content: /**
   * Copyright (C) 2012 the original author or authors.
   *
   * 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 co.jirm.core.sql;
  
  import static co.jirm.core.util.JirmPrecondition.check;
  
  import com.google.common.collect.ImmutableList;
  import com.google.common.collect.ImmutableMap;
  
  
  public abstract class ImmutableParameterized<T> implements ParametersBuilder<T> {
  	
  	protected final ImmutableList<Object> parameters;
  	protected final ImmutableMap<String, Object> nameParameters;
  
  	public ImmutableParameterized() {
  		this(ImmutableList.<Object>of(), ImmutableMap.<String,Object>of());
  	}
  	
  	public ImmutableParameterized(ImmutableParameterized<?> child) {
  		this.parameters = child.parameters;
  		this.nameParameters = child.nameParameters;
  	}
  	
  	public ImmutableParameterized(ImmutableList<Object> parameters, ImmutableMap<String, Object> nameParameters) {
  		super();
  		this.parameters = parameters;
  		this.nameParameters = nameParameters;
  	}
  	
  	protected ImmutableParameterized(ImmutableParameterized<?> child, String key, Object value) {
  		this(child.parameters, addParameter(child, key, value));
  	}
  
  	protected static ImmutableMap<String, Object> addParameter(ImmutableParameterized<?> child, String key, Object value) {
  		check.argument( ! child.parameters.contains(key), 
  				"parameter has already been set: {}", key);
  		return ImmutableMap.<String,Object>builder()
  				.putAll(child.nameParameters).put(key, value).build();
  	}
  	
  	protected ImmutableParameterized(ImmutableParameterized<?> child, Object value) {
  		this(addParameter(child, value), child.nameParameters);
  	}
  
  	protected static ImmutableList<Object> addParameter(ImmutableParameterized<?> child, Object value) {
  		return ImmutableList.builder().addAll(child.parameters).add(value).build();
  	}
  	
  	public ImmutableList<Object> getParameters() {
  		return parameters;
  	}
  	
  	public ImmutableMap<String, Object> getNameParameters() {
  		return nameParameters;
  	}
  	
  	public abstract T bind(String key, Object value);
  	public abstract T with(Object ... value);
  	
  	public ImmutableList<Object> mergedParameters() {
  		return getParameters();
  	}
  	
  
  	@Override
  	public int hashCode() {
  		final int prime = 31;
  		int result = 1;
  		result = prime * result + ((nameParameters == null) ? 0 : nameParameters.hashCode());
  		result = prime * result + ((parameters == null) ? 0 : parameters.hashCode());
  		return result;
  	}
  
  	@Override
  	public boolean equals(Object obj) {
  		if (this == obj)
  			return true;
  		if (obj == null)
  			return false;
  		if (getClass() != obj.getClass())
  			return false;
  		@SuppressWarnings("rawtypes")
  		ImmutableParameterized other = (ImmutableParameterized) obj;
  		if (nameParameters == null) {
  			if (other.nameParameters != null)
  				return false;
  		}
  		else if (!nameParameters.equals(other.nameParameters))
  			return false;
  		if (parameters == null) {
  			if (other.parameters != null)
  				return false;
  		}
  		else if (!parameters.equals(other.parameters))
  			return false;
  		return true;
  	}
  	
  	
  	
  }
  