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The MongoDB Java Driver uber-artifact, containing mongodb-driver, mongodb-driver-core, and bson

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/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * 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 org.bson.codecs.pojo;

import org.bson.codecs.Codec;

/**
 * Represents a property on a class and stores various metadata such as generic parameters
 *
 * @param  the type of the property that the PropertyModel represents.
 * @since 3.5
 */
public final class PropertyModel {
    private final String name;
    private final String readName;
    private final String writeName;
    private final TypeData typeData;
    private final Codec codec;
    private final PropertySerialization propertySerialization;
    private final Boolean useDiscriminator;
    private final PropertyAccessor propertyAccessor;
    private final String error;
    private volatile Codec cachedCodec;

    PropertyModel(final String name, final String readName, final String writeName, final TypeData typeData,
                  final Codec codec, final PropertySerialization propertySerialization, final Boolean useDiscriminator,
                  final PropertyAccessor propertyAccessor, final String error) {
        this.name = name;
        this.readName = readName;
        this.writeName = writeName;
        this.typeData = typeData;
        this.codec = codec;
        this.cachedCodec = codec;
        this.propertySerialization = propertySerialization;
        this.useDiscriminator = useDiscriminator;
        this.propertyAccessor = propertyAccessor;
        this.error = error;
    }

    /**
     * Create a new {@link PropertyModelBuilder}
     * @param  the type of the property
     * @return the builder
     */
    public static  PropertyModelBuilder builder() {
        return new PropertyModelBuilder();
    }

    /**
     * @return the property name for the model
     */
    public String getName() {
        return name;
    }

    /**
     * @return the name of the property to use as the key when deserializing from BSON
     */
    public String getWriteName() {
        return writeName;
    }

    /**
     * @return the name of the property to use as the key when serializing into BSON
     */
    public String getReadName() {
        return readName;
    }

    /**
     * Property is writable.
     *
     * @return true if can be deserialized from BSON
     */
    public boolean isWritable() {
        return writeName != null;
    }

    /**
     * Property is readable.
     *
     * @return true if can be serialized to BSON
     */
    public boolean isReadable() {
        return readName != null;
    }

    /**
     * @return the type data for the property
     */
    public TypeData getTypeData() {
        return typeData;
    }

    /**
     * @return the custom codec to use if set or null
     */
    public Codec getCodec() {
        return codec;
    }

    /**
     * Returns true if the value should be serialized.
     *
     * @param value the value to check
     * @return true if the value should be serialized.
     */
    public boolean shouldSerialize(final T value) {
        return propertySerialization.shouldSerialize(value);
    }

    /**
     * @return the property accessor
     */
    public PropertyAccessor getPropertyAccessor() {
        return propertyAccessor;
    }

    /**
     * @return true or false if a discriminator should be used when serializing or null if not set
     */
    public Boolean useDiscriminator() {
        return useDiscriminator;
    }

    @Override
    public String toString() {
        return "PropertyModel{"
                + "propertyName='" + name + "'"
                + ", readName='" + readName + "'"
                + ", writeName='" + writeName + "'"
                + ", typeData=" + typeData
                + "}";
    }

    @Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        PropertyModel that = (PropertyModel) o;

        if (getName() != null ? !getName().equals(that.getName()) : that.getName() != null) {
            return false;
        }
        if (getReadName() != null ? !getReadName().equals(that.getReadName()) : that.getReadName() != null) {
            return false;
        }
        if (getWriteName() != null ? !getWriteName().equals(that.getWriteName()) : that.getWriteName() != null) {
            return false;
        }
        if (getTypeData() != null ? !getTypeData().equals(that.getTypeData()) : that.getTypeData() != null) {
            return false;
        }
        if (getCodec() != null ? !getCodec().equals(that.getCodec()) : that.getCodec() != null) {
            return false;
        }
        if (getPropertySerialization() != null ? !getPropertySerialization().equals(that.getPropertySerialization()) : that
                .getPropertySerialization() != null) {
            return false;
        }
        if (useDiscriminator != null ? !useDiscriminator.equals(that.useDiscriminator) : that.useDiscriminator != null) {
            return false;
        }
        if (getPropertyAccessor() != null ? !getPropertyAccessor().equals(that.getPropertyAccessor())
                : that.getPropertyAccessor() != null) {
            return false;
        }

        if (getError() != null ? !getError().equals(that.getError()) : that.getError() != null) {
            return false;
        }

        if (getCachedCodec() != null ? !getCachedCodec().equals(that.getCachedCodec()) : that.getCachedCodec() != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = getName() != null ? getName().hashCode() : 0;
        result = 31 * result + (getReadName() != null ? getReadName().hashCode() : 0);
        result = 31 * result + (getWriteName() != null ? getWriteName().hashCode() : 0);
        result = 31 * result + (getTypeData() != null ? getTypeData().hashCode() : 0);
        result = 31 * result + (getCodec() != null ? getCodec().hashCode() : 0);
        result = 31 * result + (getPropertySerialization() != null ? getPropertySerialization().hashCode() : 0);
        result = 31 * result + (useDiscriminator != null ? useDiscriminator.hashCode() : 0);
        result = 31 * result + (getPropertyAccessor() != null ? getPropertyAccessor().hashCode() : 0);
        result = 31 * result + (getError() != null ? getError().hashCode() : 0);
        result = 31 * result + (getCachedCodec() != null ? getCachedCodec().hashCode() : 0);
        return result;
    }

    boolean hasError() {
        return error != null;
    }

    String getError() {
        return error;
    }

    PropertySerialization getPropertySerialization() {
        return propertySerialization;
    }

    void cachedCodec(final Codec codec) {
        this.cachedCodec = codec;
    }

    Codec getCachedCodec() {
        return cachedCodec;
    }
}




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