package it.nch.yava.rte.wfm.services.mapper;

/**
 * This operation is served by an asynchronous process.
 */
public class AsyncBPELProcessInfoSupplier extends ServiceInfoSupplier {
    private final boolean externalOperation;
    private final String servedQueueId;
    
    public AsyncBPELProcessInfoSupplier(final String servedQueueId, final boolean externalOperation) {
        checkParametersForValidity(servedQueueId, externalOperation);
        this.processName = processName;
        this.externalOperation = externalOperation;
        this.servedQueueId = servedQueueId;
    }
    
    private static void checkParametersForValidity(String servedQueueId, boolean externalOperation) {
        if (processName == null || servedQueueId == null) {
            throw new IllegalArgumentException("Arguments in AsyncBPELProcessInfoSupplier cannot be null!");
        }
    }

    /**
     * @return Returns if the process serves an "external" operation,
     * i.e. an external queue.
     */
    public boolean isExternalOperation() {
        return externalOperation;
    }
    
    /**
     * @return Returns the queue id from which the process read
     * its input.
     */
    public String getServedQueueId() {
        return servedQueueId;
    }

    public void accept(Visitor v) {
        v.visit(this);
    }
    
    @Override
    public boolean equals(Object obj) {
        boolean result = false;
        if (obj instanceof AsyncBPELProcessInfoSupplier) {
            AsyncBPELProcessInfoSupplier suppl = (AsyncBPELProcessInfoSupplier)obj;
            result = servedQueueId.equals(suppl.servedQueueId) && 
                externalOperation == suppl.externalOperation;
        }
        return result;
    }

    @Override
    public int hashCode() {
        int result = 17;
        result *= 37 + processName.hashCode();
        result *= 37 + servedQueueId.hashCode();
        result *= 37 + (externalOperation ? 1 : 0);
        return result;
    }

    @Override
    public String toString() {
        return "servedQueueId=[" + servedQueueId + "] externalOperation=[" + externalOperation + "]";
    }
}