/*
 * 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.oodt.cas.workflow.examples;

import org.apache.oodt.cas.metadata.Metadata;
import org.apache.oodt.cas.workflow.structs.WorkflowConditionConfiguration;
import org.apache.oodt.cas.workflow.structs.WorkflowConditionInstance;

public class CheckForMetadataKeys implements WorkflowConditionInstance {

    public boolean evaluate(Metadata metadata,
            WorkflowConditionConfiguration config) {
        String[] reqMetKeys = (config.getProperty("reqMetKeys") + ",")
                .split(",");
        for (String reqMetKey : reqMetKeys) {
            if (!metadata.containsKey(reqMetKey))
                return false;
        }
        return true;
    }

}