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maven-core-3.5.4.jar - Maven Core Module
maven-core-3.5.4.jar is the JAR file for Apache Maven 3.5.4 Core module.
Apache Maven is a software project management and comprehension tool.
JAR File Size and Download Location:
File: 2018-06-17 19:33 630101 lib\maven-core-3.5.4.jar Download: Apache Maven Website
✍: FYIcenter.com
⏎ org/apache/maven/session/scope/internal/SessionScope.java
package org.apache.maven.session.scope.internal; /* * 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. */ import java.util.Collections; import java.util.HashMap; import java.util.LinkedList; import java.util.Map; import com.google.inject.Key; import com.google.inject.OutOfScopeException; import com.google.inject.Provider; import com.google.inject.Scope; import com.google.inject.util.Providers; /** * SessionScope */ public class SessionScope implements Scope { /** * @since 3.3.0 */ public static class Memento { final Map<Key<?>, Provider<?>> seeded; Memento( final Map<Key<?>, Provider<?>> seeded ) { this.seeded = Collections.unmodifiableMap( new HashMap<>( seeded ) ); } } private static final Provider<Object> SEEDED_KEY_PROVIDER = new Provider<Object>() { public Object get() { throw new IllegalStateException(); } }; /** * ScopeState */ private static final class ScopeState { private final Map<Key<?>, Provider<?>> seeded = new HashMap<>(); private final Map<Key<?>, Object> provided = new HashMap<>(); } private final ThreadLocal<LinkedList<ScopeState>> values = new ThreadLocal<>(); public void enter() { LinkedList<ScopeState> stack = values.get(); if ( stack == null ) { stack = new LinkedList<>(); values.set( stack ); } stack.addFirst( new ScopeState() ); } /** * @since 3.3.0 */ public void enter( Memento memento ) { enter(); getScopeState().seeded.putAll( memento.seeded ); } private ScopeState getScopeState() { LinkedList<ScopeState> stack = values.get(); if ( stack == null || stack.isEmpty() ) { throw new IllegalStateException(); } return stack.getFirst(); } public void exit() { final LinkedList<ScopeState> stack = values.get(); if ( stack == null || stack.isEmpty() ) { throw new IllegalStateException(); } stack.removeFirst(); if ( stack.isEmpty() ) { values.remove(); } } /** * @since 3.3.0 */ public Memento memento() { LinkedList<ScopeState> stack = values.get(); return new Memento( stack != null ? stack.getFirst().seeded : Collections.<Key<?>, Provider<?>>emptyMap() ); } public <T> void seed( Class<T> clazz, Provider<T> value ) { getScopeState().seeded.put( Key.get( clazz ), value ); } public <T> void seed( Class<T> clazz, final T value ) { getScopeState().seeded.put( Key.get( clazz ), Providers.of( value ) ); } public <T> Provider<T> scope( final Key<T> key, final Provider<T> unscoped ) { return new Provider<T>() { @SuppressWarnings( "unchecked" ) public T get() { LinkedList<ScopeState> stack = values.get(); if ( stack == null || stack.isEmpty() ) { throw new OutOfScopeException( "Cannot access " + key + " outside of a scoping block" ); } ScopeState state = stack.getFirst(); Provider<?> seeded = state.seeded.get( key ); if ( seeded != null ) { return (T) seeded.get(); } T provided = (T) state.provided.get( key ); if ( provided == null && unscoped != null ) { provided = unscoped.get(); state.provided.put( key, provided ); } return provided; } }; } @SuppressWarnings( { "unchecked" } ) public static <T> Provider<T> seededKeyProvider() { return (Provider<T>) SEEDED_KEY_PROVIDER; } }
⏎ org/apache/maven/session/scope/internal/SessionScope.java
Â
⇒ maven-compat-3.5.4.jar - Maven Compact Module
⇠apache-maven-3.5.4-bin.zip - Apache Maven Binary Package
⇑ Downloading and Reviewing Maven JAR Files
⇑⇑ FAQ for Apache Maven
2020-10-26, 66716👍, 0💬
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