/*
* 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.stanbol.enhancer.servicesapi.helper.execution;
import org.apache.clerezza.commons.rdf.BlankNodeOrIRI;
import org.apache.clerezza.commons.rdf.Graph;
import org.apache.stanbol.enhancer.servicesapi.helper.ExecutionPlanHelper;
/**
* An ExecutionNode of the ExecutionPlan.
* @author Rupert Westenthaler
*
*/
public class ExecutionNode {
final BlankNodeOrIRI node;
private final Graph ep;
private final boolean optional;
private final String engineName;
public ExecutionNode(Graph executionPlan, BlankNodeOrIRI node) {
this.node = node;
this.ep = executionPlan;
this.optional = ExecutionPlanHelper.isOptional(ep, node);
this.engineName = ExecutionPlanHelper.getEngine(ep, node);
}
/**
* If the execution of this node is optional
* @return
*/
public boolean isOptional() {
return optional;
}
/**
* The name of the Engine to be executed by this node
* @return
*/
public String getEngineName() {
return engineName;
}
@Override
public int hashCode() {
return node.hashCode();
}
@Override
public boolean equals(Object o) {
return o instanceof ExecutionNode && ((ExecutionNode)o).node.equals(node);
}
}