
- }
- for (String s : lastSet) {
- for (String v : new HashSet<String>(graph.getVertices().keySet())) {
- if (!lastSet.contains(v)) {
- graph.addEdge(v, s);
- }
- }
- }
-
- }
-
- for (Stage s : stages.values()) {
- List<String> phases = s.getSorter().topologicalSort(false);
- s.getPhases().clear();
- s.getPhases().addAll(phases);
- }
- if (log.isLoggable(Level.FINE)) {
- log.fine("Stages: " + stages);
- }
- return stages;
- }
-
- private void init() {
- stages = new HashMap<String, Stage>();
-
- Stage referenceStage = new Stage(STAGE_REFERENCE);
- for (int i = 1; i < SYSTEM_REFERENCE_PHASES.length; i++) {
- referenceStage.getSorter().addEdge(SYSTEM_REFERENCE_PHASES[i - 1], SYSTEM_REFERENCE_PHASES[i]);
- }
- referenceStage.getLastSet().add(Phase.REFERENCE_BINDING);
- stages.put(referenceStage.getName(), referenceStage);
-
- Stage serviceStage = new Stage(STAGE_SERVICE);
- for (int i = 1; i < SYSTEM_SERVICE_PHASES.length; i++) {
- serviceStage.getSorter().addEdge(SYSTEM_SERVICE_PHASES[i - 1], SYSTEM_SERVICE_PHASES[i]);
- }
- stages.put(serviceStage.getName(), serviceStage);
-
- Stage implementationStage = new Stage(STAGE_IMPLEMENTATION);
- for (int i = 1; i < SYSTEM_IMPLEMENTATION_PHASES.length; i++) {
- implementationStage.getSorter().addEdge(SYSTEM_IMPLEMENTATION_PHASES[i - 1],
- SYSTEM_IMPLEMENTATION_PHASES[i]);
- }
- implementationStage.getLastSet().add(Phase.IMPLEMENTATION);
- stages.put(implementationStage.getName(), implementationStage);
- }
-}
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