VehicleSeq.java

/*
WARNING: THIS FILE IS AUTO-GENERATED. DO NOT MODIFY.

This file was generated from .idl using "rtiddsgen".
The rtiddsgen tool is part of the RTI Connext distribution.
For more information, type 'rtiddsgen -help' at a command shell
or consult the RTI Connext manual.
*/

import java.util.Collection;

import com.rti.dds.infrastructure.Copyable;
import com.rti.dds.util.Enum;
import com.rti.dds.util.Sequence;
import com.rti.dds.util.LoanableSequence;

/**
* A sequence of Vehicle instances.
*/
public final class VehicleSeq extends LoanableSequence implements Copyable {
    // -----------------------------------------------------------------------
    // Package Fields
    // -----------------------------------------------------------------------

    /**
    * When a memory loan has been taken out in the lower layers of 
    * RTI Data Distribution Service, store a pointer to the native sequence here. 
    * That way, when we call finish(), we can give the memory back.
    */
    /*package*/ transient Sequence _loanedInfoSequence = null;

    // -----------------------------------------------------------------------
    // Public Fields
    // -----------------------------------------------------------------------

    // --- Constructors: -----------------------------------------------------

    public VehicleSeq() {
        super(Vehicle.class);
    }

    public VehicleSeq (int initialMaximum) {
        super(Vehicle.class, initialMaximum);
    }

    public VehicleSeq (Collection elements) {
        super(Vehicle.class, elements);
    }

    public  Vehicle get(int index) { 
        return (Vehicle) super.get(index); 
    }

    // --- From Copyable: ----------------------------------------------------

    /**
    * Copy data into <code>this</code> object from another.
    * The result of this method is that both <code>this</code>
    * and <code>src</code> will be the same size and contain the
    * same data.
    * 
    * @param src The Object which contains the data to be copied
    * @return <code>this</code>
    * @exception NullPointerException If <code>src</code> is null.
    * @exception ClassCastException If <code>src</code> is not a 
    * <code>Sequence</code> OR if one of the objects contained in
    * the <code>Sequence</code> is not of the expected type.
    * @see com.rti.dds.infrastructure.Copyable#copy_from(java.lang.Object)
    */
    public Object copy_from(Object src) {
        Sequence typedSrc = (Sequence) src;
        final int srcSize = typedSrc.size();
        final int origSize = size();

        // if this object's size is less than the source, ensure we have
        // enough room to store all of the objects
        if (getMaximum() < srcSize) {
            setMaximum(srcSize);
        }

        // trying to avoid clear() method here since it allocates memory
        // (an Iterator)
        // if the source object has fewer items than the current object,
        // remove from the end until the sizes are equal
        if (srcSize < origSize){
            removeRange(srcSize, origSize);
        }

        // copy the data from source into this (into positions that already
        // existed)
        for(int i = 0; (i < origSize) && (i < srcSize); i++){
            if (typedSrc.get(i) == null){
                set(i, null);
            } else {
                // check to see if our entry is null, if it is, a new instance has to be allocated
                if (get(i) == null){ 

                    set(i, Vehicle.create());
                }
                set(i, ((Copyable) get(i)).copy_from(typedSrc.get(i)));
            }
        }

        // copy 'new' Vehicle objects (beyond the original size of this object)
        for(int i = origSize; i < srcSize; i++){
            if (typedSrc.get(i) == null) {
                add(null);
            } else {
                // NOTE: we need to create a new object here to hold the copy
                add(Vehicle.create());
                // we need to do a set here since enums aren't truely Copyable
                set(i, ((Copyable) get(i)).copy_from(typedSrc.get(i)));
            }
        }

        return this;
    }

}