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 /*
  * 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.
 */
package com.gh.bmd.jrt.invocation;
This is a special abstract implementation that centralizes the routine invocation inside a single method, which gets called only when all the inputs are available.

The implementing class may additionally override the invocation methods to specifically handle the object lifecycle. Note anyway that the superclass must be invoked in order to properly work.

Created by davide on 9/7/14.

Parameters:
<INPUT> the input data type.
<OUTPUT> the output data type.
public abstract class SingleCallInvocation<INPUT, OUTPUT>
        extends TemplateInvocation<INPUT, OUTPUT> {
    private ArrayList<INPUT> mInputs;

    
This method is called when all the inputs are available and ready to be processed.

Parameters:
inputs the input list.
result the result channel.
    public abstract void onCall(@Nonnull List<? extends INPUT> inputs,
            @Nonnull ResultChannel<OUTPUT> result);
    @Override
    public void onInput(final INPUT input, @Nonnull final ResultChannel<OUTPUT> result) {
        if ( == null) {
             = new ArrayList<INPUT>();
        }
        .add(input);
    }
    @Override
    public void onResult(@Nonnull final ResultChannel<OUTPUT> result) {
        final ArrayList<INPUT> inputs = ;
        final ArrayList<INPUT> clone;
        if (inputs == null) {
            clone = new ArrayList<INPUT>(0);
        } else {
            clone = new ArrayList<INPUT>(inputs);
        }
        onCall(cloneresult);
    }
    @Override
    public void onReturn() {
        final ArrayList<INPUT> inputs = ;
        if (inputs != null) {
            inputs.clear();
        }
    }
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