// Path: totorom-tinkerpop2/src/main/java/org/jglue/totorom/Path.java
// public class Path extends ArrayList<Object> {
// 
// 	public <T> T get(int index, Class<T> clazz) {
// 		
// 		T object = (T) get(index);
// 		if(object instanceof TVertex) {
// 			return (T) ((TVertex) object).reframe((Class)clazz);
// 		}
// 		if(object instanceof TEdge) {
// 			return (T) ((TEdge) object).reframe((Class)clazz);
// 		}
// 		return object;
// 	}
// 
// }


import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import org.jglue.totorom.Path;
import com.tinkerpop.pipes.AbstractPipe;
import com.tinkerpop.pipes.Pipe;
import com.tinkerpop.pipes.PipeFunction;
import com.tinkerpop.pipes.transform.TransformPipe;
/**
 * Copyright 2014-Infinity Bryn Cooke
 *
 *    Licensed 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.
 *
 * This project is derived from code in the Tinkerpop project under the following licenses:
 *
 * Tinkerpop3
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Tinkerpop2
 * Copyright (c) 2009-Infinity, TinkerPop [http://tinkerpop.com]
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the TinkerPop nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL TINKERPOP BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.jglue.totorom.internal;




public class PathPipe<S> extends AbstractPipe<S, List> implements TransformPipe<S, List> {

    private final PipeFunction[] pathFunctions;

    public PathPipe(final PipeFunction... pathFunctions) {
        if (pathFunctions.length == 0) {
            this.pathFunctions = null;
        } else {
            this.pathFunctions = pathFunctions;
        }
    }

    public void setStarts(final Iterator<S> starts) {
        super.setStarts(starts);
        this.enablePath(true);
    }

    public List processNextStart() {
        if (this.starts instanceof Pipe) {
            this.starts.next();
            final List path = ((Pipe) this.starts).getCurrentPath();
            if (null == this.pathFunctions) {
                return path;
            } else {
// Path: totorom-tinkerpop2/src/main/java/org/jglue/totorom/Path.java
// public class Path extends ArrayList<Object> {
// 
// 	public <T> T get(int index, Class<T> clazz) {
// 		
// 		T object = (T) get(index);
// 		if(object instanceof TVertex) {
// 			return (T) ((TVertex) object).reframe((Class)clazz);
// 		}
// 		if(object instanceof TEdge) {
// 			return (T) ((TEdge) object).reframe((Class)clazz);
// 		}
// 		return object;
// 	}
// 
// }


// Path: totorom-tinkerpop2/src/main/java/org/jglue/totorom/internal/PathPipe.java
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import org.jglue.totorom.Path;
import com.tinkerpop.pipes.AbstractPipe;
import com.tinkerpop.pipes.Pipe;
import com.tinkerpop.pipes.PipeFunction;
import com.tinkerpop.pipes.transform.TransformPipe;

/**
 * Copyright 2014-Infinity Bryn Cooke
 *
 *    Licensed 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.
 *
 * This project is derived from code in the Tinkerpop project under the following licenses:
 *
 * Tinkerpop3
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Tinkerpop2
 * Copyright (c) 2009-Infinity, TinkerPop [http://tinkerpop.com]
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the TinkerPop nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL TINKERPOP BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.jglue.totorom.internal;




public class PathPipe<S> extends AbstractPipe<S, List> implements TransformPipe<S, List> {

    private final PipeFunction[] pathFunctions;

    public PathPipe(final PipeFunction... pathFunctions) {
        if (pathFunctions.length == 0) {
            this.pathFunctions = null;
        } else {
            this.pathFunctions = pathFunctions;
        }
    }

    public void setStarts(final Iterator<S> starts) {
        super.setStarts(starts);
        this.enablePath(true);
    }

    public List processNextStart() {
        if (this.starts instanceof Pipe) {
            this.starts.next();
            final List path = ((Pipe) this.starts).getCurrentPath();
            if (null == this.pathFunctions) {
                return path;
            } else {
                final List closedPath = new Path();