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The java SDK for clickzetta's Lakehouse

There is a newer version: 2.0.0

package com.clickzetta.client;

import com.clickzetta.platform.client.api.Options;

import java.io.IOException;

public class RealtimeStreamBuilder {
    private ClickZettaClient client;
    private String schema;
    private String table;
    private Options options = Options.DEFAULT;
    private RowStream.RealTimeOperate operate = RowStream.RealTimeOperate.CDC;

    RealtimeStreamBuilder(ClickZettaClient client) {
        this.client = client;
    }

    public RealtimeStreamBuilder schema(String schema) {
        this.schema = schema;
        return this;
    }

    public RealtimeStreamBuilder table(String table) {
        this.table = table;
        return this;
    }

    public RealtimeStreamBuilder options(Options options) {
        this.options = options;
        return this;
    }

    public RealtimeStreamBuilder operate(RowStream.RealTimeOperate operate) {
        this.operate = operate;
        return this;
    }

    private void validate() {
        if (client == null) {
            throw new IllegalArgumentException("client is null");
        }
        if (schema == null || schema.isEmpty()) {
            if (client.getSchema() == null || client.getSchema().isEmpty()) {
                throw new IllegalArgumentException("schema is null or empty");
            } else {
                schema = client.getSchema();
            }
        }
        if (table == null || table.isEmpty()) {
            throw new IllegalArgumentException("table is null or empty");
        }
        if (options == null) {
            throw new IllegalArgumentException("options is null");
        }
        if (operate == null) {
            throw new IllegalArgumentException("operate is null");
        }
    }

    public RealtimeStream build() throws IOException {
        validate();
        return new RealtimeStream(client, operate, schema, table, options);
    }

}