diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ReactorModelCache.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ReactorModelCache.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ReactorModelCache.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ReactorModelCache.java new file mode 100644 index 00000000..24425da1 --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ReactorModelCache.java @@ -0,0 +1,103 @@ +package org.apache.maven.project; + +/* + * 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.HashMap; +import java.util.Map; + +import org.apache.maven.model.building.ModelCache; + +/** + * A simple model cache used to accelerate model building during a reactor build. + * + * @author Benjamin Bentmann + */ +class ReactorModelCache + implements ModelCache +{ + + private final Map<CacheKey, Object> models = new HashMap<CacheKey, Object>( 256 ); + + public Object get( String groupId, String artifactId, String version, String tag ) + { + return models.get( new CacheKey( groupId, artifactId, version, tag ) ); + } + + public void put( String groupId, String artifactId, String version, String tag, Object data ) + { + models.put( new CacheKey( groupId, artifactId, version, tag ), data ); + } + + private static final class CacheKey + { + + private final String groupId; + + private final String artifactId; + + private final String version; + + private final String tag; + + private final int hashCode; + + public CacheKey( String groupId, String artifactId, String version, String tag ) + { + this.groupId = ( groupId != null ) ? groupId : ""; + this.artifactId = ( artifactId != null ) ? artifactId : ""; + this.version = ( version != null ) ? version : ""; + this.tag = ( tag != null ) ? tag : ""; + + int hash = 17; + hash = hash * 31 + this.groupId.hashCode(); + hash = hash * 31 + this.artifactId.hashCode(); + hash = hash * 31 + this.version.hashCode(); + hash = hash * 31 + this.tag.hashCode(); + hashCode = hash; + } + + @Override + public boolean equals( Object obj ) + { + if ( this == obj ) + { + return true; + } + + if ( !( obj instanceof CacheKey ) ) + { + return false; + } + + CacheKey that = (CacheKey) obj; + + return artifactId.equals( that.artifactId ) && groupId.equals( that.groupId ) + && version.equals( that.version ) && tag.equals( that.tag ); + } + + @Override + public int hashCode() + { + return hashCode; + } + + } + +} |