| /* |
| * 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.uima; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import org.apache.uima.analysis_engine.AnalysisEngine; |
| import org.apache.uima.analysis_engine.TextAnalysisEngine; |
| import org.apache.uima.collection.CasConsumer; |
| import org.apache.uima.collection.CasInitializer; |
| import org.apache.uima.collection.CollectionProcessingEngine; |
| import org.apache.uima.collection.CollectionProcessingManager; |
| import org.apache.uima.collection.CollectionReader; |
| import org.apache.uima.collection.metadata.CpeDescription; |
| import org.apache.uima.resource.ConfigurationManager; |
| import org.apache.uima.resource.Resource; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.apache.uima.resource.ResourceManager; |
| import org.apache.uima.resource.ResourceSpecifier; |
| import org.apache.uima.util.Logger; |
| import org.apache.uima.util.UimaTimer; |
| import org.apache.uima.util.XMLParser; |
| |
| /** |
| * This is an application's main interface point to the UIMA Framework. Static methods on this class |
| * allow the application to create instances of UIMA components. |
| * <p> |
| * This class also provides the ability to change the underlying UIMA implementation. All UIMA |
| * implementations must provide a subclass of <code>UIMAFramework</code> as part of their |
| * distribution. If you wish to use a UIMA implementation other than the default reference |
| * implementation, set the System property <code>uima.framework_impl</code> to the fully qualified |
| * class name of the <code>UIMAFramework</code> subclass that you wish to use. Note that this must |
| * be done prior to loading this class. If the <code>uima.framework_impl</code> property has not |
| * been set when this class is loaded, the default reference implementation will be used. |
| * |
| * |
| */ |
| public abstract class UIMAFramework { |
| /** |
| * Key to be used in the Properties object returned by |
| * {@link #getDefaultPerformanceTuningProperties()}. The value of this key represents the size of |
| * the initial CAS heap in terms of the number of cells (32 bits per cell). |
| */ |
| public static final String CAS_INITIAL_HEAP_SIZE = "cas_initial_heap_size"; |
| |
| /** |
| * Key to be used in the Properties object returned by |
| * {@link #getDefaultPerformanceTuningProperties()}. The value of this key indicates whether the |
| * ProcessTrace mechanism (which tracks the time spent in individual components of an aggregate AE |
| * or CPE) is enabled. A value of "true" (case insensitive) enables ProcessTrace; any other value |
| * disables process trace. |
| */ |
| public static final String PROCESS_TRACE_ENABLED = "process_trace_enabled"; |
| |
| /** |
| * Key to be used in the Properties object returned by |
| * {@link #getDefaultPerformanceTuningProperties()}. The value of this key indicates whether |
| * socket KeepAlive should be turned on (currently implemented only for Vinci clients). The |
| * default is true. A value of "false" (case insensitive) for this property disables the keepAlive; |
| * any other value leaves the default setting of true. |
| * @see java.net.Socket#setKeepAlive(boolean) |
| */ |
| public static final Object SOCKET_KEEPALIVE_ENABLED = "socket_keepalive_enabled"; |
| |
| /** |
| * To be implemented by subclasses; this should return a Properties object representing the |
| * default performance tuning settings for the framework. It must return a new Properties object |
| * each time it is called. |
| * |
| * @return default performance tuning properties |
| */ |
| protected abstract Properties _getDefaultPerformanceTuningProperties(); |
| |
| /** |
| * The singleton instance of <code>UIMAFramework</code> used by this application. The value of |
| * this field is determined by the <code>uima.framework_impl</code> System property. During this |
| * class's static initializer, a new instance of whatever class is named by this property will be |
| * created. If no value for this property is set, the default reference implementation ({@link org.apache.uima.impl.UIMAFramework_impl}) |
| * will be used. |
| */ |
| private static final UIMAFramework mInstance; |
| |
| /** |
| * The name of the <code>UIMAFramework</code> subclass for the UIMA reference implementation. An |
| * instance of this class will be created if the application does not supply a custom framework |
| * implementation. |
| */ |
| private static final String REF_IMPL_CLASS_NAME = "org.apache.uima.impl.UIMAFramework_impl"; |
| |
| /** |
| * Gets the framework implementation's version number as a string. This will be the major version |
| * number, minor version number, and build revision in that order, separated by dots. |
| * |
| * @return the version number string |
| */ |
| public static String getVersionString() { |
| return "" + getMajorVersion() + "." + getMinorVersion() + "." + getBuildRevision(); |
| } |
| |
| /** |
| * Gets the major version number of the framework implementation. |
| * |
| * @return the major version number |
| */ |
| public static short getMajorVersion() { |
| return getInstance()._getMajorVersion(); |
| } |
| |
| /** |
| * Gets the minor version number of the framework implementation. |
| * |
| * @return the minor version number |
| */ |
| public static short getMinorVersion() { |
| return getInstance()._getMinorVersion(); |
| } |
| |
| /** |
| * Gets the build revision number of the framework implementation. |
| * |
| * @return the build revision number |
| */ |
| public static short getBuildRevision() { |
| return getInstance()._getBuildRevision(); |
| } |
| |
| /** |
| * Get a reference to the <code>ResourceFactory</code>. Most applications do not need to deal |
| * with the <code>ResourceFactory</code> - instead one of the static <code>produce</code> |
| * methods on this class may be used to create Resources. |
| * <p> |
| * The framework's Resource Factory always implements {@link CompositeResourceFactory}. A |
| * composite resource factory produces resources by delegating to other {@link ResourceFactory} |
| * objects. Developers to register their own specialized <code>ResourceFactory</code> objects by |
| * calling the {@link CompositeResourceFactory#registerFactory(Class,ResourceFactory)} method. |
| * |
| * @return the <code>ResourceFactory</code> to be used by the application. |
| */ |
| public static CompositeResourceFactory getResourceFactory() { |
| return getInstance()._getResourceFactory(); |
| } |
| |
| /** |
| * Get a reference to the {@link ResourceSpecifierFactory}. This factory is used when |
| * constructing {@link ResourceSpecifier}s from scratch. |
| * <p> |
| * |
| * @return the <code>ResourceSpecifierFactory</code> to be used by the application. |
| */ |
| public static ResourceSpecifierFactory getResourceSpecifierFactory() { |
| return getInstance()._getResourceSpecifierFactory(); |
| } |
| |
| /** |
| * Get a reference to the UIMA {@link XMLParser}, which is used to parse |
| * {@link ResourceSpecifier} objects from their XML representations. |
| * |
| * @return the <code>XMLParser</code> to be used by the application. |
| */ |
| public static XMLParser getXMLParser() { |
| return getInstance()._getXMLParser(); |
| } |
| |
| /** |
| * Creates a new {@link CollectionProcessingManager} instance. The |
| * <code>CollectionProcessingManager</code> facilitates the development of applications that |
| * process collections of entities using an {@link AnalysisEngine}. |
| * |
| * @return a new <code>CollectionProcessingManager</code> instance to be used by the |
| * application. |
| */ |
| public static CollectionProcessingManager newCollectionProcessingManager() { |
| return getInstance()._newCollectionProcessingManager(null); |
| } |
| |
| /** |
| * Creates a new {@link CollectionProcessingManager} instance. The |
| * <code>CollectionProcessingManager</code> facilitates the development of applications that |
| * process collections of entities using an {@link AnalysisEngine}. |
| * |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this CPM. If not specified, the |
| * default one returned by {@link #newDefaultResourceManager()} will be used. |
| * |
| * @return a new <code>CollectionProcessingManager</code> instance to be used by the |
| * application. |
| */ |
| public static CollectionProcessingManager newCollectionProcessingManager( |
| ResourceManager aResourceManager) { |
| return getInstance()._newCollectionProcessingManager(aResourceManager); |
| } |
| |
| /** |
| * Produces an appropriate <code>Resource</code> instance from a <code>ResourceSpecifier</code>. |
| * The <code>ResourceSpecifier</code> may either specify how to construct a new instance or how |
| * to locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. For example this can be used to set performance-tuning |
| * settings as described in {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>Resource</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static Resource produceResource(ResourceSpecifier aSpecifier, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return produceResource(Resource.class, aSpecifier, aAdditionalParams); |
| } |
| |
| /** |
| * Produces an appropriate <code>Resource</code> instance of a specified class from a |
| * <code>ResourceSpecifier</code>. The <code>ResourceSpecifier</code> may either specify how |
| * to construct a new instance or how to locate an existing instance. |
| * |
| * @param aResourceClass |
| * a subclass of <code>Resource</code> to be produced. |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. For example this can be used to set performance-tuning |
| * settings as described in {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>Resource</code> instance. This will be a subclass of |
| * <code>aResourceClass</code>. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static Resource produceResource(Class aResourceClass, ResourceSpecifier aSpecifier, |
| Map aAdditionalParams) throws ResourceInitializationException { |
| Resource resource = getResourceFactory().produceResource(aResourceClass, aSpecifier, |
| aAdditionalParams); |
| if (resource == null) { |
| throw new ResourceInitializationException(ResourceInitializationException.DO_NOT_KNOW_HOW, |
| new Object[] { aResourceClass.getName(), aSpecifier.getSourceUrlString() }); |
| } |
| return resource; |
| } |
| |
| /** |
| * Produces an appropriate <code>Resource</code> instance of a specified class from a |
| * <code>ResourceSpecifier</code>. The <code>ResourceSpecifier</code> may either specify how |
| * to construct a new instance or how to locate an existing instance. |
| * |
| * @param aResourceClass |
| * a subclass of <code>Resource</code> to be produced. |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this analysis engine. If not |
| * specified, the default one returned by {@link #newDefaultResourceManager()} will be |
| * used. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. For example this can be used to set performance-tuning |
| * settings as described in {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>Resource</code> instance. This will be a subclass of |
| * <code>aResourceClass</code>. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static Resource produceResource(Class aResourceClass, ResourceSpecifier aSpecifier, |
| ResourceManager aResourceManager, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| // add ResourceManager to aAdditionalParams map |
| if (aResourceManager != null) { |
| if (aAdditionalParams == null) { |
| aAdditionalParams = new HashMap(); |
| } |
| aAdditionalParams.put(Resource.PARAM_RESOURCE_MANAGER, aResourceManager); |
| } |
| |
| return produceResource(aResourceClass, aSpecifier, aAdditionalParams); |
| } |
| |
| /** |
| * Produces an {@link AnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * <p> |
| * The AnalysisEngine returned from this method is not guaranteed to be able to process multiple |
| * simultaneous requests. See {@link #produceAnalysisEngine(ResourceSpecifier,int,int)} for more |
| * information. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>AnalysisEngine</code>. |
| * |
| * @return an <code>AnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static AnalysisEngine produceAnalysisEngine(ResourceSpecifier aSpecifier) |
| throws ResourceInitializationException { |
| return (AnalysisEngine) produceResource(AnalysisEngine.class, aSpecifier, null); |
| } |
| |
| /** |
| * Produces an {@link AnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>AnalysisEngine</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. Valid parameter names are defined as constants on the |
| * {@link AnalysisEngine} interface. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return an <code>AnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static AnalysisEngine produceAnalysisEngine(ResourceSpecifier aSpecifier, |
| Map aAdditionalParams) throws ResourceInitializationException { |
| return (AnalysisEngine) produceResource(AnalysisEngine.class, aSpecifier, aAdditionalParams); |
| } |
| |
| /** |
| * Produces an {@link AnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>AnalysisEngine</code>. |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this analysis engine. If not |
| * specified, the default one returned by {@link #newDefaultResourceManager()} will be |
| * used. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. Valid parameter names are defined as constants on the |
| * {@link AnalysisEngine} interface. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return an <code>AnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static AnalysisEngine produceAnalysisEngine(ResourceSpecifier aSpecifier, |
| ResourceManager aResourceManager, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return (AnalysisEngine) produceResource(AnalysisEngine.class, aSpecifier, aResourceManager, |
| aAdditionalParams); |
| } |
| |
| /** |
| * Produces an {@link AnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * <p> |
| * This version of <code>produceAnalysisEngine</code> allows the convenient creation of |
| * AnalysisEngines that can handle multiple simultaneous requests. Using this method is equivalent |
| * to using {@link #produceAnalysisEngine(ResourceSpecifier,Map)} and including values for |
| * {@link AnalysisEngine#PARAM_NUM_SIMULTANEOUS_REQUESTS} and |
| * {@link AnalysisEngine#PARAM_TIMEOUT_PERIOD} in the parameter map. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>AnalysisEngine</code>. |
| * @param aMaxSimultaneousRequests |
| * the number of simultaneous requests that this AnalysisEngine should be able to |
| * process. The value for this parameter should be chosen careful - see the JavaDocs for |
| * {@link AnalysisEngine#PARAM_NUM_SIMULTANEOUS_REQUESTS}. |
| * @param aTimeoutPeriod - |
| * when the number of simultaneous requests exceeds <code>aMaxSimultaneousReqeusts</code>, |
| * additional requests will wait for other requests to finish. This parameter determines |
| * the maximum number of milliseconds that a new request should wait before throwing an |
| * exception - a value of 0 will cause them to wait forever. See the JavaDocs for |
| * {@link AnalysisEngine#PARAM_TIMEOUT_PERIOD}. |
| * |
| * @return an <code>AnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static AnalysisEngine produceAnalysisEngine(ResourceSpecifier aSpecifier, |
| int aMaxSimultaneousRequests, int aTimeoutPeriod) throws ResourceInitializationException { |
| // add parameters to the aAdditionalParams map |
| Map aAdditionalParams = new HashMap(); |
| |
| aAdditionalParams.put(AnalysisEngine.PARAM_NUM_SIMULTANEOUS_REQUESTS, new Integer( |
| aMaxSimultaneousRequests)); |
| aAdditionalParams.put(AnalysisEngine.PARAM_TIMEOUT_PERIOD, new Integer(aTimeoutPeriod)); |
| |
| return (AnalysisEngine) produceResource(AnalysisEngine.class, aSpecifier, aAdditionalParams); |
| } |
| |
| /** |
| * Produces a {@link TextAnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * <p> |
| * The TextAnalysisEngine returned from this method is not guaranteed to be able to process |
| * multiple simultaneous requests. See {@link #produceTAE(ResourceSpecifier,int,int)} for more |
| * information. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>TextAnalysisEngine</code>. |
| * |
| * @return a <code>TextAnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| * |
| * @deprecated As of v2.0, {@link #produceAnalysisEngine(ResourceSpecifier)} should be used |
| * instead. |
| */ |
| public static TextAnalysisEngine produceTAE(ResourceSpecifier aSpecifier) |
| throws ResourceInitializationException { |
| return (TextAnalysisEngine) produceResource(TextAnalysisEngine.class, aSpecifier, null); |
| } |
| |
| /** |
| * Produces a {@link TextAnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>TextAnalysisEngine</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. Valid parameter names are defined as constants on the |
| * {@link AnalysisEngine} interface. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>TextAnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| * |
| * @deprecated As of v2.0, {@link #produceAnalysisEngine(ResourceSpecifier,Map)} should be used |
| * instead. |
| */ |
| public static TextAnalysisEngine produceTAE(ResourceSpecifier aSpecifier, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return (TextAnalysisEngine) produceResource(TextAnalysisEngine.class, aSpecifier, |
| aAdditionalParams); |
| } |
| |
| /** |
| * Produces an {@link TextAnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>TextAnalysisEngine</code>. |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this analysis engine. If not |
| * specified, the default one returned by {@link #newDefaultResourceManager()} will be |
| * used. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. Valid parameter names are defined as constants on the |
| * {@link AnalysisEngine} interface. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>TextAnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| * |
| * @deprecated As of v2.0, {@link #produceAnalysisEngine(ResourceSpecifier,ResourceManager,Map)} |
| * should be used instead. |
| */ |
| public static TextAnalysisEngine produceTAE(ResourceSpecifier aSpecifier, |
| ResourceManager aResourceManager, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return (TextAnalysisEngine) produceResource(TextAnalysisEngine.class, aSpecifier, |
| aResourceManager, aAdditionalParams); |
| } |
| |
| /** |
| * Produces a {@link TextAnalysisEngine} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * <p> |
| * This version of <code>produceTAE</code> allows the convenient creation of TAEs that can |
| * handle multiple simultaneous requests. Using this method is equivalent to using |
| * {@link #produceTAE(ResourceSpecifier,Map)} and including values for |
| * {@link AnalysisEngine#PARAM_NUM_SIMULTANEOUS_REQUESTS} and |
| * {@link AnalysisEngine#PARAM_TIMEOUT_PERIOD} in the parameter map. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>TextAnalysisEngine</code>. |
| * @param aMaxSimultaneousRequests |
| * the number of simultaneous requests that this TAE should be able to process. The value |
| * for this parameter should be chosen careful - see the JavaDocs for |
| * {@link AnalysisEngine#PARAM_NUM_SIMULTANEOUS_REQUESTS}. |
| * @param aTimeoutPeriod - |
| * when the number of simultaneous requests exceeds <code>aMaxSimultaneousReqeusts</code>, |
| * additional requests will wait for other requests to finish. This parameter determines |
| * the maximum number of milliseconds that a new request should wait before throwing an |
| * exception - a value of 0 will cause them to wait forever. See the JavaDocs for |
| * {@link AnalysisEngine#PARAM_TIMEOUT_PERIOD}. |
| * |
| * @return a <code>TextAnalysisEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| * |
| * @deprecated As of v2.0, {@link #produceAnalysisEngine(ResourceSpecifier,int,int)} should be |
| * used instead. |
| */ |
| public static TextAnalysisEngine produceTAE(ResourceSpecifier aSpecifier, |
| int aMaxSimultaneousRequests, int aTimeoutPeriod) throws ResourceInitializationException { |
| // add parameters to the aAdditionalParams map |
| Map aAdditionalParams = new HashMap(); |
| |
| aAdditionalParams.put(AnalysisEngine.PARAM_NUM_SIMULTANEOUS_REQUESTS, new Integer( |
| aMaxSimultaneousRequests)); |
| aAdditionalParams.put(AnalysisEngine.PARAM_TIMEOUT_PERIOD, new Integer(aTimeoutPeriod)); |
| |
| return (TextAnalysisEngine) produceResource(TextAnalysisEngine.class, aSpecifier, |
| aAdditionalParams); |
| } |
| |
| /** |
| * Produces a {@link CasConsumer} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CasConsumer</code>. |
| * |
| * @return a <code>CasConsumer</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CasConsumer produceCasConsumer(ResourceSpecifier aSpecifier) |
| throws ResourceInitializationException { |
| return (CasConsumer) produceResource(CasConsumer.class, aSpecifier, null); |
| } |
| |
| /** |
| * Produces a {@link CasConsumer} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CasConsumer</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. For example this can be used to set performance-tuning |
| * settings as described in {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>CasConsumer</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CasConsumer produceCasConsumer(ResourceSpecifier aSpecifier, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return (CasConsumer) produceResource(CasConsumer.class, aSpecifier, aAdditionalParams); |
| } |
| |
| /** |
| * Produces an {@link CasConsumer} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CasConsumer</code>. |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this CasConsumer. If not specified, |
| * the default one returned by {@link #newDefaultResourceManager()} will be used. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. Valid parameter names are defined as constants on the |
| * {@link CasConsumer} interface. For example this can be used to set performance-tuning |
| * settings as described in {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return an <code>CasConsumer</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CasConsumer produceCasConsumer(ResourceSpecifier aSpecifier, |
| ResourceManager aResourceManager, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return (CasConsumer) produceResource(CasConsumer.class, aSpecifier, aResourceManager, |
| aAdditionalParams); |
| } |
| |
| /** |
| * Produces a {@link CollectionReader} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CollectionReader</code>. |
| * |
| * @return a <code>CollectionReader</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CollectionReader produceCollectionReader(ResourceSpecifier aSpecifier) |
| throws ResourceInitializationException { |
| return (CollectionReader) produceResource(CollectionReader.class, aSpecifier, null); |
| } |
| |
| /** |
| * Produces a {@link CollectionReader} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CollectionReader</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. For example this can be used to set performance-tuning |
| * settings as described in {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>CollectionReader</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CollectionReader produceCollectionReader(ResourceSpecifier aSpecifier, |
| Map aAdditionalParams) throws ResourceInitializationException { |
| return (CollectionReader) produceResource(CollectionReader.class, aSpecifier, aAdditionalParams); |
| } |
| |
| /** |
| * Produces an {@link CollectionReader} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CollectionReader</code>. |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this CollectionReader. If not |
| * specified, the default one returned by {@link #newDefaultResourceManager()} will be |
| * used. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. Valid parameter names are defined as constants on the |
| * {@link CollectionReader} interface. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return an <code>CollectionReader</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CollectionReader produceCollectionReader(ResourceSpecifier aSpecifier, |
| ResourceManager aResourceManager, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return (CollectionReader) produceResource(CollectionReader.class, aSpecifier, aResourceManager, |
| aAdditionalParams); |
| } |
| |
| /** |
| * Produces a {@link CasInitializer} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CasInitializer</code>. |
| * |
| * @return a <code>CasInitializer</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| * |
| * @deprecated As of v2.0, CAS Initializers are deprecated. A component that performs an operation |
| * like HTML detagging should instead be implemented as a "multi-Sofa" annotator. See |
| * {@link org.apache.uima.examples.XmlDetagger} for an example. |
| */ |
| public static CasInitializer produceCasInitializer(ResourceSpecifier aSpecifier) |
| throws ResourceInitializationException { |
| return (CasInitializer) produceResource(CasInitializer.class, aSpecifier, null); |
| } |
| |
| /** |
| * Produces a {@link CasInitializer} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CasInitializer</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. For example this can be used to set performance-tuning |
| * settings as described in {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>CasInitializer</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CasInitializer produceCasInitializer(ResourceSpecifier aSpecifier, |
| Map aAdditionalParams) throws ResourceInitializationException { |
| return (CasInitializer) produceResource(CasInitializer.class, aSpecifier, aAdditionalParams); |
| } |
| |
| /** |
| * Produces an {@link CasInitializer} instance from a <code>ResourceSpecifier</code>. The |
| * <code>ResourceSpecifier</code> may either specify how to construct a new instance or how to |
| * locate an existing instance. |
| * |
| * @param aSpecifier |
| * an object that specifies how to acquire an instance of a <code>Resource</code>. |
| * This must specify a subclass of <code>CasInitializer</code>. |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this CasInitializer. If not |
| * specified, the default one returned by {@link #newDefaultResourceManager()} will be |
| * used. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link Resource#initialize(ResourceSpecifier,Map)} method. May be <code>null</code> |
| * if there are no parameters. Valid parameter names are defined as constants on the |
| * {@link CasInitializer} interface. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return an <code>CasInitializer</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the resource. |
| */ |
| public static CasInitializer produceCasInitializer(ResourceSpecifier aSpecifier, |
| ResourceManager aResourceManager, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return (CasInitializer) produceResource(CasInitializer.class, aSpecifier, aResourceManager, |
| aAdditionalParams); |
| } |
| |
| /** |
| * Produces a {@link CollectionProcessingEngine} instance from a <code>cpeDescription</code>. |
| * |
| * @param aCpeDescription |
| * an object that specifies how to create an instance of a |
| * <code>CollectionProcessingEngine</code>. |
| * |
| * @return a <code>CollectionProcessingEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the CPE. |
| */ |
| public static CollectionProcessingEngine produceCollectionProcessingEngine( |
| CpeDescription aCpeDescription) throws ResourceInitializationException { |
| return getInstance()._produceCollectionProcessingEngine(aCpeDescription, null); |
| } |
| |
| /** |
| * Produces a {@link CollectionProcessingEngine} instance from a <code>cpeDescription</code>. |
| * |
| * @param aCpeDescription |
| * an object that specifies how to create an instance of a |
| * <code>CollectionProcessingEngine</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link CollectionProcessingEngine#initialize(CpeDescription,Map)} method. May be |
| * <code>null</code> if there are no parameters. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>CollectionProcessingEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the CPE. |
| */ |
| public static CollectionProcessingEngine produceCollectionProcessingEngine( |
| CpeDescription aCpeDescription, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| return getInstance()._produceCollectionProcessingEngine(aCpeDescription, aAdditionalParams); |
| } |
| |
| /** |
| * Produces a {@link CollectionProcessingEngine} instance from a <code>cpeDescription</code>. |
| * |
| * @param aCpeDescription |
| * an object that specifies how to create an instance of a |
| * <code>CollectionProcessingEngine</code>. |
| * @param aResourceManager |
| * the <code>ResourceManager</code> to be used by this CollectionProcessingEngine. If |
| * not specified, the default one returned by {@link #newDefaultResourceManager()} will |
| * be used. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link CollectionProcessingEngine#initialize(CpeDescription,Map)} method. May be |
| * <code>null</code> if there are no parameters. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>CollectionProcessingEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the CPE. |
| */ |
| public static CollectionProcessingEngine produceCollectionProcessingEngine( |
| CpeDescription aCpeDescription, ResourceManager aResourceManager, Map aAdditionalParams) |
| throws ResourceInitializationException { |
| if (aResourceManager != null) { |
| if (aAdditionalParams == null) { |
| aAdditionalParams = new HashMap(); |
| } |
| aAdditionalParams.put(Resource.PARAM_RESOURCE_MANAGER, aResourceManager); |
| } |
| return getInstance()._produceCollectionProcessingEngine(aCpeDescription, aAdditionalParams); |
| } |
| |
| /** |
| * Gets the {@link org.apache.uima.util.Logger} used by the UIMA framework. An application won't |
| * generally write to this logger, although nothing is stopping it from doing so. |
| * <p> |
| * In the UIMA SDK, the logger is implemented using the Java 1.4 logger as a back end. If you want |
| * to configure the logger, for example to specify the location of the log file and the logging |
| * level, you should use the standard Java 1.4 logger properties or the java.util.logging APIs. |
| * See the section "Specifying the Logging Configuration" in the Annotator and Analysis Engine |
| * Developer's Guide chapter of the UIMA documentation for more information. |
| * |
| * @return the default Logger used by UIMA components |
| */ |
| public static Logger getLogger() { |
| return getInstance()._getLogger(); |
| } |
| |
| /** |
| * Gets the {@link org.apache.uima.util.Logger} used by a particular Class, for example an |
| * Annotator. An application won't generally write to this logger, although nothing is stopping it |
| * from doing so. |
| * <p> |
| * In the UIMA SDK, the logger is implemented using the Java 1.4 logger as a back end. If you want |
| * to configure the logger, for example to specify the location of the log file and the logging |
| * level, you should use the standard Java 1.4 logger properties or the java.util.logging APIs. |
| * See the section "Specifying the Logging Configuration" in the Annotator and Analysis Engine |
| * Developer's Guide chapter of the UIMA documentation for more information. |
| * |
| * @param component |
| * the Class for a component, for example an Annotator or CAS Consumer |
| * |
| * @return the Logger used by the specified component class |
| */ |
| public static Logger getLogger(Class component) { |
| return getInstance()._getLogger(component); |
| } |
| |
| /** |
| * Creates a new {@link org.apache.uima.util.Logger}, which can be passed for example to the |
| * {@link AnalysisEngine#setLogger(Logger)} method in order to have separate Analysis Engine |
| * instances used separate loggers. |
| * |
| * @return a new Logger instance |
| * |
| * @see #getLogger() |
| */ |
| public static Logger newLogger() { |
| return getInstance()._newLogger(); |
| } |
| |
| /** |
| * Creates a new {@link org.apache.uima.util.UimaTimer}, which is used to collect performance |
| * statistics for UIMA components. |
| * |
| * @return a new Timer instance |
| */ |
| public static UimaTimer newTimer() { |
| return getInstance()._newTimer(); |
| } |
| |
| /** |
| * Gets a new instance of the default {@link ResourceManager} used by this implementation. An |
| * application can configure this ResourceManager and then pass it to the |
| * {@link #produceAnalysisEngine(ResourceSpecifier,ResourceManager,Map)} method. |
| * |
| * @return a new <code>ResourceManager</code> to be used by the application. |
| */ |
| public static ResourceManager newDefaultResourceManager() { |
| return getInstance()._newDefaultResourceManager(); |
| } |
| |
| /** |
| * Gets a new instance of the {@link ConfigurationManager} used by this implementation. This will |
| * be used by Resources to manage access to their configuration parameters. |
| * |
| * @return a new <code>ConfigurationManager</code> to be used by the application. |
| */ |
| public static ConfigurationManager newConfigurationManager() { |
| return getInstance()._newConfigurationManager(); |
| } |
| |
| /** |
| * Gets a new instance of a {@link UimaContext}. Applications do not generally need to call this |
| * method. |
| * |
| * @param aLogger |
| * the logger that will be returned by this UimaContext's {@link #getLogger()} method. |
| * @param aResourceManager |
| * the ResourceManager that will be used by this UimaContext to locate and access |
| * external resource. |
| * @param aConfigManager |
| * the ConfigurationManager that will be used by this UimaContext to manage Configuration |
| * Parameter settings. |
| * |
| * @return a new UIMA Context to be used by the application. |
| */ |
| public static UimaContextAdmin newUimaContext(Logger aLogger, ResourceManager aResourceManager, |
| ConfigurationManager aConfigManager) { |
| UimaContextAdmin context = getInstance()._newUimaContext(); |
| context.initializeRoot(aLogger, aResourceManager, aConfigManager); |
| return context; |
| } |
| |
| /** |
| * Gets the default performance tuning settings for the framework. Advanced users can tweak the |
| * framework by modifying these properties and passing the modified Properties object into the |
| * {@link #produceTAE(ResourceSpecifier,Map)} or |
| * {@link #produceCollectionProcessingEngine(CpeDescription,Map)} methods by putting it into the |
| * <code>aAdditionalParams</code> map under the key |
| * {@link Resource#PARAM_PERFORMANCE_TUNING_SETTINGS}. For example, the following code set the |
| * initial heap size allocated in the CAS to 100,000: |
| * |
| * <pre> |
| * Properties perfProps = UIMAFramework.getDefaultPerformanceTuningProperties(); |
| * perfProps.setProperty(UIMAFramework.CAS_INITIAL_HEAP_SIZE, "100000"); |
| * HashMap params = new HashMap(); |
| * params.put(Resource.PARAM_PERFORMANCE_TUNING_SETTINGS, uimaPerfProps); |
| * AnalysisEngine ae = UIMAFramework.produceAnalysisEngine(specifier, params); |
| * </pre> |
| * |
| * <p> |
| * Valid keys for the {@link Properties} object rerturned by this method are specified as |
| * constants on this interface. |
| * |
| * @return the default set of performance tuning properties. A new object is returned each time |
| * this method is called, so changes made to the returned objects will not affect other |
| * callers. |
| */ |
| public static Properties getDefaultPerformanceTuningProperties() { |
| return getInstance()._getDefaultPerformanceTuningProperties(); |
| } |
| |
| /** |
| * Gets the <code>UIMAFramework</code> instance currently in use. |
| * |
| * @return the <code>UIMAFramework</code> instance currently in use |
| */ |
| protected static synchronized UIMAFramework getInstance() { |
| return mInstance; |
| } |
| |
| /** |
| * To be implemented by subclasses; this should return the major version number of this |
| * implementation. |
| * |
| * @return the major version number |
| */ |
| protected abstract short _getMajorVersion(); |
| |
| /** |
| * To be implemented by subclasses; this should return the minor version number of this |
| * implementation. |
| * |
| * @return the minor version number |
| */ |
| protected abstract short _getMinorVersion(); |
| |
| /** |
| * To be implemented by subclasses; called from this class's static initializer to complete |
| * initialization of the singleton instance. This initialization is done outside the constructor |
| * so that the {@link #getInstance()} method can be used during initialization. |
| * |
| * @throws Exception |
| * if initialization fails |
| */ |
| protected abstract void _initialize() throws Exception; |
| |
| /** |
| * To be implemented by subclasses; this should return the build revision number of this |
| * implementation. |
| * |
| * @return the build revision number |
| */ |
| protected abstract short _getBuildRevision(); |
| |
| /** |
| * To be implemented by subclasses; this should return a reference to the |
| * <code>ResourceFactory</code> used by this implementation, which must implement |
| * {@link CompositeResourceFactory}. |
| * |
| * @return the <code>ResourceFactory</code> to be used by the application |
| */ |
| protected abstract CompositeResourceFactory _getResourceFactory(); |
| |
| /** |
| * To be implemented by subclasses; this should return a reference to the |
| * <code>ResourceSpecifierFactory</code> used by this implementation. |
| * |
| * @return the <code>ResourceSpecifierFactory</code> to be used by the application. |
| */ |
| protected abstract ResourceSpecifierFactory _getResourceSpecifierFactory(); |
| |
| /** |
| * To be implemented by subclasses; this should return a reference to the UIMA {@link XMLParser} |
| * used by this implementation. |
| * |
| * @return the <code>XMLParser</code> to be used by the application. |
| */ |
| protected abstract XMLParser _getXMLParser(); |
| |
| /** |
| * To be implemented by subclasses; this should create a new instance of a class implementing |
| * {@link CollectionProcessingManager}. |
| * |
| * @param aResourceManager |
| * the ResourceManager to be used by the CPM |
| * |
| * @return a new <code>CollectionProcessingManager</code> to be used by the application. |
| */ |
| protected abstract CollectionProcessingManager _newCollectionProcessingManager( |
| ResourceManager aResourceManager); |
| |
| /** |
| * To be implemented by subclasses; this should return a reference to the default UIMA |
| * {@link Logger} used by this implementation. |
| * |
| * @return the default <code>Logger</code> used by this implementation |
| */ |
| protected abstract Logger _getLogger(); |
| |
| /** |
| * To be implemented by subclasses; this should return a reference to the UIMA {@link Logger} of |
| * the specified source class. |
| * |
| * @return the <code>Logger</code> of the specified source class |
| */ |
| protected abstract Logger _getLogger(Class component); |
| |
| /** |
| * To be implemented by subclasses; this should return a new UIMA {@link Logger} instance. |
| * |
| * @return a new <code>Logger</code> instance |
| */ |
| protected abstract Logger _newLogger(); |
| |
| /** |
| * To be implemented by subclasses; this should return a new UIMA {@link UimaTimer} instance. |
| * |
| * @return a new <code>Timer</code> instance |
| */ |
| protected abstract UimaTimer _newTimer(); |
| |
| /** |
| * To be implemented by subclasses; this should return a new instance of the default |
| * {@link ResourceManager} used by this implementation. |
| * |
| * @return a new <code>ResourceManager</code> to be used by the application. |
| */ |
| protected abstract ResourceManager _newDefaultResourceManager(); |
| |
| /** |
| * To be implemented by subclasses; this should return a new instance of the default |
| * {@link ConfigurationManager} used by this implementation. |
| * |
| * @return a new <code>ConfigurationManager</code> to be used by the application. |
| */ |
| protected abstract ConfigurationManager _newConfigurationManager(); |
| |
| /** |
| * To be implemented by subclasses; this should return a new instance of the default |
| * {@link UimaContextAdmin} used by this implementation. |
| * |
| * @return a new <code>UimaContextAdmin</code> to be used by the application. |
| */ |
| protected abstract UimaContextAdmin _newUimaContext(); |
| |
| /** |
| * To be implemented by subclasses; this should produce a {@link CollectionProcessingEngine} |
| * instance from a <code>cpeDescription</code>. |
| * |
| * @param aCpeDescription |
| * an object that specifies how to create an instance of a |
| * <code>CollectionProcessingEngine</code>. |
| * @param aAdditionalParams |
| * a Map containing additional parameters to pass to the |
| * {@link CollectionProcessingEngine#initialize(CpeDescription,Map)} method. May be |
| * <code>null</code> if there are no parameters. For example this can be used to set |
| * performance-tuning settings as described in |
| * {@link #getDefaultPerformanceTuningProperties()}. |
| * |
| * @return a <code>CollectionProcessingEngine</code> instance. |
| * |
| * @throws ResourceInitializationException |
| * if a failure occurred during production of the CPE. |
| */ |
| protected abstract CollectionProcessingEngine _produceCollectionProcessingEngine( |
| CpeDescription aCpeDescription, Map aAdditionalParams) |
| throws ResourceInitializationException; |
| |
| static { |
| // intall framework implementation |
| String frameworkClassName = null; |
| try { |
| frameworkClassName = System.getProperty("uima.framework_impl"); |
| } catch (SecurityException e) { |
| // can't access system properties |
| } |
| |
| if (frameworkClassName == null) { |
| frameworkClassName = REF_IMPL_CLASS_NAME; // use default |
| } |
| try { |
| Class implClass = Class.forName(frameworkClassName); |
| mInstance = (UIMAFramework) implClass.newInstance(); |
| mInstance._initialize(); |
| } catch (Exception e) { |
| // could not load reference implementation |
| throw new UIMA_IllegalStateException(UIMA_IllegalStateException.COULD_NOT_CREATE_FRAMEWORK, |
| new Object[] { frameworkClassName }, e); |
| } |
| } |
| } |
