io.nem.symbol.catapult.builders.EmbeddedAccountMetadataTransactionBuilder Maven / Gradle / Ivy

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/**
*** Copyright (c) 2016-present,
*** Jaguar0625, gimre, BloodyRookie, Tech Bureau, Corp. All rights reserved.
***
*** This file is part of Catapult.
***
*** Catapult is free software: you can redistribute it and/or modify
*** it under the terms of the GNU Lesser General Public License as published by
*** the Free Software Foundation, either version 3 of the License, or
*** (at your option) any later version.
***
*** Catapult is distributed in the hope that it will be useful,
*** but WITHOUT ANY WARRANTY; without even the implied warranty of
*** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*** GNU Lesser General Public License for more details.
***
*** You should have received a copy of the GNU Lesser General Public License
*** along with Catapult. If not, see .
**/

package io.nem.symbol.catapult.builders;

import java.io.DataInputStream;
import java.nio.ByteBuffer;
import java.util.EnumSet;
import java.util.List;

/**
* Binary layout for an embedded account metadata transaction
**/
public class EmbeddedAccountMetadataTransactionBuilder extends EmbeddedTransactionBuilder implements Serializer {

    /** Account metadata transaction body. **/
    private final AccountMetadataTransactionBodyBuilder accountMetadataTransactionBody;

    /**
     * Constructor - Creates an object from stream.
     *
     * @param stream Byte stream to use to serialize the object.
     */
    protected EmbeddedAccountMetadataTransactionBuilder(DataInputStream stream) {
        super(stream);
        try {
            this.accountMetadataTransactionBody = AccountMetadataTransactionBodyBuilder.loadFromBinary(stream);
        } catch (Exception e) {
            throw GeneratorUtils.getExceptionToPropagate(e);
        }
    }

    /**
     * Creates an instance of EmbeddedAccountMetadataTransactionBuilder from a stream.
     *
     * @param stream Byte stream to use to serialize the object.
     * @return Instance of EmbeddedAccountMetadataTransactionBuilder.
     */
    public static EmbeddedAccountMetadataTransactionBuilder loadFromBinary(DataInputStream stream) {
        return new EmbeddedAccountMetadataTransactionBuilder(stream);
    }
    
    /**
    * Constructor.
    *
    * @param signerPublicKey Entity signer's public key.
    * @param version Entity version.
    * @param network Entity network.
    * @param type Entity type.
    * @param targetAddress Metadata target address.
    * @param scopedMetadataKey Metadata key scoped to source, target and type.
    * @param valueSizeDelta Change in value size in bytes.
    * @param value Difference between existing value and new value \note when there is no existing value, new value is same this value \note when there is an existing value, new value is calculated as xor(previous-value, value).
    */
    protected EmbeddedAccountMetadataTransactionBuilder(KeyDto signerPublicKey, byte version, NetworkTypeDto network, EntityTypeDto type, UnresolvedAddressDto targetAddress, long scopedMetadataKey, short valueSizeDelta, ByteBuffer value) {
        super(signerPublicKey, version, network, type);
        GeneratorUtils.notNull(signerPublicKey, "signerPublicKey is null");
        GeneratorUtils.notNull(version, "version is null");
        GeneratorUtils.notNull(network, "network is null");
        GeneratorUtils.notNull(type, "type is null");
        GeneratorUtils.notNull(targetAddress, "targetAddress is null");
        GeneratorUtils.notNull(scopedMetadataKey, "scopedMetadataKey is null");
        GeneratorUtils.notNull(valueSizeDelta, "valueSizeDelta is null");
        GeneratorUtils.notNull(value, "value is null");
        this.accountMetadataTransactionBody = new AccountMetadataTransactionBodyBuilder(targetAddress, scopedMetadataKey, valueSizeDelta, value);
    }
    
    /**
     * Creates an instance of EmbeddedAccountMetadataTransactionBuilder.
     *
     * @param signerPublicKey Entity signer's public key.
     * @param version Entity version.
     * @param network Entity network.
     * @param type Entity type.
     * @param targetAddress Metadata target address.
     * @param scopedMetadataKey Metadata key scoped to source, target and type.
     * @param valueSizeDelta Change in value size in bytes.
     * @param value Difference between existing value and new value \note when there is no existing value, new value is same this value \note when there is an existing value, new value is calculated as xor(previous-value, value).
     * @return Instance of EmbeddedAccountMetadataTransactionBuilder.
     */
    public static EmbeddedAccountMetadataTransactionBuilder create(KeyDto signerPublicKey, byte version, NetworkTypeDto network, EntityTypeDto type, UnresolvedAddressDto targetAddress, long scopedMetadataKey, short valueSizeDelta, ByteBuffer value) {
        return new EmbeddedAccountMetadataTransactionBuilder(signerPublicKey, version, network, type, targetAddress, scopedMetadataKey, valueSizeDelta, value);
    }

    /**
     * Gets metadata target address.
     *
     * @return Metadata target address.
     */
    public UnresolvedAddressDto getTargetAddress() {
        return this.accountMetadataTransactionBody.getTargetAddress();
    }

    /**
     * Gets metadata key scoped to source, target and type.
     *
     * @return Metadata key scoped to source, target and type.
     */
    public long getScopedMetadataKey() {
        return this.accountMetadataTransactionBody.getScopedMetadataKey();
    }

    /**
     * Gets change in value size in bytes.
     *
     * @return Change in value size in bytes.
     */
    public short getValueSizeDelta() {
        return this.accountMetadataTransactionBody.getValueSizeDelta();
    }

    /**
     * Gets difference between existing value and new value \note when there is no existing value, new value is same this value \note when there is an existing value, new value is calculated as xor(previous-value, value).
     *
     * @return Difference between existing value and new value \note when there is no existing value, new value is same this value \note when there is an existing value, new value is calculated as xor(previous-value, value).
     */
    public ByteBuffer getValue() {
        return this.accountMetadataTransactionBody.getValue();
    }


    /**
     * Gets the size of the object.
     *
     * @return Size in bytes.
     */
    public int getSize() {
        int size = super.getSize();
        size += this.accountMetadataTransactionBody.getSize();
        return size;
    }

    /**
     * Gets the body builder of the object.
     *
     * @return Body builder.
     */
    @Override
    public AccountMetadataTransactionBodyBuilder getBody() {
        return this.accountMetadataTransactionBody;
    }


    /**
     * Serializes an object to bytes.
     *
     * @return Serialized bytes.
     */
    public byte[] serialize() {
        return GeneratorUtils.serialize((dataOutputStream) -> {
            final byte[] superBytes = super.serialize();
            dataOutputStream.write(superBytes, 0, superBytes.length);
            GeneratorUtils.writeEntity(dataOutputStream, this.accountMetadataTransactionBody);
        });
    }
}