co.jirm.core.sql.MutableParameterized.java Source code

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Here is the source code for co.jirm.core.sql.MutableParameterized.java

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/**
 * 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 java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import static co.jirm.core.util.JirmPrecondition.check;

import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

public abstract class MutableParameterized<T> implements ParametersBuilder<T> {

    private final List<Object> parameters = Lists.newArrayList();
    private final Map<String, Object> nameParameters = Maps.newLinkedHashMap();

    @Override
    public ImmutableList<Object> getParameters() {
        return ImmutableList.copyOf(parameters);
    }

    @Override
    public ImmutableMap<String, Object> getNameParameters() {
        return ImmutableMap.copyOf(nameParameters);
    }

    @Override
    public T bind(String key, Object value) {
        check.argument(value != null, "Null is not allowed use Guava's Optional. Key: {}", key);
        nameParameters.put(key, value);
        return getSelf();
    }

    @Override
    public T with(Object... value) {
        int i = 0;
        for (Object v : value) {
            check.argument(v != null, "Null is not allowed use Guava's Optional. Index: {}", i);
            parameters.add(v);
            i++;
        }
        return getSelf();
    }

    protected abstract T getSelf();

    public T addAll(Parameters p) {
        check.argument(p != this, "Cannot pass 'this' object into its own addAll");
        //this.nameParameters.putAll(p.getNameParameters());
        this.parameters.addAll(p.mergedParameters());
        return getSelf();
    }

    public T bindAll(Map<String, Object> m) {
        for (Entry<String, Object> e : m.entrySet()) {
            Object o = e.getValue();
            if (o == null) {
                o = Optional.absent();
            }
            this.nameParameters.put(e.getKey(), o);
        }
        this.nameParameters.putAll(m);
        return getSelf();
    }

    @Override
    public String toString() {
        return "MutableParameterized [parameters=" + parameters + ", nameParameters=" + nameParameters + "]";
    }

}