/*******************************************************************************
 * Copyright 2013 SAP AG
 * 
 * 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.sap.core.odata.processor.core.jpa.model;

import javax.persistence.metamodel.Metamodel;

import com.sap.core.odata.processor.api.jpa.ODataJPAContext;
import com.sap.core.odata.processor.api.jpa.access.JPAEdmBuilder;
import com.sap.core.odata.processor.api.jpa.exception.ODataJPAModelException;
import com.sap.core.odata.processor.api.jpa.exception.ODataJPARuntimeException;
import com.sap.core.odata.processor.api.jpa.model.JPAEdmModelView;
import com.sap.core.odata.processor.api.jpa.model.JPAEdmSchemaView;

public class JPAEdmModel extends JPAEdmBaseViewImpl implements JPAEdmModelView {

  protected JPAEdmSchemaView schemaView;

  public JPAEdmModel(final Metamodel metaModel, final String pUnitName) {
    super(metaModel, pUnitName);
  }

  public JPAEdmModel(final ODataJPAContext ctx) {
    super(ctx);
  }

  @Override
  public JPAEdmSchemaView getEdmSchemaView() {
    return schemaView;
  }

  @Override
  public JPAEdmBuilder getBuilder() {
    if (builder == null) {
      builder = new JPAEdmModelBuilder();
    }

    return builder;
  }

  private class JPAEdmModelBuilder implements JPAEdmBuilder {

    @Override
    public void build() throws ODataJPAModelException, ODataJPARuntimeException {
      schemaView = new JPAEdmSchema(JPAEdmModel.this);
      schemaView.getBuilder().build();
    }

  }
}